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-rw-r--r--arch/arc/Kconfig5
-rw-r--r--arch/arc/include/asm/cacheflush.h43
-rw-r--r--arch/arc/include/asm/entry-arcv2.h32
-rw-r--r--arch/arc/include/asm/entry-compact.h87
-rw-r--r--arch/arc/include/asm/entry.h110
-rw-r--r--arch/arc/include/asm/hugepage.h7
-rw-r--r--arch/arc/include/asm/ptrace.h14
-rw-r--r--arch/arc/kernel/setup.c4
-rw-r--r--arch/arc/kernel/signal.c6
-rw-r--r--arch/arc/mm/cache.c136
-rw-r--r--arch/arc/mm/mmap.c21
-rw-r--r--arch/arc/mm/tlb.c16
-rw-r--r--arch/arm/boot/dts/ti/omap/am33xx.dtsi1
-rw-r--r--arch/arm/boot/dts/ti/omap/dra7.dtsi2
-rw-r--r--arch/arm/mach-omap2/id.c5
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi3
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts3
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts2
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts1
-rw-r--r--arch/arm64/include/asm/pgtable.h6
-rw-r--r--arch/arm64/include/asm/syscall_wrapper.h4
-rw-r--r--arch/loongarch/include/asm/efi.h2
-rw-r--r--arch/loongarch/kernel/Makefile2
-rw-r--r--arch/m68k/include/asm/kexec.h4
-rw-r--r--arch/m68k/kernel/Makefile2
-rw-r--r--arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi3
-rw-r--r--arch/mips/boot/dts/loongson/ls7a-pch.dtsi3
-rw-r--r--arch/mips/cavium-octeon/smp.c4
-rw-r--r--arch/mips/include/asm/kexec.h2
-rw-r--r--arch/mips/include/asm/smp-ops.h2
-rw-r--r--arch/mips/include/asm/smp.h2
-rw-r--r--arch/mips/kernel/Makefile2
-rw-r--r--arch/mips/kernel/smp-bmips.c4
-rw-r--r--arch/mips/kernel/smp-cps.c10
-rw-r--r--arch/mips/loongson64/reset.c4
-rw-r--r--arch/mips/loongson64/smp.c2
-rw-r--r--arch/powerpc/configs/skiroot_defconfig1
-rw-r--r--arch/powerpc/platforms/pseries/vas.c51
-rw-r--r--arch/powerpc/platforms/pseries/vas.h2
-rw-r--r--arch/riscv/Kconfig4
-rw-r--r--arch/riscv/include/asm/pgtable.h2
-rw-r--r--arch/riscv/include/asm/syscall_wrapper.h5
-rw-r--r--arch/riscv/kernel/crash_core.c4
-rw-r--r--arch/s390/configs/debug_defconfig10
-rw-r--r--arch/s390/configs/defconfig9
-rw-r--r--arch/s390/configs/zfcpdump_defconfig3
-rw-r--r--arch/s390/include/asm/fpu/api.h2
-rw-r--r--arch/s390/include/asm/syscall_wrapper.h13
-rw-r--r--arch/sh/include/asm/kexec.h4
-rw-r--r--arch/sh/kernel/Makefile2
-rw-r--r--arch/sh/kernel/reboot.c4
-rw-r--r--arch/sh/kernel/setup.c2
-rw-r--r--arch/x86/boot/compressed/acpi.c2
-rw-r--r--arch/x86/include/asm/syscall_wrapper.h34
-rw-r--r--arch/x86/xen/Kconfig1
55 files changed, 274 insertions, 437 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 3162db540ee9..1b0483c51cc1 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -49,7 +49,6 @@ config ARC
select OF
select OF_EARLY_FLATTREE
select PCI_SYSCALL if PCI
- select PERF_USE_VMALLOC if ARC_CACHE_VIPT_ALIASING
select HAVE_ARCH_JUMP_LABEL if ISA_ARCV2 && !CPU_ENDIAN_BE32
select TRACE_IRQFLAGS_SUPPORT
@@ -232,10 +231,6 @@ config ARC_CACHE_PAGES
Note that Global I/D ENABLE + Per Page DISABLE works but corollary
Global DISABLE + Per Page ENABLE won't work
-config ARC_CACHE_VIPT_ALIASING
- bool "Support VIPT Aliasing D$"
- depends on ARC_HAS_DCACHE && ISA_ARCOMPACT
-
endif #ARC_CACHE
config ARC_HAS_ICCM
diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h
index bd5b1a9a0544..563af3e75f01 100644
--- a/arch/arc/include/asm/cacheflush.h
+++ b/arch/arc/include/asm/cacheflush.h
@@ -44,31 +44,10 @@ void dma_cache_wback(phys_addr_t start, unsigned long sz);
#define flush_cache_dup_mm(mm) /* called on fork (VIVT only) */
-#ifndef CONFIG_ARC_CACHE_VIPT_ALIASING
-
#define flush_cache_mm(mm) /* called on munmap/exit */
#define flush_cache_range(mm, u_vstart, u_vend)
#define flush_cache_page(vma, u_vaddr, pfn) /* PF handling/COW-break */
-#else /* VIPT aliasing dcache */
-
-/* To clear out stale userspace mappings */
-void flush_cache_mm(struct mm_struct *mm);
-void flush_cache_range(struct vm_area_struct *vma,
- unsigned long start,unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma,
- unsigned long user_addr, unsigned long page);
-
-/*
- * To make sure that userspace mapping is flushed to memory before
- * get_user_pages() uses a kernel mapping to access the page
- */
-#define ARCH_HAS_FLUSH_ANON_PAGE
-void flush_anon_page(struct vm_area_struct *vma,
- struct page *page, unsigned long u_vaddr);
-
-#endif /* CONFIG_ARC_CACHE_VIPT_ALIASING */
-
/*
* A new pagecache page has PG_arch_1 clear - thus dcache dirty by default
* This works around some PIO based drivers which don't call flush_dcache_page
@@ -76,28 +55,6 @@ void flush_anon_page(struct vm_area_struct *vma,
*/
#define PG_dc_clean PG_arch_1
-#define CACHE_COLORS_NUM 4
-#define CACHE_COLORS_MSK (CACHE_COLORS_NUM - 1)
-#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & CACHE_COLORS_MSK)
-
-/*
- * Simple wrapper over config option
- * Bootup code ensures that hardware matches kernel configuration
- */
-static inline int cache_is_vipt_aliasing(void)
-{
- return IS_ENABLED(CONFIG_ARC_CACHE_VIPT_ALIASING);
-}
-
-/*
- * checks if two addresses (after page aligning) index into same cache set
- */
-#define addr_not_cache_congruent(addr1, addr2) \
-({ \
- cache_is_vipt_aliasing() ? \
- (CACHE_COLOR(addr1) != CACHE_COLOR(addr2)) : 0; \
-})
-
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index 4d13320e0c1b..3802a2daaf86 100644
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -291,4 +291,36 @@
/* M = 8-1 N = 8 */
.endm
+.macro SAVE_ABI_CALLEE_REGS
+ push r13
+ push r14
+ push r15
+ push r16
+ push r17
+ push r18
+ push r19
+ push r20
+ push r21
+ push r22
+ push r23
+ push r24
+ push r25
+.endm
+
+.macro RESTORE_ABI_CALLEE_REGS
+ pop r25
+ pop r24
+ pop r23
+ pop r22
+ pop r21
+ pop r20
+ pop r19
+ pop r18
+ pop r17
+ pop r16
+ pop r15
+ pop r14
+ pop r13
+.endm
+
#endif
diff --git a/arch/arc/include/asm/entry-compact.h b/arch/arc/include/asm/entry-compact.h
index a0e760eb35a8..92c3e9f13252 100644
--- a/arch/arc/include/asm/entry-compact.h
+++ b/arch/arc/include/asm/entry-compact.h
@@ -33,6 +33,91 @@
#include <asm/irqflags-compact.h>
#include <asm/thread_info.h> /* For THREAD_SIZE */
+/* Note on the LD/ST addr modes with addr reg wback
+ *
+ * LD.a same as LD.aw
+ *
+ * LD.a reg1, [reg2, x] => Pre Incr
+ * Eff Addr for load = [reg2 + x]
+ *
+ * LD.ab reg1, [reg2, x] => Post Incr
+ * Eff Addr for load = [reg2]
+ */
+
+.macro PUSHAX aux
+ lr r9, [\aux]
+ push r9
+.endm
+
+.macro POPAX aux
+ pop r9
+ sr r9, [\aux]
+.endm
+
+.macro SAVE_R0_TO_R12
+ push r0
+ push r1
+ push r2
+ push r3
+ push r4
+ push r5
+ push r6
+ push r7
+ push r8
+ push r9
+ push r10
+ push r11
+ push r12
+.endm
+
+.macro RESTORE_R12_TO_R0
+ pop r12
+ pop r11
+ pop r10
+ pop r9
+ pop r8
+ pop r7
+ pop r6
+ pop r5
+ pop r4
+ pop r3
+ pop r2
+ pop r1
+ pop r0
+.endm
+
+.macro SAVE_ABI_CALLEE_REGS
+ push r13
+ push r14
+ push r15
+ push r16
+ push r17
+ push r18
+ push r19
+ push r20
+ push r21
+ push r22
+ push r23
+ push r24
+ push r25
+.endm
+
+.macro RESTORE_ABI_CALLEE_REGS
+ pop r25
+ pop r24
+ pop r23
+ pop r22
+ pop r21
+ pop r20
+ pop r19
+ pop r18
+ pop r17
+ pop r16
+ pop r15
+ pop r14
+ pop r13
+.endm
+
/*--------------------------------------------------------------
* Switch to Kernel Mode stack if SP points to User Mode stack
*
@@ -235,7 +320,7 @@
SWITCH_TO_KERNEL_STK
- PUSH 0x003\LVL\()abcd /* Dummy ECR */
+ st.a 0x003\LVL\()abcd, [sp, -4] /* Dummy ECR */
sub sp, sp, 8 /* skip orig_r0 (not needed)
skip pt_regs->sp, already saved above */
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h
index 49c2e090cb5c..cf1ba376e992 100644
--- a/arch/arc/include/asm/entry.h
+++ b/arch/arc/include/asm/entry.h
@@ -21,114 +21,12 @@
#include <asm/entry-arcv2.h>
#endif
-/* Note on the LD/ST addr modes with addr reg wback
- *
- * LD.a same as LD.aw
- *
- * LD.a reg1, [reg2, x] => Pre Incr
- * Eff Addr for load = [reg2 + x]
- *
- * LD.ab reg1, [reg2, x] => Post Incr
- * Eff Addr for load = [reg2]
- */
-
-.macro PUSH reg
- st.a \reg, [sp, -4]
-.endm
-
-.macro PUSHAX aux
- lr r9, [\aux]
- PUSH r9
-.endm
-
-.macro POP reg
- ld.ab \reg, [sp, 4]
-.endm
-
-.macro POPAX aux
- POP r9
- sr r9, [\aux]
-.endm
-
-/*--------------------------------------------------------------
- * Helpers to save/restore Scratch Regs:
- * used by Interrupt/Exception Prologue/Epilogue
- *-------------------------------------------------------------*/
-.macro SAVE_R0_TO_R12
- PUSH r0
- PUSH r1
- PUSH r2
- PUSH r3
- PUSH r4
- PUSH r5
- PUSH r6
- PUSH r7
- PUSH r8
- PUSH r9
- PUSH r10
- PUSH r11
- PUSH r12
-.endm
-
-.macro RESTORE_R12_TO_R0
- POP r12
- POP r11
- POP r10
- POP r9
- POP r8
- POP r7
- POP r6
- POP r5
- POP r4
- POP r3
- POP r2
- POP r1
- POP r0
-
-.endm
-
-/*--------------------------------------------------------------
- * Helpers to save/restore callee-saved regs:
- * used by several macros below
- *-------------------------------------------------------------*/
-.macro SAVE_R13_TO_R25
- PUSH r13
- PUSH r14
- PUSH r15
- PUSH r16
- PUSH r17
- PUSH r18
- PUSH r19
- PUSH r20
- PUSH r21
- PUSH r22
- PUSH r23
- PUSH r24
- PUSH r25
-.endm
-
-.macro RESTORE_R25_TO_R13
- POP r25
- POP r24
- POP r23
- POP r22
- POP r21
- POP r20
- POP r19
- POP r18
- POP r17
- POP r16
- POP r15
- POP r14
- POP r13
-.endm
-
/*
* save user mode callee regs as struct callee_regs
* - needed by fork/do_signal/unaligned-access-emulation.
*/
.macro SAVE_CALLEE_SAVED_USER
- SAVE_R13_TO_R25
+ SAVE_ABI_CALLEE_REGS
.endm
/*
@@ -136,18 +34,18 @@
* - could have been changed by ptrace tracer or unaligned-access fixup
*/
.macro RESTORE_CALLEE_SAVED_USER
- RESTORE_R25_TO_R13
+ RESTORE_ABI_CALLEE_REGS
.endm
/*
* save/restore kernel mode callee regs at the time of context switch
*/
.macro SAVE_CALLEE_SAVED_KERNEL
- SAVE_R13_TO_R25
+ SAVE_ABI_CALLEE_REGS
.endm
.macro RESTORE_CALLEE_SAVED_KERNEL
- RESTORE_R25_TO_R13
+ RESTORE_ABI_CALLEE_REGS
.endm
/*--------------------------------------------------------------
diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
index ef8d4166370c..8a2441670a8f 100644
--- a/arch/arc/include/asm/hugepage.h
+++ b/arch/arc/include/asm/hugepage.h
@@ -10,6 +10,13 @@
#include <linux/types.h>
#include <asm-generic/pgtable-nopmd.h>
+/*
+ * Hugetlb definitions.
+ */
+#define HPAGE_SHIFT PMD_SHIFT
+#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT)
+#define HPAGE_MASK (~(HPAGE_SIZE - 1))
+
static inline pte_t pmd_pte(pmd_t pmd)
{
return __pte(pmd_val(pmd));
diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
index 4a2b30fb5a98..00b9318e551e 100644
--- a/arch/arc/include/asm/ptrace.h
+++ b/arch/arc/include/asm/ptrace.h
@@ -54,6 +54,10 @@ struct pt_regs {
ecr_reg ecr;
};
+struct callee_regs {
+ unsigned long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13;
+};
+
#define MAX_REG_OFFSET offsetof(struct pt_regs, ecr)
#else
@@ -92,16 +96,14 @@ struct pt_regs {
unsigned long status32;
};
-#define MAX_REG_OFFSET offsetof(struct pt_regs, status32)
-
-#endif
-
-/* Callee saved registers - need to be saved only when you are scheduled out */
-
struct callee_regs {
unsigned long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13;
};
+#define MAX_REG_OFFSET offsetof(struct pt_regs, status32)
+
+#endif
+
#define instruction_pointer(regs) ((regs)->ret)
#define profile_pc(regs) instruction_pointer(regs)
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 4dcf8589b708..d08a5092c2b4 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -153,7 +153,7 @@ static int arcv2_mumbojumbo(int c, struct cpuinfo_arc *info, char *buf, int len)
{
int n = 0;
#ifdef CONFIG_ISA_ARCV2
- const char *release, *cpu_nm, *isa_nm = "ARCv2";
+ const char *release = "", *cpu_nm = "HS38", *isa_nm = "ARCv2";
int dual_issue = 0, dual_enb = 0, mpy_opt, present;
int bpu_full, bpu_cache, bpu_pred, bpu_ret_stk;
char mpy_nm[16], lpb_nm[32];
@@ -172,8 +172,6 @@ static int arcv2_mumbojumbo(int c, struct cpuinfo_arc *info, char *buf, int len)
* releases only update it.
*/
- cpu_nm = "HS38";
-
if (info->arcver > 0x50 && info->arcver <= 0x53) {
release = arc_hs_rel[info->arcver - 0x51].str;
} else {
diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index 0b3bb529d246..8f6f4a542964 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -62,7 +62,7 @@ struct rt_sigframe {
unsigned int sigret_magic;
};
-static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
+static int save_arcv2_regs(struct sigcontext __user *mctx, struct pt_regs *regs)
{
int err = 0;
#ifndef CONFIG_ISA_ARCOMPACT
@@ -75,12 +75,12 @@ static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
#else
v2abi.r58 = v2abi.r59 = 0;
#endif
- err = __copy_to_user(&mctx->v2abi, &v2abi, sizeof(v2abi));
+ err = __copy_to_user(&mctx->v2abi, (void const *)&v2abi, sizeof(v2abi));
#endif
return err;
}
-static int restore_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
+static int restore_arcv2_regs(struct sigcontext __user *mctx, struct pt_regs *regs)
{
int err = 0;
#ifndef CONFIG_ISA_ARCOMPACT
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index f7e05c146637..9106ceac323c 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -145,10 +145,9 @@ dc_chk:
p_dc->sz_k = 1 << (dbcr.sz - 1);
n += scnprintf(buf + n, len - n,
- "D-Cache\t\t: %uK, %dway/set, %uB Line, %s%s%s\n",
+ "D-Cache\t\t: %uK, %dway/set, %uB Line, %s%s\n",
p_dc->sz_k, assoc, p_dc->line_len,
vipt ? "VIPT" : "PIPT",
- p_dc->colors > 1 ? " aliasing" : "",
IS_USED_CFG(CONFIG_ARC_HAS_DCACHE));
slc_chk:
@@ -703,51 +702,10 @@ static inline void arc_slc_enable(void)
* Exported APIs
*/
-/*
- * Handle cache congruency of kernel and userspace mappings of page when kernel
- * writes-to/reads-from
- *
- * The idea is to defer flushing of kernel mapping after a WRITE, possible if:
- * -dcache is NOT aliasing, hence any U/K-mappings of page are congruent
- * -U-mapping doesn't exist yet for page (finalised in update_mmu_cache)
- * -In SMP, if hardware caches are coherent
- *
- * There's a corollary case, where kernel READs from a userspace mapped page.
- * If the U-mapping is not congruent to K-mapping, former needs flushing.
- */
void flush_dcache_folio(struct folio *folio)
{
- struct address_space *mapping;
-
- if (!cache_is_vipt_aliasing()) {
- clear_bit(PG_dc_clean, &folio->flags);
- return;
- }
-
- /* don't handle anon pages here */
- mapping = folio_flush_mapping(folio);
- if (!mapping)
- return;
-
- /*
- * pagecache page, file not yet mapped to userspace
- * Make a note that K-mapping is dirty
- */
- if (!mapping_mapped(mapping)) {
- clear_bit(PG_dc_clean, &folio->flags);
- } else if (folio_mapped(folio)) {
- /* kernel reading from page with U-mapping */
- phys_addr_t paddr = (unsigned long)folio_address(folio);
- unsigned long vaddr = folio_pos(folio);
-
- /*
- * vaddr is not actually the virtual address, but is
- * congruent to every user mapping.
- */
- if (addr_not_cache_congruent(paddr, vaddr))
- __flush_dcache_pages(paddr, vaddr,
- folio_nr_pages(folio));
- }
+ clear_bit(PG_dc_clean, &folio->flags);
+ return;
}
EXPORT_SYMBOL(flush_dcache_folio);
@@ -921,44 +879,6 @@ noinline void flush_cache_all(void)
}
-#ifdef CONFIG_ARC_CACHE_VIPT_ALIASING
-
-void flush_cache_mm(struct mm_struct *mm)
-{
- flush_cache_all();
-}
-
-void flush_cache_page(struct vm_area_struct *vma, unsigned long u_vaddr,
- unsigned long pfn)
-{
- phys_addr_t paddr = pfn << PAGE_SHIFT;
-
- u_vaddr &= PAGE_MASK;
-
- __flush_dcache_pages(paddr, u_vaddr, 1);
-
- if (vma->vm_flags & VM_EXEC)
- __inv_icache_pages(paddr, u_vaddr, 1);
-}
-
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
-{
- flush_cache_all();
-}
-
-void flush_anon_page(struct vm_area_struct *vma, struct page *page,
- unsigned long u_vaddr)
-{
- /* TBD: do we really need to clear the kernel mapping */
- __flush_dcache_pages((phys_addr_t)page_address(page), u_vaddr, 1);
- __flush_dcache_pages((phys_addr_t)page_address(page),
- (phys_addr_t)page_address(page), 1);
-
-}
-
-#endif
-
void copy_user_highpage(struct page *to, struct page *from,
unsigned long u_vaddr, struct vm_area_struct *vma)
{
@@ -966,46 +886,11 @@ void copy_user_highpage(struct page *to, struct page *from,
struct folio *dst = page_folio(to);
void *kfrom = kmap_atomic(from);
void *kto = kmap_atomic(to);
- int clean_src_k_mappings = 0;
-
- /*
- * If SRC page was already mapped in userspace AND it's U-mapping is
- * not congruent with K-mapping, sync former to physical page so that
- * K-mapping in memcpy below, sees the right data
- *
- * Note that while @u_vaddr refers to DST page's userspace vaddr, it is
- * equally valid for SRC page as well
- *
- * For !VIPT cache, all of this gets compiled out as
- * addr_not_cache_congruent() is 0
- */
- if (page_mapcount(from) && addr_not_cache_congruent(kfrom, u_vaddr)) {
- __flush_dcache_pages((unsigned long)kfrom, u_vaddr, 1);
- clean_src_k_mappings = 1;
- }
copy_page(kto, kfrom);
- /*
- * Mark DST page K-mapping as dirty for a later finalization by
- * update_mmu_cache(). Although the finalization could have been done
- * here as well (given that both vaddr/paddr are available).
- * But update_mmu_cache() already has code to do that for other
- * non copied user pages (e.g. read faults which wire in pagecache page
- * directly).
- */
clear_bit(PG_dc_clean, &dst->flags);
-
- /*
- * if SRC was already usermapped and non-congruent to kernel mapping
- * sync the kernel mapping back to physical page
- */
- if (clean_src_k_mappings) {
- __flush_dcache_pages((unsigned long)kfrom,
- (unsigned long)kfrom, 1);
- } else {
- clear_bit(PG_dc_clean, &src->flags);
- }
+ clear_bit(PG_dc_clean, &src->flags);
kunmap_atomic(kto);
kunmap_atomic(kfrom);
@@ -1140,17 +1025,8 @@ static noinline void __init arc_cache_init_master(void)
dc->line_len, L1_CACHE_BYTES);
/* check for D-Cache aliasing on ARCompact: ARCv2 has PIPT */
- if (is_isa_arcompact()) {
- int handled = IS_ENABLED(CONFIG_ARC_CACHE_VIPT_ALIASING);
-
- if (dc->colors > 1) {
- if (!handled)
- panic("Enable CONFIG_ARC_CACHE_VIPT_ALIASING\n");
- if (CACHE_COLORS_NUM != dc->colors)
- panic("CACHE_COLORS_NUM not optimized for config\n");
- } else if (handled && dc->colors == 1) {
- panic("Disable CONFIG_ARC_CACHE_VIPT_ALIASING\n");
- }
+ if (is_isa_arcompact() && dc->colors > 1) {
+ panic("Aliasing VIPT cache not supported\n");
}
}
diff --git a/arch/arc/mm/mmap.c b/arch/arc/mm/mmap.c
index fce5fa2b4f52..3c1c7ae73292 100644
--- a/arch/arc/mm/mmap.c
+++ b/arch/arc/mm/mmap.c
@@ -14,10 +14,6 @@
#include <asm/cacheflush.h>
-#define COLOUR_ALIGN(addr, pgoff) \
- ((((addr) + SHMLBA - 1) & ~(SHMLBA - 1)) + \
- (((pgoff) << PAGE_SHIFT) & (SHMLBA - 1)))
-
/*
* Ensure that shared mappings are correctly aligned to
* avoid aliasing issues with VIPT caches.
@@ -31,21 +27,13 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
- int do_align = 0;
- int aliasing = cache_is_vipt_aliasing();
struct vm_unmapped_area_info info;
/*
- * We only need to do colour alignment if D cache aliases.
- */
- if (aliasing)
- do_align = filp || (flags & MAP_SHARED);
-
- /*
* We enforce the MAP_FIXED case.
*/
if (flags & MAP_FIXED) {
- if (aliasing && flags & MAP_SHARED &&
+ if (flags & MAP_SHARED &&
(addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))
return -EINVAL;
return addr;
@@ -55,10 +43,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
return -ENOMEM;
if (addr) {
- if (do_align)
- addr = COLOUR_ALIGN(addr, pgoff);
- else
- addr = PAGE_ALIGN(addr);
+ addr = PAGE_ALIGN(addr);
vma = find_vma(mm, addr);
if (TASK_SIZE - len >= addr &&
@@ -70,7 +55,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
info.length = len;
info.low_limit = mm->mmap_base;
info.high_limit = TASK_SIZE;
- info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
+ info.align_mask = 0;
info.align_offset = pgoff << PAGE_SHIFT;
return vm_unmapped_area(&info);
}
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index e536b2dcd4b0..ad702b49aeb3 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -478,21 +478,15 @@ void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma,
create_tlb(vma, vaddr, ptep);
- if (page == ZERO_PAGE(0)) {
+ if (page == ZERO_PAGE(0))
return;
- }
/*
- * Exec page : Independent of aliasing/page-color considerations,
- * since icache doesn't snoop dcache on ARC, any dirty
- * K-mapping of a code page needs to be wback+inv so that
- * icache fetch by userspace sees code correctly.
- * !EXEC page: If K-mapping is NOT congruent to U-mapping, flush it
- * so userspace sees the right data.
- * (Avoids the flush for Non-exec + congruent mapping case)
+ * For executable pages, since icache doesn't snoop dcache, any
+ * dirty K-mapping of a code page needs to be wback+inv so that
+ * icache fetch by userspace sees code correctly.
*/
- if ((vma->vm_flags & VM_EXEC) ||
- addr_not_cache_congruent(paddr, vaddr)) {
+ if (vma->vm_flags & VM_EXEC) {
struct folio *folio = page_folio(page);
int dirty = !test_and_set_bit(PG_dc_clean, &folio->flags);
if (dirty) {
diff --git a/arch/arm/boot/dts/ti/omap/am33xx.dtsi b/arch/arm/boot/dts/ti/omap/am33xx.dtsi
index 1a2cd5baf402..5b9e01a8aa5d 100644
--- a/arch/arm/boot/dts/ti/omap/am33xx.dtsi
+++ b/arch/arm/boot/dts/ti/omap/am33xx.dtsi
@@ -359,6 +359,7 @@
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
+ ti,sysc-delay-us = <2>;
clocks = <&l3s_clkctrl AM3_L3S_USB_OTG_HS_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/ti/omap/dra7.dtsi b/arch/arm/boot/dts/ti/omap/dra7.dtsi
index 3f3e52e3b375..6509c742fb58 100644
--- a/arch/arm/boot/dts/ti/omap/dra7.dtsi
+++ b/arch/arm/boot/dts/ti/omap/dra7.dtsi
@@ -147,7 +147,7 @@
l3-noc@44000000 {
compatible = "ti,dra7-l3-noc";
- reg = <0x44000000 0x1000>,
+ reg = <0x44000000 0x1000000>,
<0x45000000 0x1000>;
interrupts-extended = <&crossbar_mpu GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
<&wakeupgen GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 98999aa8cc0c..7f387706368a 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -793,11 +793,16 @@ void __init omap_soc_device_init(void)
soc_dev_attr->machine = soc_name;
soc_dev_attr->family = omap_get_family();
+ if (!soc_dev_attr->family) {
+ kfree(soc_dev_attr);
+ return;
+ }
soc_dev_attr->revision = soc_rev;
soc_dev_attr->custom_attr_group = omap_soc_groups[0];
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr->family);
kfree(soc_dev_attr);
return;
}
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
index 15290e6892fc..fc7315b94406 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
@@ -68,10 +68,7 @@
&emac0 {
pinctrl-names = "default";
pinctrl-0 = <&ext_rgmii_pins>;
- phy-mode = "rgmii";
phy-handle = <&ext_rgmii_phy>;
- allwinner,rx-delay-ps = <3100>;
- allwinner,tx-delay-ps = <700>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
index d83852e72f06..b5d713926a34 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
@@ -13,6 +13,9 @@
};
&emac0 {
+ allwinner,rx-delay-ps = <3100>;
+ allwinner,tx-delay-ps = <700>;
+ phy-mode = "rgmii";
phy-supply = <&reg_dcdce>;
};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts
index 00fe28caac93..b3b1b8692125 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts
@@ -13,6 +13,8 @@
};
&emac0 {
+ allwinner,tx-delay-ps = <700>;
+ phy-mode = "rgmii-rxid";
phy-supply = <&reg_dldo1>;
};
diff --git a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
index 70b465f7c6a7..00ac59a873e8 100644
--- a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
@@ -238,6 +238,7 @@
mt6360: pmic@34 {
compatible = "mediatek,mt6360";
reg = <0x34>;
+ interrupt-parent = <&pio>;
interrupts = <128 IRQ_TYPE_EDGE_FALLING>;
interrupt-names = "IRQB";
interrupt-controller;
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index b19a8aee684c..79ce70fbb751 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -834,6 +834,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
pte = set_pte_bit(pte, __pgprot(PTE_DIRTY));
pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
+ /*
+ * If we end up clearing hw dirtiness for a sw-dirty PTE, set hardware
+ * dirtiness again.
+ */
+ if (pte_sw_dirty(pte))
+ pte = pte_mkdirty(pte);
return pte;
}
diff --git a/arch/arm64/include/asm/syscall_wrapper.h b/arch/arm64/include/asm/syscall_wrapper.h
index d977713ec0ba..abb57bc54305 100644
--- a/arch/arm64/include/asm/syscall_wrapper.h
+++ b/arch/arm64/include/asm/syscall_wrapper.h
@@ -44,9 +44,6 @@
return sys_ni_syscall(); \
}
-#define COMPAT_SYS_NI(name) \
- SYSCALL_ALIAS(__arm64_compat_sys_##name, sys_ni_posix_timers);
-
#endif /* CONFIG_COMPAT */
#define __SYSCALL_DEFINEx(x, name, ...) \
@@ -81,6 +78,5 @@
}
asmlinkage long __arm64_sys_ni_syscall(const struct pt_regs *__unused);
-#define SYS_NI(name) SYSCALL_ALIAS(__arm64_sys_##name, sys_ni_posix_timers);
#endif /* __ASM_SYSCALL_WRAPPER_H */
diff --git a/arch/loongarch/include/asm/efi.h b/arch/loongarch/include/asm/efi.h
index 091897d40b03..91d81f9730ab 100644
--- a/arch/loongarch/include/asm/efi.h
+++ b/arch/loongarch/include/asm/efi.h
@@ -32,6 +32,6 @@ static inline unsigned long efi_get_kimg_min_align(void)
#define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS)
-unsigned long kernel_entry_address(void);
+unsigned long kernel_entry_address(unsigned long kernel_addr);
#endif /* _ASM_LOONGARCH_EFI_H */
diff --git a/arch/loongarch/kernel/Makefile b/arch/loongarch/kernel/Makefile
index 4fcc168f0732..3c808c680370 100644
--- a/arch/loongarch/kernel/Makefile
+++ b/arch/loongarch/kernel/Makefile
@@ -57,7 +57,7 @@ obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
obj-$(CONFIG_RELOCATABLE) += relocate.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_UNWINDER_GUESS) += unwind_guess.o
diff --git a/arch/m68k/include/asm/kexec.h b/arch/m68k/include/asm/kexec.h
index f5a8b2defa4b..3b0b64f0a353 100644
--- a/arch/m68k/include/asm/kexec.h
+++ b/arch/m68k/include/asm/kexec.h
@@ -2,7 +2,7 @@
#ifndef _ASM_M68K_KEXEC_H
#define _ASM_M68K_KEXEC_H
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
/* Maximum physical address we can use pages from */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
@@ -25,6 +25,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_KEXEC_CORE */
#endif /* _ASM_M68K_KEXEC_H */
diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index 01fb69a5095f..f335bf3268a1 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_PCI) += pcibios.o
obj-$(CONFIG_M68K_NONCOHERENT_DMA) += dma.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o
obj-$(CONFIG_BOOTINFO_PROC) += bootinfo_proc.o
obj-$(CONFIG_UBOOT) += uboot.o
diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
index f878f47e4501..ee3e2153dd13 100644
--- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
+++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
@@ -130,8 +130,7 @@
compatible = "pci0014,7a03.0",
"pci0014,7a03",
"pciclass0c0320",
- "pciclass0c03",
- "loongson, pci-gmac";
+ "pciclass0c03";
reg = <0x1800 0x0 0x0 0x0 0x0>;
interrupts = <12 IRQ_TYPE_LEVEL_LOW>,
diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
index 7c69e8245c2f..cce9428afc41 100644
--- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
@@ -193,8 +193,7 @@
compatible = "pci0014,7a03.0",
"pci0014,7a03",
"pciclass020000",
- "pciclass0200",
- "loongson, pci-gmac";
+ "pciclass0200";
reg = <0x1800 0x0 0x0 0x0 0x0>;
interrupts = <12 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 33c09688210f..08ea2cde1eb5 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -422,7 +422,7 @@ static const struct plat_smp_ops octeon_smp_ops = {
.cpu_disable = octeon_cpu_disable,
.cpu_die = octeon_cpu_die,
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.kexec_nonboot_cpu = kexec_nonboot_cpu_jump,
#endif
};
@@ -502,7 +502,7 @@ static const struct plat_smp_ops octeon_78xx_smp_ops = {
.cpu_disable = octeon_cpu_disable,
.cpu_die = octeon_cpu_die,
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.kexec_nonboot_cpu = kexec_nonboot_cpu_jump,
#endif
};
diff --git a/arch/mips/include/asm/kexec.h b/arch/mips/include/asm/kexec.h
index d6d5fa5cc31d..69e579e41e66 100644
--- a/arch/mips/include/asm/kexec.h
+++ b/arch/mips/include/asm/kexec.h
@@ -31,7 +31,7 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
prepare_frametrace(newregs);
}
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
struct kimage;
extern unsigned long kexec_args[4];
extern int (*_machine_kexec_prepare)(struct kimage *);
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h
index 5719ff49eff1..0c59e168f800 100644
--- a/arch/mips/include/asm/smp-ops.h
+++ b/arch/mips/include/asm/smp-ops.h
@@ -35,7 +35,7 @@ struct plat_smp_ops {
void (*cpu_die)(unsigned int cpu);
void (*cleanup_dead_cpu)(unsigned cpu);
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
void (*kexec_nonboot_cpu)(void);
#endif
};
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h
index a40d8c0e4b87..901bc61fa7ae 100644
--- a/arch/mips/include/asm/smp.h
+++ b/arch/mips/include/asm/smp.h
@@ -93,7 +93,7 @@ static inline void __cpu_die(unsigned int cpu)
extern void __noreturn play_dead(void);
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
static inline void kexec_nonboot_cpu(void)
{
extern const struct plat_smp_ops *mp_ops; /* private */
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 853a43ee4b44..ecf3278a32f7 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -90,7 +90,7 @@ obj-$(CONFIG_GPIO_TXX9) += gpio_txx9.o
obj-$(CONFIG_RELOCATABLE) += relocate.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
+obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_EARLY_PRINTK_8250) += early_printk_8250.o
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index c074ecce3fbf..b3dbf9ecb0d6 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -434,7 +434,7 @@ const struct plat_smp_ops bmips43xx_smp_ops = {
.cpu_disable = bmips_cpu_disable,
.cpu_die = bmips_cpu_die,
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.kexec_nonboot_cpu = kexec_nonboot_cpu_jump,
#endif
};
@@ -451,7 +451,7 @@ const struct plat_smp_ops bmips5000_smp_ops = {
.cpu_disable = bmips_cpu_disable,
.cpu_die = bmips_cpu_die,
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.kexec_nonboot_cpu = kexec_nonboot_cpu_jump,
#endif
};
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index dd55d59b88db..f6c37d407f36 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -392,7 +392,7 @@ static void cps_smp_finish(void)
local_irq_enable();
}
-#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC)
+#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC_CORE)
enum cpu_death {
CPU_DEATH_HALT,
@@ -429,7 +429,7 @@ static void cps_shutdown_this_cpu(enum cpu_death death)
}
}
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
static void cps_kexec_nonboot_cpu(void)
{
@@ -439,9 +439,9 @@ static void cps_kexec_nonboot_cpu(void)
cps_shutdown_this_cpu(CPU_DEATH_POWER);
}
-#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_KEXEC_CORE */
-#endif /* CONFIG_HOTPLUG_CPU || CONFIG_KEXEC */
+#endif /* CONFIG_HOTPLUG_CPU || CONFIG_KEXEC_CORE */
#ifdef CONFIG_HOTPLUG_CPU
@@ -610,7 +610,7 @@ static const struct plat_smp_ops cps_smp_ops = {
.cpu_die = cps_cpu_die,
.cleanup_dead_cpu = cps_cleanup_dead_cpu,
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.kexec_nonboot_cpu = cps_kexec_nonboot_cpu,
#endif
};
diff --git a/arch/mips/loongson64/reset.c b/arch/mips/loongson64/reset.c
index e420800043b0..e01c8d4a805a 100644
--- a/arch/mips/loongson64/reset.c
+++ b/arch/mips/loongson64/reset.c
@@ -53,7 +53,7 @@ static void loongson_halt(void)
}
}
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
/* 0X80000000~0X80200000 is safe */
#define MAX_ARGS 64
@@ -158,7 +158,7 @@ static int __init mips_reboot_setup(void)
_machine_halt = loongson_halt;
pm_power_off = loongson_poweroff;
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
kexec_argv = kmalloc(KEXEC_ARGV_SIZE, GFP_KERNEL);
if (WARN_ON(!kexec_argv))
return -ENOMEM;
diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index e015a26a40f7..498bdc1bb0ed 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -864,7 +864,7 @@ const struct plat_smp_ops loongson3_smp_ops = {
.cpu_disable = loongson3_cpu_disable,
.cpu_die = loongson3_cpu_die,
#endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.kexec_nonboot_cpu = kexec_nonboot_cpu_jump,
#endif
};
diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig
index 8d3eacb50d56..9d44e6630908 100644
--- a/arch/powerpc/configs/skiroot_defconfig
+++ b/arch/powerpc/configs/skiroot_defconfig
@@ -301,7 +301,6 @@ CONFIG_WQ_WATCHDOG=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_BUG_ON_DATA_CORRUPTION=y
-CONFIG_DEBUG_CREDENTIALS=y
# CONFIG_FTRACE is not set
CONFIG_XMON=y
# CONFIG_RUNTIME_TESTING_MENU is not set
diff --git a/arch/powerpc/platforms/pseries/vas.c b/arch/powerpc/platforms/pseries/vas.c
index b1f25bac280b..71d52a670d95 100644
--- a/arch/powerpc/platforms/pseries/vas.c
+++ b/arch/powerpc/platforms/pseries/vas.c
@@ -385,11 +385,15 @@ static struct vas_window *vas_allocate_window(int vas_id, u64 flags,
* same fault IRQ is not freed by the OS before.
*/
mutex_lock(&vas_pseries_mutex);
- if (migration_in_progress)
+ if (migration_in_progress) {
rc = -EBUSY;
- else
+ } else {
rc = allocate_setup_window(txwin, (u64 *)&domain[0],
cop_feat_caps->win_type);
+ if (!rc)
+ caps->nr_open_wins_progress++;
+ }
+
mutex_unlock(&vas_pseries_mutex);
if (rc)
goto out;
@@ -404,8 +408,17 @@ static struct vas_window *vas_allocate_window(int vas_id, u64 flags,
goto out_free;
txwin->win_type = cop_feat_caps->win_type;
- mutex_lock(&vas_pseries_mutex);
+
/*
+ * The migration SUSPEND thread sets migration_in_progress and
+ * closes all open windows from the list. But the window is
+ * added to the list after open and modify HCALLs. So possible
+ * that migration_in_progress is set before modify HCALL which
+ * may cause some windows are still open when the hypervisor
+ * initiates the migration.
+ * So checks the migration_in_progress flag again and close all
+ * open windows.
+ *
* Possible to lose the acquired credit with DLPAR core
* removal after the window is opened. So if there are any
* closed windows (means with lost credits), do not give new
@@ -413,9 +426,11 @@ static struct vas_window *vas_allocate_window(int vas_id, u64 flags,
* after the existing windows are reopened when credits are
* available.
*/
- if (!caps->nr_close_wins) {
+ mutex_lock(&vas_pseries_mutex);
+ if (!caps->nr_close_wins && !migration_in_progress) {
list_add(&txwin->win_list, &caps->list);
caps->nr_open_windows++;
+ caps->nr_open_wins_progress--;
mutex_unlock(&vas_pseries_mutex);
vas_user_win_add_mm_context(&txwin->vas_win.task_ref);
return &txwin->vas_win;
@@ -433,6 +448,12 @@ out_free:
*/
free_irq_setup(txwin);
h_deallocate_vas_window(txwin->vas_win.winid);
+ /*
+ * Hold mutex and reduce nr_open_wins_progress counter.
+ */
+ mutex_lock(&vas_pseries_mutex);
+ caps->nr_open_wins_progress--;
+ mutex_unlock(&vas_pseries_mutex);
out:
atomic_dec(&cop_feat_caps->nr_used_credits);
kfree(txwin);
@@ -937,14 +958,14 @@ int vas_migration_handler(int action)
struct vas_caps *vcaps;
int i, rc = 0;
+ pr_info("VAS migration event %d\n", action);
+
/*
* NX-GZIP is not enabled. Nothing to do for migration.
*/
if (!copypaste_feat)
return rc;
- mutex_lock(&vas_pseries_mutex);
-
if (action == VAS_SUSPEND)
migration_in_progress = true;
else
@@ -990,12 +1011,27 @@ int vas_migration_handler(int action)
switch (action) {
case VAS_SUSPEND:
+ mutex_lock(&vas_pseries_mutex);
rc = reconfig_close_windows(vcaps, vcaps->nr_open_windows,
true);
+ /*
+ * Windows are included in the list after successful
+ * open. So wait for closing these in-progress open
+ * windows in vas_allocate_window() which will be
+ * done if the migration_in_progress is set.
+ */
+ while (vcaps->nr_open_wins_progress) {
+ mutex_unlock(&vas_pseries_mutex);
+ msleep(10);
+ mutex_lock(&vas_pseries_mutex);
+ }
+ mutex_unlock(&vas_pseries_mutex);
break;
case VAS_RESUME:
+ mutex_lock(&vas_pseries_mutex);
atomic_set(&caps->nr_total_credits, new_nr_creds);
rc = reconfig_open_windows(vcaps, new_nr_creds, true);
+ mutex_unlock(&vas_pseries_mutex);
break;
default:
/* should not happen */
@@ -1011,8 +1047,9 @@ int vas_migration_handler(int action)
goto out;
}
+ pr_info("VAS migration event (%d) successful\n", action);
+
out:
- mutex_unlock(&vas_pseries_mutex);
return rc;
}
diff --git a/arch/powerpc/platforms/pseries/vas.h b/arch/powerpc/platforms/pseries/vas.h
index 7115043ec488..45567cd13178 100644
--- a/arch/powerpc/platforms/pseries/vas.h
+++ b/arch/powerpc/platforms/pseries/vas.h
@@ -91,6 +91,8 @@ struct vas_cop_feat_caps {
struct vas_caps {
struct vas_cop_feat_caps caps;
struct list_head list; /* List of open windows */
+ int nr_open_wins_progress; /* Number of open windows in */
+ /* progress. Used in migration */
int nr_close_wins; /* closed windows in the hypervisor for DLPAR */
int nr_open_windows; /* Number of successful open windows */
u8 feat; /* Feature type */
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 95a2a06acc6a..24c1799e2ec4 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -685,7 +685,7 @@ config RISCV_BOOT_SPINWAIT
If unsure what to do here, say N.
config ARCH_SUPPORTS_KEXEC
- def_bool MMU
+ def_bool y
config ARCH_SELECTS_KEXEC
def_bool y
@@ -693,7 +693,7 @@ config ARCH_SELECTS_KEXEC
select HOTPLUG_CPU if SMP
config ARCH_SUPPORTS_KEXEC_FILE
- def_bool 64BIT && MMU
+ def_bool 64BIT
config ARCH_SELECTS_KEXEC_FILE
def_bool y
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 294044429e8e..ab00235b018f 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -899,7 +899,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
#define PAGE_KERNEL __pgprot(0)
#define swapper_pg_dir NULL
#define TASK_SIZE 0xffffffffUL
-#define VMALLOC_START 0
+#define VMALLOC_START _AC(0, UL)
#define VMALLOC_END TASK_SIZE
#endif /* !CONFIG_MMU */
diff --git a/arch/riscv/include/asm/syscall_wrapper.h b/arch/riscv/include/asm/syscall_wrapper.h
index 1d7942c8a6cb..eeec04b7dae6 100644
--- a/arch/riscv/include/asm/syscall_wrapper.h
+++ b/arch/riscv/include/asm/syscall_wrapper.h
@@ -46,9 +46,6 @@ asmlinkage long __riscv_sys_ni_syscall(const struct pt_regs *);
return sys_ni_syscall(); \
}
-#define COMPAT_SYS_NI(name) \
- SYSCALL_ALIAS(__riscv_compat_sys_##name, sys_ni_posix_timers);
-
#endif /* CONFIG_COMPAT */
#define __SYSCALL_DEFINEx(x, name, ...) \
@@ -82,6 +79,4 @@ asmlinkage long __riscv_sys_ni_syscall(const struct pt_regs *);
return sys_ni_syscall(); \
}
-#define SYS_NI(name) SYSCALL_ALIAS(__riscv_sys_##name, sys_ni_posix_timers);
-
#endif /* __ASM_SYSCALL_WRAPPER_H */
diff --git a/arch/riscv/kernel/crash_core.c b/arch/riscv/kernel/crash_core.c
index 55f1d7856b54..8706736fd4e2 100644
--- a/arch/riscv/kernel/crash_core.c
+++ b/arch/riscv/kernel/crash_core.c
@@ -5,18 +5,20 @@
void arch_crash_save_vmcoreinfo(void)
{
- VMCOREINFO_NUMBER(VA_BITS);
VMCOREINFO_NUMBER(phys_ram_base);
vmcoreinfo_append_str("NUMBER(PAGE_OFFSET)=0x%lx\n", PAGE_OFFSET);
vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START);
vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END);
+#ifdef CONFIG_MMU
+ VMCOREINFO_NUMBER(VA_BITS);
vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START);
vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END);
#ifdef CONFIG_64BIT
vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR);
vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END);
#endif
+#endif
vmcoreinfo_append_str("NUMBER(KERNEL_LINK_ADDR)=0x%lx\n", KERNEL_LINK_ADDR);
vmcoreinfo_append_str("NUMBER(va_kernel_pa_offset)=0x%lx\n",
kernel_map.va_kernel_pa_offset);
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 438cd92e6080..6de44ede4e14 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -44,8 +44,7 @@ CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_CRASH_DUMP=y
CONFIG_LIVEPATCH=y
-CONFIG_MARCH_ZEC12=y
-CONFIG_TUNE_ZEC12=y
+CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
@@ -76,7 +75,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODULE_UNLOAD_TAINT_TRACKING=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
-CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
@@ -93,6 +91,7 @@ CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BINFMT_MISC=m
CONFIG_ZSWAP=y
+CONFIG_ZSWAP_ZPOOL_DEFAULT_ZBUD=y
CONFIG_ZSMALLOC_STAT=y
CONFIG_SLUB_STATS=y
# CONFIG_COMPAT_BRK is not set
@@ -619,6 +618,9 @@ CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_BTRFS_DEBUG=y
CONFIG_BTRFS_ASSERT=y
CONFIG_NILFS2_FS=m
+CONFIG_BCACHEFS_FS=y
+CONFIG_BCACHEFS_QUOTA=y
+CONFIG_BCACHEFS_POSIX_ACL=y
CONFIG_FS_DAX=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FS_ENCRYPTION=y
@@ -691,7 +693,6 @@ CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_KEY_NOTIFICATIONS=y
CONFIG_SECURITY=y
-CONFIG_SECURITY_NETWORK=y
CONFIG_HARDENED_USERCOPY=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_SELINUX=y
@@ -834,7 +835,6 @@ CONFIG_DEBUG_IRQFLAGS=y
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
-CONFIG_DEBUG_CREDENTIALS=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_RCU_REF_SCALE_TEST=m
CONFIG_RCU_CPU_STALL_TIMEOUT=300
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 1b8150e50f6a..bcae47da6b7c 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -42,8 +42,7 @@ CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_CRASH_DUMP=y
CONFIG_LIVEPATCH=y
-CONFIG_MARCH_ZEC12=y
-CONFIG_TUNE_ZEC12=y
+CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
@@ -71,7 +70,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODULE_UNLOAD_TAINT_TRACKING=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
-CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
@@ -88,6 +86,7 @@ CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BINFMT_MISC=m
CONFIG_ZSWAP=y
+CONFIG_ZSWAP_ZPOOL_DEFAULT_ZBUD=y
CONFIG_ZSMALLOC_STAT=y
# CONFIG_COMPAT_BRK is not set
CONFIG_MEMORY_HOTPLUG=y
@@ -605,6 +604,9 @@ CONFIG_OCFS2_FS=m
CONFIG_BTRFS_FS=y
CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_NILFS2_FS=m
+CONFIG_BCACHEFS_FS=m
+CONFIG_BCACHEFS_QUOTA=y
+CONFIG_BCACHEFS_POSIX_ACL=y
CONFIG_FS_DAX=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FS_ENCRYPTION=y
@@ -677,7 +679,6 @@ CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_KEY_NOTIFICATIONS=y
CONFIG_SECURITY=y
-CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_LOCKDOWN_LSM=y
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index b831083b4edd..47028450eee1 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -9,8 +9,7 @@ CONFIG_BPF_SYSCALL=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_CRASH_DUMP=y
-CONFIG_MARCH_ZEC12=y
-CONFIG_TUNE_ZEC12=y
+CONFIG_MARCH_Z13=y
# CONFIG_COMPAT is not set
CONFIG_NR_CPUS=2
CONFIG_HZ_100=y
diff --git a/arch/s390/include/asm/fpu/api.h b/arch/s390/include/asm/fpu/api.h
index b714ed0ef688..9acf48e53a87 100644
--- a/arch/s390/include/asm/fpu/api.h
+++ b/arch/s390/include/asm/fpu/api.h
@@ -79,7 +79,7 @@ static inline int test_fp_ctl(u32 fpc)
#define KERNEL_VXR_HIGH (KERNEL_VXR_V16V23|KERNEL_VXR_V24V31)
#define KERNEL_VXR (KERNEL_VXR_LOW|KERNEL_VXR_HIGH)
-#define KERNEL_FPR (KERNEL_FPC|KERNEL_VXR_V0V7)
+#define KERNEL_FPR (KERNEL_FPC|KERNEL_VXR_LOW)
struct kernel_fpu;
diff --git a/arch/s390/include/asm/syscall_wrapper.h b/arch/s390/include/asm/syscall_wrapper.h
index 9286430fe729..35c1d1b860d8 100644
--- a/arch/s390/include/asm/syscall_wrapper.h
+++ b/arch/s390/include/asm/syscall_wrapper.h
@@ -63,10 +63,6 @@
cond_syscall(__s390x_sys_##name); \
cond_syscall(__s390_sys_##name)
-#define SYS_NI(name) \
- SYSCALL_ALIAS(__s390x_sys_##name, sys_ni_posix_timers); \
- SYSCALL_ALIAS(__s390_sys_##name, sys_ni_posix_timers)
-
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
long __s390_compat_sys##name(struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__s390_compat_sys##name, ERRNO); \
@@ -85,15 +81,11 @@
/*
* As some compat syscalls may not be implemented, we need to expand
- * COND_SYSCALL_COMPAT in kernel/sys_ni.c and COMPAT_SYS_NI in
- * kernel/time/posix-stubs.c to cover this case as well.
+ * COND_SYSCALL_COMPAT in kernel/sys_ni.c to cover this case as well.
*/
#define COND_SYSCALL_COMPAT(name) \
cond_syscall(__s390_compat_sys_##name)
-#define COMPAT_SYS_NI(name) \
- SYSCALL_ALIAS(__s390_compat_sys_##name, sys_ni_posix_timers)
-
#define __S390_SYS_STUBx(x, name, ...) \
long __s390_sys##name(struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__s390_sys##name, ERRNO); \
@@ -124,9 +116,6 @@
#define COND_SYSCALL(name) \
cond_syscall(__s390x_sys_##name)
-#define SYS_NI(name) \
- SYSCALL_ALIAS(__s390x_sys_##name, sys_ni_posix_timers)
-
#define __S390_SYS_STUBx(x, fullname, name, ...)
#endif /* CONFIG_COMPAT */
diff --git a/arch/sh/include/asm/kexec.h b/arch/sh/include/asm/kexec.h
index 927d80ba2332..76631714673c 100644
--- a/arch/sh/include/asm/kexec.h
+++ b/arch/sh/include/asm/kexec.h
@@ -28,7 +28,7 @@
/* The native architecture */
#define KEXEC_ARCH KEXEC_ARCH_SH
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
/* arch/sh/kernel/machine_kexec.c */
void reserve_crashkernel(void);
@@ -67,6 +67,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
}
#else
static inline void reserve_crashkernel(void) { }
-#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_KEXEC_CORE */
#endif /* __ASM_SH_KEXEC_H */
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 69cd9ac4b2ab..2d7e70537de0 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -33,7 +33,7 @@ obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o
obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_MODULES) += sh_ksyms_32.o module.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
diff --git a/arch/sh/kernel/reboot.c b/arch/sh/kernel/reboot.c
index e8eeedc9b182..1de006b1c339 100644
--- a/arch/sh/kernel/reboot.c
+++ b/arch/sh/kernel/reboot.c
@@ -63,7 +63,7 @@ struct machine_ops machine_ops = {
.shutdown = native_machine_shutdown,
.restart = native_machine_restart,
.halt = native_machine_halt,
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
.crash_shutdown = native_machine_crash_shutdown,
#endif
};
@@ -88,7 +88,7 @@ void machine_halt(void)
machine_ops.halt();
}
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
void machine_crash_shutdown(struct pt_regs *regs)
{
machine_ops.crash_shutdown(regs);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 3d80515298d2..d3175f09b3aa 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -220,7 +220,7 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
request_resource(res, &code_resource);
request_resource(res, &data_resource);
request_resource(res, &bss_resource);
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
request_resource(res, &crashk_res);
#endif
diff --git a/arch/x86/boot/compressed/acpi.c b/arch/x86/boot/compressed/acpi.c
index 55c98fdd67d2..18d15d1ce87d 100644
--- a/arch/x86/boot/compressed/acpi.c
+++ b/arch/x86/boot/compressed/acpi.c
@@ -178,7 +178,7 @@ static unsigned long get_cmdline_acpi_rsdp(void)
{
unsigned long addr = 0;
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
char val[MAX_ADDR_LEN] = { };
int ret;
diff --git a/arch/x86/include/asm/syscall_wrapper.h b/arch/x86/include/asm/syscall_wrapper.h
index fd2669b1cb2d..21f9407be5d3 100644
--- a/arch/x86/include/asm/syscall_wrapper.h
+++ b/arch/x86/include/asm/syscall_wrapper.h
@@ -86,9 +86,6 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
return sys_ni_syscall(); \
}
-#define __SYS_NI(abi, name) \
- SYSCALL_ALIAS(__##abi##_##name, sys_ni_posix_timers);
-
#ifdef CONFIG_X86_64
#define __X64_SYS_STUB0(name) \
__SYS_STUB0(x64, sys_##name)
@@ -100,13 +97,10 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
#define __X64_COND_SYSCALL(name) \
__COND_SYSCALL(x64, sys_##name)
-#define __X64_SYS_NI(name) \
- __SYS_NI(x64, sys_##name)
#else /* CONFIG_X86_64 */
#define __X64_SYS_STUB0(name)
#define __X64_SYS_STUBx(x, name, ...)
#define __X64_COND_SYSCALL(name)
-#define __X64_SYS_NI(name)
#endif /* CONFIG_X86_64 */
#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
@@ -120,13 +114,10 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
#define __IA32_COND_SYSCALL(name) \
__COND_SYSCALL(ia32, sys_##name)
-#define __IA32_SYS_NI(name) \
- __SYS_NI(ia32, sys_##name)
#else /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */
#define __IA32_SYS_STUB0(name)
#define __IA32_SYS_STUBx(x, name, ...)
#define __IA32_COND_SYSCALL(name)
-#define __IA32_SYS_NI(name)
#endif /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */
#ifdef CONFIG_IA32_EMULATION
@@ -135,8 +126,7 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
* additional wrappers (aptly named __ia32_sys_xyzzy) which decode the
* ia32 regs in the proper order for shared or "common" syscalls. As some
* syscalls may not be implemented, we need to expand COND_SYSCALL in
- * kernel/sys_ni.c and SYS_NI in kernel/time/posix-stubs.c to cover this
- * case as well.
+ * kernel/sys_ni.c to cover this case as well.
*/
#define __IA32_COMPAT_SYS_STUB0(name) \
__SYS_STUB0(ia32, compat_sys_##name)
@@ -148,14 +138,10 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
#define __IA32_COMPAT_COND_SYSCALL(name) \
__COND_SYSCALL(ia32, compat_sys_##name)
-#define __IA32_COMPAT_SYS_NI(name) \
- __SYS_NI(ia32, compat_sys_##name)
-
#else /* CONFIG_IA32_EMULATION */
#define __IA32_COMPAT_SYS_STUB0(name)
#define __IA32_COMPAT_SYS_STUBx(x, name, ...)
#define __IA32_COMPAT_COND_SYSCALL(name)
-#define __IA32_COMPAT_SYS_NI(name)
#endif /* CONFIG_IA32_EMULATION */
@@ -175,13 +161,10 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
#define __X32_COMPAT_COND_SYSCALL(name) \
__COND_SYSCALL(x64, compat_sys_##name)
-#define __X32_COMPAT_SYS_NI(name) \
- __SYS_NI(x64, compat_sys_##name)
#else /* CONFIG_X86_X32_ABI */
#define __X32_COMPAT_SYS_STUB0(name)
#define __X32_COMPAT_SYS_STUBx(x, name, ...)
#define __X32_COMPAT_COND_SYSCALL(name)
-#define __X32_COMPAT_SYS_NI(name)
#endif /* CONFIG_X86_X32_ABI */
@@ -212,17 +195,12 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
/*
* As some compat syscalls may not be implemented, we need to expand
- * COND_SYSCALL_COMPAT in kernel/sys_ni.c and COMPAT_SYS_NI in
- * kernel/time/posix-stubs.c to cover this case as well.
+ * COND_SYSCALL_COMPAT in kernel/sys_ni.c to cover this case as well.
*/
#define COND_SYSCALL_COMPAT(name) \
__IA32_COMPAT_COND_SYSCALL(name) \
__X32_COMPAT_COND_SYSCALL(name)
-#define COMPAT_SYS_NI(name) \
- __IA32_COMPAT_SYS_NI(name) \
- __X32_COMPAT_SYS_NI(name)
-
#endif /* CONFIG_COMPAT */
#define __SYSCALL_DEFINEx(x, name, ...) \
@@ -243,8 +221,8 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
* As the generic SYSCALL_DEFINE0() macro does not decode any parameters for
* obvious reasons, and passing struct pt_regs *regs to it in %rdi does not
* hurt, we only need to re-define it here to keep the naming congruent to
- * SYSCALL_DEFINEx() -- which is essential for the COND_SYSCALL() and SYS_NI()
- * macros to work correctly.
+ * SYSCALL_DEFINEx() -- which is essential for the COND_SYSCALL() macro
+ * to work correctly.
*/
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
@@ -257,10 +235,6 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
__X64_COND_SYSCALL(name) \
__IA32_COND_SYSCALL(name)
-#define SYS_NI(name) \
- __X64_SYS_NI(name) \
- __IA32_SYS_NI(name)
-
/*
* For VSYSCALLS, we need to declare these three syscalls with the new
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 9b1ec5d8c99c..a65fc2ae15b4 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -9,6 +9,7 @@ config XEN
select PARAVIRT_CLOCK
select X86_HV_CALLBACK_VECTOR
depends on X86_64 || (X86_32 && X86_PAE)
+ depends on X86_64 || (X86_GENERIC || MPENTIUM4 || MCORE2 || MATOM || MK8)
depends on X86_LOCAL_APIC && X86_TSC
help
This is the Linux Xen port. Enabling this will allow the