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-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/Kconfig.debug2
-rw-r--r--arch/arm/configs/aspeed_g4_defconfig2
-rw-r--r--arch/arm/configs/aspeed_g5_defconfig2
-rw-r--r--arch/arm/include/asm/cachetype.h2
-rw-r--r--arch/arm/include/asm/pgtable-2level.h1
-rw-r--r--arch/arm/include/asm/pgtable-3level.h1
-rw-r--r--arch/arm/include/asm/pgtable.h2
-rw-r--r--arch/arm/include/asm/ptdump.h6
-rw-r--r--arch/arm/kernel/Makefile1
-rw-r--r--arch/arm/kernel/machine_kexec.c7
-rw-r--r--arch/arm/kernel/setup.c4
-rw-r--r--arch/arm/kernel/vmcore_info.c10
-rw-r--r--arch/arm/mm/dump.c4
-rw-r--r--arch/arm/mm/init.c2
-rw-r--r--arch/arm/mm/mmu.c2
16 files changed, 28 insertions, 21 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c46ec54c5363..702d97a9c304 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -5,6 +5,7 @@ config ARM
select ARCH_32BIT_OFF_T
select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE if HAVE_KRETPROBES && FRAME_POINTER && !ARM_UNWIND
select ARCH_HAS_BINFMT_FLAT
+ select ARCH_HAS_CPU_CACHE_ALIASING
select ARCH_HAS_CPU_FINALIZE_INIT if MMU
select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_DEBUG_VIRTUAL if MMU
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5fbbac1b708b..f1fc278081d0 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -17,7 +17,7 @@ config ARM_PTDUMP_DEBUGFS
kernel.
If in doubt, say "N"
-config DEBUG_WX
+config ARM_DEBUG_WX
bool "Warn on W+X mappings at boot"
depends on MMU
select ARM_PTDUMP_CORE
diff --git a/arch/arm/configs/aspeed_g4_defconfig b/arch/arm/configs/aspeed_g4_defconfig
index b3dc0465796f..28b724d59e7e 100644
--- a/arch/arm/configs/aspeed_g4_defconfig
+++ b/arch/arm/configs/aspeed_g4_defconfig
@@ -252,7 +252,7 @@ CONFIG_DEBUG_INFO_REDUCED=y
CONFIG_GDB_SCRIPTS=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
-CONFIG_DEBUG_WX=y
+CONFIG_ARM_DEBUG_WX=y
CONFIG_SCHED_STACK_END_CHECK=y
CONFIG_PANIC_ON_OOPS=y
CONFIG_PANIC_TIMEOUT=-1
diff --git a/arch/arm/configs/aspeed_g5_defconfig b/arch/arm/configs/aspeed_g5_defconfig
index 3fdf4dbfdea5..61cee1e7ebea 100644
--- a/arch/arm/configs/aspeed_g5_defconfig
+++ b/arch/arm/configs/aspeed_g5_defconfig
@@ -302,7 +302,7 @@ CONFIG_DEBUG_INFO_REDUCED=y
CONFIG_GDB_SCRIPTS=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
-CONFIG_DEBUG_WX=y
+CONFIG_ARM_DEBUG_WX=y
CONFIG_SCHED_STACK_END_CHECK=y
CONFIG_PANIC_ON_OOPS=y
CONFIG_PANIC_TIMEOUT=-1
diff --git a/arch/arm/include/asm/cachetype.h b/arch/arm/include/asm/cachetype.h
index e8c30430be33..b9dbe1d4c8fe 100644
--- a/arch/arm/include/asm/cachetype.h
+++ b/arch/arm/include/asm/cachetype.h
@@ -20,6 +20,8 @@ extern unsigned int cacheid;
#define icache_is_vipt_aliasing() cacheid_is(CACHEID_VIPT_I_ALIASING)
#define icache_is_pipt() cacheid_is(CACHEID_PIPT)
+#define cpu_dcache_is_aliasing() (cache_is_vivt() || cache_is_vipt_aliasing())
+
/*
* __LINUX_ARM_ARCH__ is the minimum supported CPU architecture
* Mask out support which will never be present on newer CPUs.
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index ce543cd9380c..b0a262566eb9 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -213,7 +213,6 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
#define pmd_pfn(pmd) (__phys_to_pfn(pmd_val(pmd) & PHYS_MASK))
-#define pmd_large(pmd) (pmd_val(pmd) & 2)
#define pmd_leaf(pmd) (pmd_val(pmd) & 2)
#define pmd_bad(pmd) (pmd_val(pmd) & 2)
#define pmd_present(pmd) (pmd_val(pmd))
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 71c3add6417f..4b1d9eb3908a 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -118,7 +118,6 @@
PMD_TYPE_TABLE)
#define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
PMD_TYPE_SECT)
-#define pmd_large(pmd) pmd_sect(pmd)
#define pmd_leaf(pmd) pmd_sect(pmd)
#define pud_clear(pudp) \
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index d657b84b6bf7..be91e376df79 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -209,6 +209,8 @@ static inline void __sync_icache_dcache(pte_t pteval)
extern void __sync_icache_dcache(pte_t pteval);
#endif
+#define PFN_PTE_SHIFT PAGE_SHIFT
+
void set_ptes(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval, unsigned int nr);
#define set_ptes set_ptes
diff --git a/arch/arm/include/asm/ptdump.h b/arch/arm/include/asm/ptdump.h
index aad1d034136c..46a4575146ee 100644
--- a/arch/arm/include/asm/ptdump.h
+++ b/arch/arm/include/asm/ptdump.h
@@ -32,10 +32,10 @@ void ptdump_check_wx(void);
#endif /* CONFIG_ARM_PTDUMP_CORE */
-#ifdef CONFIG_DEBUG_WX
-#define debug_checkwx() ptdump_check_wx()
+#ifdef CONFIG_ARM_DEBUG_WX
+#define arm_debug_checkwx() ptdump_check_wx()
#else
-#define debug_checkwx() do { } while (0)
+#define arm_debug_checkwx() do { } while (0)
#endif
#endif /* __ASM_PTDUMP_H */
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 771264d4726a..6a9de826ffd3 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -60,6 +60,7 @@ obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o insn.o patch.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o insn.o patch.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o insn.o patch.o
obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o
# Main staffs in KPROBES are in arch/arm/probes/ .
obj-$(CONFIG_KPROBES) += patch.o insn.o
obj-$(CONFIG_OABI_COMPAT) += sys_oabi-compat.o
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 5d07cf9e0044..80ceb5bd2680 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -198,10 +198,3 @@ void machine_kexec(struct kimage *image)
soft_restart(reboot_entry_phys);
}
-
-void arch_crash_save_vmcoreinfo(void)
-{
-#ifdef CONFIG_ARM_LPAE
- VMCOREINFO_CONFIG(ARM_LPAE);
-#endif
-}
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index ff2299ce1ad7..7b33b157fca0 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -979,7 +979,7 @@ static int __init init_machine_late(void)
}
late_initcall(init_machine_late);
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_CRASH_RESERVE
/*
* The crash region must be aligned to 128MB to avoid
* zImage relocating below the reserved region.
@@ -1066,7 +1066,7 @@ static void __init reserve_crashkernel(void)
}
#else
static inline void reserve_crashkernel(void) {}
-#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_CRASH_RESERVE*/
void __init hyp_mode_check(void)
{
diff --git a/arch/arm/kernel/vmcore_info.c b/arch/arm/kernel/vmcore_info.c
new file mode 100644
index 000000000000..1437aba47787
--- /dev/null
+++ b/arch/arm/kernel/vmcore_info.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/vmcore_info.h>
+
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_ARM_LPAE
+ VMCOREINFO_CONFIG(ARM_LPAE);
+#endif
+}
diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index a9381095ab36..cd032522d902 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -349,12 +349,12 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
for (i = 0; i < PTRS_PER_PMD; i++, pmd++) {
addr = start + i * PMD_SIZE;
domain = get_domain_name(pmd);
- if (pmd_none(*pmd) || pmd_large(*pmd) || !pmd_present(*pmd))
+ if (pmd_none(*pmd) || pmd_leaf(*pmd) || !pmd_present(*pmd))
note_page(st, addr, 4, pmd_val(*pmd), domain);
else
walk_pte(st, pmd, addr, domain);
- if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1])) {
+ if (SECTION_SIZE < PMD_SIZE && pmd_leaf(pmd[1])) {
addr += SECTION_SIZE;
pmd++;
domain = get_domain_name(pmd);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index a42e4cd11db2..4c3d78691279 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -458,7 +458,7 @@ static int __mark_rodata_ro(void *unused)
void mark_rodata_ro(void)
{
stop_machine(__mark_rodata_ro, NULL, NULL);
- debug_checkwx();
+ arm_debug_checkwx();
}
#else
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 674ed71573a8..c24e29c0b9a4 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1814,6 +1814,6 @@ void set_ptes(struct mm_struct *mm, unsigned long addr,
if (--nr == 0)
break;
ptep++;
- pte_val(pteval) += PAGE_SIZE;
+ pteval = pte_next_pfn(pteval);
}
}