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authorLinus Torvalds <torvalds@linux-foundation.org>2025-01-24 11:52:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2025-01-24 11:52:59 -0800
commit47d65738b9752d6bf0ed694c3c829a06a1c460ac (patch)
tree1e9957e78d7836d3a3550885d4a486051c848374
parentac0761d8d8315759562a3b85120d482cedf44328 (diff)
parent3599bae489d86fbabe039f9a2ab5472ffb04f7f1 (diff)
Merge tag 'parisc-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture updates from Helge Deller: - Temporarily disable jump label support to avoid kernel crash with 32-bit kernel - Add vdso linker script to 'targets' instead of extra-y - Remove parisc versions of memcpy_toio and memset_io * tag 'parisc-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Temporarily disable jump label support parisc: add vdso linker script to 'targets' instead of extra-y parisc: Remove memcpy_toio and memset_io
-rw-r--r--arch/parisc/Kconfig4
-rw-r--r--arch/parisc/include/asm/io.h4
-rw-r--r--arch/parisc/kernel/parisc_ksyms.c2
-rw-r--r--arch/parisc/kernel/vdso32/Makefile2
-rw-r--r--arch/parisc/kernel/vdso64/Makefile2
-rw-r--r--arch/parisc/lib/io.c47
6 files changed, 4 insertions, 57 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index aa6a3cad275d..fcc5973f7519 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -60,8 +60,8 @@ config PARISC
select HAVE_ARCH_MMAP_RND_BITS
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HASH
- select HAVE_ARCH_JUMP_LABEL
- select HAVE_ARCH_JUMP_LABEL_RELATIVE
+ # select HAVE_ARCH_JUMP_LABEL
+ # select HAVE_ARCH_JUMP_LABEL_RELATIVE
select HAVE_ARCH_KFENCE
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index a63190af2f05..3143cf29ce27 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -135,12 +135,8 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr)
#define pci_iounmap pci_iounmap
-void memset_io(volatile void __iomem *addr, unsigned char val, int count);
void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
-void memcpy_toio(volatile void __iomem *dst, const void *src, int count);
-#define memset_io memset_io
#define memcpy_fromio memcpy_fromio
-#define memcpy_toio memcpy_toio
/* Port-space IO */
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index c1587aa35beb..1c366b0d3134 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -43,9 +43,7 @@ EXPORT_SYMBOL($global$);
#endif
#include <asm/io.h>
-EXPORT_SYMBOL(memcpy_toio);
EXPORT_SYMBOL(memcpy_fromio);
-EXPORT_SYMBOL(memset_io);
extern void $$divI(void);
extern void $$divU(void);
diff --git a/arch/parisc/kernel/vdso32/Makefile b/arch/parisc/kernel/vdso32/Makefile
index 2b36d25ada6e..288f8b85978f 100644
--- a/arch/parisc/kernel/vdso32/Makefile
+++ b/arch/parisc/kernel/vdso32/Makefile
@@ -33,7 +33,7 @@ KBUILD_CFLAGS += -DBUILD_VDSO -DDISABLE_BRANCH_PROFILING
VDSO_LIBGCC := $(shell $(CROSS32CC) -print-libgcc-file-name)
obj-y += vdso32_wrapper.o
-extra-y += vdso32.lds
+targets += vdso32.lds
CPPFLAGS_vdso32.lds += -P -C # -U$(ARCH)
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so FORCE
diff --git a/arch/parisc/kernel/vdso64/Makefile b/arch/parisc/kernel/vdso64/Makefile
index bd87bd6a6659..bc5d9553f311 100644
--- a/arch/parisc/kernel/vdso64/Makefile
+++ b/arch/parisc/kernel/vdso64/Makefile
@@ -32,7 +32,7 @@ KBUILD_CFLAGS += -DBUILD_VDSO -DDISABLE_BRANCH_PROFILING
VDSO_LIBGCC := $(shell $(CC) -print-libgcc-file-name)
obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so FORCE
diff --git a/arch/parisc/lib/io.c b/arch/parisc/lib/io.c
index 7c00496b47d4..7461366a65c9 100644
--- a/arch/parisc/lib/io.c
+++ b/arch/parisc/lib/io.c
@@ -12,32 +12,6 @@
#include <linux/module.h>
#include <asm/io.h>
-/* Copies a block of memory to a device in an efficient manner.
- * Assumes the device can cope with 32-bit transfers. If it can't,
- * don't use this function.
- */
-void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
-{
- if (((unsigned long)dst & 3) != ((unsigned long)src & 3))
- goto bytecopy;
- while ((unsigned long)dst & 3) {
- writeb(*(char *)src, dst++);
- src++;
- count--;
- }
- while (count > 3) {
- __raw_writel(*(u32 *)src, dst);
- src += 4;
- dst += 4;
- count -= 4;
- }
- bytecopy:
- while (count--) {
- writeb(*(char *)src, dst++);
- src++;
- }
-}
-
/*
** Copies a block of memory from a device in an efficient manner.
** Assumes the device can cope with 32-bit transfers. If it can't,
@@ -99,27 +73,6 @@ void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
}
}
-/* Sets a block of memory on a device to a given value.
- * Assumes the device can cope with 32-bit transfers. If it can't,
- * don't use this function.
- */
-void memset_io(volatile void __iomem *addr, unsigned char val, int count)
-{
- u32 val32 = (val << 24) | (val << 16) | (val << 8) | val;
- while ((unsigned long)addr & 3) {
- writeb(val, addr++);
- count--;
- }
- while (count > 3) {
- __raw_writel(val32, addr);
- addr += 4;
- count -= 4;
- }
- while (count--) {
- writeb(val, addr++);
- }
-}
-
/*
* Read COUNT 8-bit bytes from port PORT into memory starting at
* SRC.