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author | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-01-05 14:15:44 +0100 |
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committer | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-01-08 16:45:08 +0100 |
commit | 57a9633a2c6c3be56c794576157f057a70ac52df (patch) | |
tree | a8d76560e0cec6fdc3e2963e5a5d7232cf2bb0f4 /target/linux/generic/pending-4.9/306-mips_mem_functions_performance.patch | |
parent | 28fd4ac512ec1c08a79ac7a434b2def3cc82f1d5 (diff) | |
download | upstream-57a9633a2c6c3be56c794576157f057a70ac52df.tar.gz upstream-57a9633a2c6c3be56c794576157f057a70ac52df.tar.bz2 upstream-57a9633a2c6c3be56c794576157f057a70ac52df.zip |
kernel: remove support for kernel 4.9
No target uses kernel 4.9 anymore.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Diffstat (limited to 'target/linux/generic/pending-4.9/306-mips_mem_functions_performance.patch')
-rw-r--r-- | target/linux/generic/pending-4.9/306-mips_mem_functions_performance.patch | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/target/linux/generic/pending-4.9/306-mips_mem_functions_performance.patch b/target/linux/generic/pending-4.9/306-mips_mem_functions_performance.patch deleted file mode 100644 index 2e404b2236..0000000000 --- a/target/linux/generic/pending-4.9/306-mips_mem_functions_performance.patch +++ /dev/null @@ -1,106 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Subject: [PATCH] mips: allow the compiler to optimize memset, memcmp, memcpy for better performance and (in some instances) smaller code - -lede-commit: 07e59c7bc7f375f792ec9734be42fe4fa391a8bb -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - arch/mips/boot/compressed/Makefile | 3 ++- - arch/mips/include/asm/string.h | 38 ++++++++++++++++++++++++++++++++++++++ - arch/mips/lib/Makefile | 2 +- - arch/mips/lib/memcmp.c | 22 ++++++++++++++++++++++ - 4 files changed, 63 insertions(+), 2 deletions(-) - create mode 100644 arch/mips/lib/memcmp.c - ---- a/arch/mips/boot/compressed/Makefile -+++ b/arch/mips/boot/compressed/Makefile -@@ -23,7 +23,8 @@ KBUILD_CFLAGS := $(shell echo $(KBUILD_C - KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS)) - - KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ -- -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" -+ -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" \ -+ -D__ZBOOT__ - - KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ - -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ ---- a/arch/mips/include/asm/string.h -+++ b/arch/mips/include/asm/string.h -@@ -140,4 +140,42 @@ extern void *memcpy(void *__to, __const_ - #define __HAVE_ARCH_MEMMOVE - extern void *memmove(void *__dest, __const__ void *__src, size_t __n); - -+#ifndef __ZBOOT__ -+#define memset(__s, __c, len) \ -+({ \ -+ size_t __len = (len); \ -+ void *__ret; \ -+ if (__builtin_constant_p(len) && __len >= 64) \ -+ __ret = memset((__s), (__c), __len); \ -+ else \ -+ __ret = __builtin_memset((__s), (__c), __len); \ -+ __ret; \ -+}) -+ -+#define memcpy(dst, src, len) \ -+({ \ -+ size_t __len = (len); \ -+ void *__ret; \ -+ if (__builtin_constant_p(len) && __len >= 64) \ -+ __ret = memcpy((dst), (src), __len); \ -+ else \ -+ __ret = __builtin_memcpy((dst), (src), __len); \ -+ __ret; \ -+}) -+ -+#define memmove(dst, src, len) \ -+({ \ -+ size_t __len = (len); \ -+ void *__ret; \ -+ if (__builtin_constant_p(len) && __len >= 64) \ -+ __ret = memmove((dst), (src), __len); \ -+ else \ -+ __ret = __builtin_memmove((dst), (src), __len); \ -+ __ret; \ -+}) -+ -+#define __HAVE_ARCH_MEMCMP -+#define memcmp(src1, src2, len) __builtin_memcmp((src1), (src2), (len)) -+#endif -+ - #endif /* _ASM_STRING_H */ ---- a/arch/mips/lib/Makefile -+++ b/arch/mips/lib/Makefile -@@ -4,7 +4,7 @@ - - lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \ - mips-atomic.o strlen_user.o strncpy_user.o \ -- strnlen_user.o uncached.o -+ strnlen_user.o uncached.o memcmp.o - - obj-y += iomap.o - obj-$(CONFIG_PCI) += iomap-pci.o ---- /dev/null -+++ b/arch/mips/lib/memcmp.c -@@ -0,0 +1,22 @@ -+/* -+ * copied from linux/lib/string.c -+ * -+ * Copyright (C) 1991, 1992 Linus Torvalds -+ */ -+ -+#include <linux/module.h> -+#include <linux/string.h> -+ -+#undef memcmp -+int memcmp(const void *cs, const void *ct, size_t count) -+{ -+ const unsigned char *su1, *su2; -+ int res = 0; -+ -+ for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--) -+ if ((res = *su1 - *su2) != 0) -+ break; -+ return res; -+} -+EXPORT_SYMBOL(memcmp); -+ |