diff options
author | Tanzir Hasan <tanzirh@google.com> | 2023-12-26 18:00:00 +0000 |
---|---|---|
committer | Kees Cook <keescook@chromium.org> | 2024-02-01 09:47:59 -0800 |
commit | 66a5c40f60f5d88ad8d47ba6a4ba05892853fa1f (patch) | |
tree | 63ee4c0ec6e43b5890cd0e0f168f8100e254c5b3 /arch | |
parent | 735b7636d1a88e85eeef607a8179a114618bc5a0 (diff) |
kernel.h: removed REPEAT_BYTE from kernel.h
This patch creates wordpart.h and includes it in asm/word-at-a-time.h
for all architectures. WORD_AT_A_TIME_CONSTANTS depends on kernel.h
because of REPEAT_BYTE. Moving this to another header and including it
where necessary allows us to not include the bloated kernel.h. Making
this implicit dependency on REPEAT_BYTE explicit allows for later
improvements in the lib/string.c inclusion list.
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Tanzir Hasan <tanzirh@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231226-libstringheader-v6-1-80aa08c7652c@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/word-at-a-time.h | 3 | ||||
-rw-r--r-- | arch/arm64/include/asm/word-at-a-time.h | 3 | ||||
-rw-r--r-- | arch/powerpc/include/asm/word-at-a-time.h | 4 | ||||
-rw-r--r-- | arch/riscv/include/asm/word-at-a-time.h | 3 | ||||
-rw-r--r-- | arch/s390/include/asm/word-at-a-time.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/word-at-a-time.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/word-at-a-time.h | 3 | ||||
-rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 1 |
8 files changed, 15 insertions, 7 deletions
diff --git a/arch/arm/include/asm/word-at-a-time.h b/arch/arm/include/asm/word-at-a-time.h index 352ab213520d..f9a3897b06e7 100644 --- a/arch/arm/include/asm/word-at-a-time.h +++ b/arch/arm/include/asm/word-at-a-time.h @@ -8,7 +8,8 @@ * Little-endian word-at-a-time zero byte handling. * Heavily based on the x86 algorithm. */ -#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/wordpart.h> struct word_at_a_time { const unsigned long one_bits, high_bits; diff --git a/arch/arm64/include/asm/word-at-a-time.h b/arch/arm64/include/asm/word-at-a-time.h index f3b151ed0d7a..14251abee23c 100644 --- a/arch/arm64/include/asm/word-at-a-time.h +++ b/arch/arm64/include/asm/word-at-a-time.h @@ -9,7 +9,8 @@ #ifndef __AARCH64EB__ -#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/wordpart.h> struct word_at_a_time { const unsigned long one_bits, high_bits; diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index 30a12d208687..54653a863414 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -4,8 +4,8 @@ /* * Word-at-a-time interfaces for PowerPC. */ - -#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/wordpart.h> #include <asm/asm-compat.h> #include <asm/extable.h> diff --git a/arch/riscv/include/asm/word-at-a-time.h b/arch/riscv/include/asm/word-at-a-time.h index f3f031e34191..3802cda71ab7 100644 --- a/arch/riscv/include/asm/word-at-a-time.h +++ b/arch/riscv/include/asm/word-at-a-time.h @@ -10,7 +10,8 @@ #include <asm/asm-extable.h> -#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/wordpart.h> struct word_at_a_time { const unsigned long one_bits, high_bits; diff --git a/arch/s390/include/asm/word-at-a-time.h b/arch/s390/include/asm/word-at-a-time.h index 2579f1694b82..203acd6e431b 100644 --- a/arch/s390/include/asm/word-at-a-time.h +++ b/arch/s390/include/asm/word-at-a-time.h @@ -2,7 +2,8 @@ #ifndef _ASM_WORD_AT_A_TIME_H #define _ASM_WORD_AT_A_TIME_H -#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/wordpart.h> #include <asm/asm-extable.h> #include <asm/bitsperlong.h> diff --git a/arch/sh/include/asm/word-at-a-time.h b/arch/sh/include/asm/word-at-a-time.h index 4aa398455b94..95100ce128d6 100644 --- a/arch/sh/include/asm/word-at-a-time.h +++ b/arch/sh/include/asm/word-at-a-time.h @@ -5,6 +5,8 @@ #ifdef CONFIG_CPU_BIG_ENDIAN # include <asm-generic/word-at-a-time.h> #else +#include <linux/bitops.h> +#include <linux/wordpart.h> /* * Little-endian version cribbed from x86. */ diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h index 46b4f1f7f354..e8d7d4941c4c 100644 --- a/arch/x86/include/asm/word-at-a-time.h +++ b/arch/x86/include/asm/word-at-a-time.h @@ -2,7 +2,8 @@ #ifndef _ASM_WORD_AT_A_TIME_H #define _ASM_WORD_AT_A_TIME_H -#include <linux/kernel.h> +#include <linux/bitops.h> +#include <linux/wordpart.h> /* * This is largely generic for little-endian machines, but the diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 2d6cdeab1f8a..6bb42b4fddb4 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -47,6 +47,7 @@ #include <linux/kern_levels.h> #include <linux/kstrtox.h> #include <linux/kthread.h> +#include <linux/wordpart.h> #include <asm/page.h> #include <asm/memtype.h> |