diff options
| author | Linus Torvalds | 2021-11-01 15:45:14 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2021-11-01 15:45:14 -0700 |
| commit | 160729afc83c0053cb3c574b85e84574ad892bd7 (patch) | |
| tree | afc8e08dfeb5541cb0f2fe9ef1aff1809f36ae70 /tools/include | |
| parent | e0f4c59dc4d39b3e9fa61ceb4cf2384787bcd09d (diff) | |
| parent | f96b4675839b66168f5a07bf964dde6c2f1c4885 (diff) | |
Merge tag 'x86_misc_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 changes from Borislav Petkov:
- Use the proper interface for the job: get_unaligned() instead of
memcpy() in the insn decoder
- A randconfig build fix
* tag 'x86_misc_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/insn: Use get_unaligned() instead of memcpy()
x86/Kconfig: Fix an unused variable error in dell-smm-hwmon
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/asm-generic/unaligned.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/include/asm-generic/unaligned.h b/tools/include/asm-generic/unaligned.h new file mode 100644 index 000000000000..47387c607035 --- /dev/null +++ b/tools/include/asm-generic/unaligned.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copied from the kernel sources to tools/perf/: + */ + +#ifndef __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H +#define __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H + +#define __get_unaligned_t(type, ptr) ({ \ + const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \ + __pptr->x; \ +}) + +#define __put_unaligned_t(type, val, ptr) do { \ + struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \ + __pptr->x = (val); \ +} while (0) + +#define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr)) +#define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr)) + +#endif /* __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H */ + |