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| author |   Peter Zijlstra <peterz@infradead.org> | 2021-11-10 11:01:03 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-12-11 09:09:45 +0100 |
| commit | bff8c3848e071d387d8b0784dc91fa49cd563774 (patch) | |
| tree | 15b9247051bbfac2551bcbace278c62106474395 /arch/x86/include/asm/string_32.h | |
| parent | x86: Add straight-line-speculation mitigation (diff) | |
| download | linux-dev-bff8c3848e071d387d8b0784dc91fa49cd563774.tar.xz linux-dev-bff8c3848e071d387d8b0784dc91fa49cd563774.zip | |
bitfield.h: Fix "type of reg too small for mask" test
The test: 'mask > (typeof(_reg))~0ull' only works correctly when both
sides are unsigned, consider:
- 0xff000000 vs (int)~0ull
- 0x000000ff vs (int)~0ull
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211110101324.950210584@infradead.org
Diffstat (limited to 'arch/x86/include/asm/string_32.h')
0 files changed, 0 insertions, 0 deletions