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authorArd Biesheuvel <[email protected]>2022-04-20 08:46:17 +0000
committerRussell King (Oracle) <[email protected]>2022-05-18 10:38:47 +0000
commit3cfb3019979666bdf33a1010147363cf05e0f17b (patch)
tree00584b7790f30d7c396b42c5e34ff0fbfa071703 /arch/arm/include/asm/assembler.h
parentARM: 9196/1: spectre-bhb: enable for Cortex-A15 (diff)
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ARM: 9197/1: spectre-bhb: fix loop8 sequence for Thumb2
In Thumb2, 'b . + 4' produces a branch instruction that uses a narrow encoding, and so it does not jump to the following instruction as expected. So use W(b) instead. Fixes: 6c7cb60bff7a ("ARM: fix Thumb2 regression with Spectre BHB") Signed-off-by: Ard Biesheuvel <[email protected]> Signed-off-by: Russell King (Oracle) <[email protected]>
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
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