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x86/retpoline: Add new mode RETPOLINE_UNDERFLOW

Andi Kleen lkml 1 version In review

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  1. v1 Latest4 patches 2 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/4x86/retpoline: Add new mode RETPOLINE_UNDERFLOWarch/x86/include/asm/cpufeatures.h arch/x86/include/asm/nospec-branch.h arch/x86/kernel/cpu/bugs.c+56 -02 replies
2/4x86/retpoline: Avoid return buffer underflows on context switcharch/x86/entry/entry_32.S arch/x86/entry/entry_64.S+28 -00 replies
3/4x86/retpoline: Fill return buffer after idlearch/x86/include/asm/mwait.h arch/x86/kernel/process.c+10 -10 replies
4/4x86/retpoline: Fill return buffer on interrupt return to kernelarch/x86/entry/entry_32.S arch/x86/entry/entry_64.S+35 -30 replies

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