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SubjectRe: [PATCH] arch: x86: power: cpu: init %gs before __restore_processor_state (clang)
On Tue, Sep 15, 2020 at 11:36:13AM -0700, Roman Kiryanov wrote:
> This is fair. Unfortunately I am not an x86 asm expert. I expect the proper
> fix should land into arch/x86/kernel/acpi/wakeup_64.S to init %gs
> (maybe some more registers) before "jmp restore_processor_state".

... because "LLVM appears to be inlining functions with stack protectors
into functions compiled with -fno-stack-protector" and now the *kernel*
needs to init %gs?

How about LLVM stops doing those wrong inlining decisions?


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