Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc: avoid broken GCC __attribute__((optimize)) | Date | Wed, 25 Nov 2020 22:57:41 +1100 (AEDT) |
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On Wed, 28 Oct 2020 09:04:33 +0100, Ard Biesheuvel wrote: > Commit 7053f80d9696 ("powerpc/64: Prevent stack protection in early boot") > introduced a couple of uses of __attribute__((optimize)) with function > scope, to disable the stack protector in some early boot code. > > Unfortunately, and this is documented in the GCC man pages [0], overriding > function attributes for optimization is broken, and is only supported for > debug scenarios, not for production: the problem appears to be that > setting GCC -f flags using this method will cause it to forget about some > or all other optimization settings that have been applied. > > [...]
Applied to powerpc/next.
[1/1] powerpc: Avoid broken GCC __attribute__((optimize)) https://git.kernel.org/powerpc/c/a7223f5bfcaeade4a86d35263493bcda6c940891
cheers
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