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Date: Sat, 16 Jan 2016 20:36:58 +0100 From: Borislav Petkov <bp@...e.de> To: Brian Gerst <brgerst@...il.com> Cc: x86@...nel.org, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>, "H. Peter Anvin" <hpa@...or.com>, Denys Vlasenko <dvlasenk@...hat.com>, Andy Lutomirski <luto@...capital.net>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: [PATCH] x86: static_cpu_has_safe: discard dynamic check after init On Sat, Jan 16, 2016 at 02:22:04PM -0500, Brian Gerst wrote: > Move the code to do the dynamic check to the init text section so that it > is discarded after alternatives have run and a static branch has been > chosen. > > A new section is defined to avoid warnings with modpost due to references > to init text from main text, which in this case is legitimate. All such > references are patched out before init mem is discarded. And we're doing this because...? Space savings? How much are we talkin'? -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
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