Re: [tip:x86/urgent] x86/cpu: Use indirect call to measure performance in init_amd_k6()
From: Borislav Petkov
Date: Wed Jul 12 2017 - 09:48:58 EST
On Wed, Jul 12, 2017 at 06:09:57AM -0700, tip-bot for Mikulas Patocka wrote:
> Commit-ID: 429ed86b5c99b388543f6f7f6983b1230326f2bb
> Gitweb: http://git.kernel.org/tip/429ed86b5c99b388543f6f7f6983b1230326f2bb
> Author: Mikulas Patocka <mpatocka@xxxxxxxxxx>
> AuthorDate: Tue, 11 Jul 2017 07:44:05 -0400
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> CommitDate: Wed, 12 Jul 2017 10:42:32 +0200
> x86/cpu: Use indirect call to measure performance in init_amd_k6()
> This old piece of code is supposed to measure the performance of indirect
> calls to determine if the processor is buggy or not, however the compiler
> optimizer turns it into a direct call.
Are you booting on a real K6 or qemu?
ECO tip #101: Trim your mails when you reply.