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Date: Fri, 20 Jun 2014 20:05:23 +0200 From: Borislav Petkov <bp@...en8.de> To: "H. Peter Anvin" <hpa@...or.com> Cc: Dave Hansen <dave@...1.net>, linux-kernel@...r.kernel.org, x86@...nel.org, Andi Kleen <ak@...ux.intel.com>, Dave Jones <davej@...hat.com> Subject: Re: [RFC][PATCH 3/3] x86: make MP a required-feature on 64-bit On Fri, Jun 20, 2014 at 10:47:22AM -0700, H. Peter Anvin wrote: > This is run before static_cpu_has(). static_cpu_has_safe() then - I didn't do it for no reason :-) > The point, though, was that we "enforce" (taint) on 32 bits but not on > 64 bits, which is clearly wrong. Yeah, K7 is 32-bit only. > My inclination is to completely kill amd_k7_smp_check() entirely, > since noone seems to know when it actually matters and it is clearly > historic. I think DaveJ should know something about it - he gave that impression last time when we were discussing 8c90487cdc64 ("Rename TAINT_UNSAFE_SMP to TAINT_CPU_OUT_OF_SPEC"). CCed. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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