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Message-ID: <20240424053940.3ypivvztvv35dpu7@treble>
Date: Tue, 23 Apr 2024 22:39:40 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org,
Stephen Rothwell <sfr@...b.auug.org.au>,
Michael Ellerman <mpe@...erman.id.au>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Will Deacon <will@...nel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v2 2/2] cpu: Ignore "mitigations" kernel parameter if
CPU_MITIGATIONS=n
On Fri, Apr 19, 2024 at 05:05:55PM -0700, Sean Christopherson wrote:
> +#ifdef CONFIG_CPU_MITIGATIONS
> extern bool cpu_mitigations_off(void);
> extern bool cpu_mitigations_auto_nosmt(void);
> +#else
> +static inline bool cpu_mitigations_off(void)
> +{
> + return false;
> +}
This should probably return true?
--
Josh
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