From: Ingo Molnar <mingo@kernel.org>
To: David Woodhouse <dwmw@amazon.co.uk>
Cc: tglx@linutronix.de, x86@kernel.org, kvm@vger.kernel.org,
torvalds@linux-foundation.org, pbonzini@redhat.com,
linux-kernel@vger.kernel.org, arjan.van.de.ven@intel.com,
dave.hansen@intel.com
Subject: Re: [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs
Date: Tue, 13 Feb 2018 08:47:38 +0100 [thread overview]
Message-ID: <20180213074738.nrohmtchyr6fddhm@gmail.com> (raw)
In-Reply-To: <1518449255-2182-2-git-send-email-dwmw@amazon.co.uk>
* David Woodhouse <dwmw@amazon.co.uk> wrote:
> +extern enum spectre_v2_mitigation spectre_v2_enabled;
This needs to be exported if the KVM module wants to use it.
> +static inline bool spectre_v2_ibrs_all(void)
> +{
> + return spectre_v2_enabled == SPECTRE_V2_IBRS_ALL;
> +}
> + if (vmx->spec_ctrl && !spectre_v2_ibrs_all())
> + if (!spectre_v2_ibrs_all) {
erm, that's a function, not a flag ...
Thanks,
Ingo
next prev parent reply other threads:[~2018-02-13 7:47 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-12 15:27 [PATCH 1/2] x86/speculation: Correct Speculation Control microcode blacklist again David Woodhouse
2018-02-12 15:27 ` [PATCH 2/2] x86/speculation: Support "Enhanced IBRS" on future CPUs David Woodhouse
2018-02-13 7:47 ` Ingo Molnar [this message]
2018-02-13 8:12 ` David Woodhouse
2018-02-13 8:02 ` Paolo Bonzini
2018-02-13 8:15 ` David Woodhouse
2018-02-13 9:58 ` Paolo Bonzini
2018-02-13 10:21 ` David Woodhouse
2018-02-13 10:36 ` David Woodhouse
2018-02-13 10:41 ` Paolo Bonzini
2018-02-13 10:53 ` David Woodhouse
2018-02-13 10:55 ` Paolo Bonzini
2018-02-16 9:58 ` David Woodhouse
2018-02-16 10:08 ` Paolo Bonzini
2018-02-16 10:21 ` David Woodhouse
2018-02-16 11:04 ` Paolo Bonzini
2018-02-16 12:10 ` David Woodhouse
2018-02-19 23:37 ` Jon Masters
2018-02-19 23:42 ` Van De Ven, Arjan
2018-02-19 23:53 ` valdis.kletnieks
2018-02-20 0:00 ` Van De Ven, Arjan
2018-02-20 0:13 ` Alan Cox
2018-02-20 0:43 ` Linus Torvalds
2018-02-20 1:03 ` Alan Cox
2018-02-20 1:08 ` Van De Ven, Arjan
2018-02-20 8:52 ` Thomas Gleixner
2018-02-20 11:43 ` Paolo Bonzini
2018-02-20 14:08 ` Van De Ven, Arjan
2018-02-20 14:46 ` Paolo Bonzini
2018-02-20 14:59 ` Van De Ven, Arjan
2018-02-20 15:09 ` Paolo Bonzini
2018-02-23 18:12 ` Is: RSB Alternative bit in IA32_ARCH_CAPABILITIES Was:Re: " Konrad Rzeszutek Wilk
2018-02-23 18:18 ` Van De Ven, Arjan
2018-02-15 15:21 ` Pavel Machek
2018-02-13 8:57 ` [tip:x86/pti] x86/speculation: Correct Speculation Control microcode blacklist again tip-bot for David Woodhouse
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