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Message-ID: <2A5A3BED-ACE5-4F24-B6B3-9BA4E12AE4A7@alien8.de>
Date: Sun, 22 Dec 2024 12:47:40 +0100
From: Borislav Petkov <bp@...en8.de>
To: Rik van Riel <riel@...riel.com>, x86@...nel.org
CC: linux-kernel@...r.kernel.org, kernel-team@...a.com,
dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
akpm@...ux-foundation.org
Subject: Re: [PATCH 04/10] x86,mm: use INVLPGB for kernel TLB flushes
On December 22, 2024 5:06:36 AM GMT+01:00, Rik van Riel <riel@...riel.com> wrote:
>@@ -1089,6 +1116,11 @@ static void do_kernel_range_flush(void *info)
>
> void flush_tlb_kernel_range(unsigned long start, unsigned long end)
> {
>+ if (static_cpu_has(X86_FEATURE_INVLPGB)) {
cpu_feature_enabled
--
Sent from a small device: formatting sucks and brevity is inevitable.
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