linux-kernel - Re: [PATCH v3] KVM: arm64: Use BTI for nvhe

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Message-ID: <168546969288.1201076.8549235994369669662.b4-ty@linux.dev>
Date:   Tue, 30 May 2023 18:01:40 +0000
From:   Oliver Upton <oliver.upton@...ux.dev>
To:     linux-kernel@...r.kernel.org, Mostafa Saleh <smostafa@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, maz@...nel.org,
        kvmarm@...ts.linux.dev
Cc:     Oliver Upton <oliver.upton@...ux.dev>, bgardon@...gle.com,
        suzuki.poulose@....com, gshan@...hat.com, tabba@...gle.com,
        yuzenghui@...wei.com, will@...nel.org, james.morse@....com,
        qperret@...gle.com, catalin.marinas@....com
Subject: Re: [PATCH v3] KVM: arm64: Use BTI for nvhe

On Tue, 30 May 2023 15:08:45 +0000, Mostafa Saleh wrote:
> CONFIG_ARM64_BTI_KERNEL compiles the kernel to support ARMv8.5-BTI.
> However, the nvhe code doesn't make use of it as it doesn't map any
> pages with Guarded Page(GP) bit.
> 
> kvm pgtable code is modified to map executable pages with GP bit
> if BTI is enabled for the kernel.
> 
> [...]

Applied to kvmarm/next, thanks!

[1/1] KVM: arm64: Use BTI for nvhe
      https://git.kernel.org/kvmarm/kvmarm/c/b53d4a272349

--
Best,
Oliver