From: Catalin Marinas <catalin.marinas@arm.com>
To: Ard Biesheuvel <ardb@kernel.org>, linux-arm-kernel@lists.infradead.org
Cc: Will Deacon <will@kernel.org>,
mark.rutland@arm.com, maz@kernel.org, steve.capper@arm.com,
anshuman.khandual@arm.com
Subject: Re: [PATCH v2] arm64: mm: limit linear region to 51 bits for KVM in nVHE mode
Date: Thu, 9 Sep 2021 18:40:39 +0100 [thread overview]
Message-ID: <163120923013.903527.4386509169390201585.b4-ty@arm.com> (raw)
In-Reply-To: <20210826165613.60774-1-ardb@kernel.org>
On Thu, 26 Aug 2021 18:56:13 +0200, Ard Biesheuvel wrote:
> KVM in nVHE mode divides up its VA space into two equal halves, and
> picks the half that does not conflict with the HYP ID map to map its
> linear region. This worked fine when the kernel's linear map itself was
> guaranteed to cover precisely as many bits of VA space, but this was
> changed by commit f4693c2716b35d08 ("arm64: mm: extend linear region for
> 52-bit VA configurations").
>
> [...]
Applied to arm64 (for-next/core), thanks!
[1/1] arm64: mm: limit linear region to 51 bits for KVM in nVHE mode
https://git.kernel.org/arm64/c/88053ec8cb1b
--
Catalin
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prev parent reply other threads:[~2021-09-09 17:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-26 16:56 [PATCH v2] arm64: mm: limit linear region to 51 bits for KVM in nVHE mode Ard Biesheuvel
2021-09-09 17:40 ` Catalin Marinas [this message]
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