From: Catalin Marinas <catalin.marinas@arm.com>
To: Will Deacon <will@kernel.org>, Mark Brown <broonie@kernel.org>
Cc: Dave Martin <Dave.Martin@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] arm64/ptrace: Use saved floating point state type to determine SVE layout
Date: Wed, 3 Apr 2024 16:06:38 +0100 [thread overview]
Message-ID: <171215679415.2136188.8838449707596683303.b4-ty@arm.com> (raw)
In-Reply-To: <20240325-arm64-ptrace-fp-type-v1-1-8dc846caf11f@kernel.org>
On Mon, 25 Mar 2024 16:35:21 +0000, Mark Brown wrote:
> The SVE register sets have two different formats, one of which is a wrapped
> version of the standard FPSIMD register set and another with actual SVE
> register data. At present we check TIF_SVE to see if full SVE register
> state should be provided when reading the SVE regset but if we were in a
> syscall we may have saved only floating point registers even though that is
> set.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64/ptrace: Use saved floating point state type to determine SVE layout
https://git.kernel.org/arm64/c/b017a0cea627
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Will Deacon <will@kernel.org>, Mark Brown <broonie@kernel.org>
Cc: Dave Martin <Dave.Martin@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] arm64/ptrace: Use saved floating point state type to determine SVE layout
Date: Wed, 3 Apr 2024 16:06:38 +0100 [thread overview]
Message-ID: <171215679415.2136188.8838449707596683303.b4-ty@arm.com> (raw)
In-Reply-To: <20240325-arm64-ptrace-fp-type-v1-1-8dc846caf11f@kernel.org>
On Mon, 25 Mar 2024 16:35:21 +0000, Mark Brown wrote:
> The SVE register sets have two different formats, one of which is a wrapped
> version of the standard FPSIMD register set and another with actual SVE
> register data. At present we check TIF_SVE to see if full SVE register
> state should be provided when reading the SVE regset but if we were in a
> syscall we may have saved only floating point registers even though that is
> set.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64/ptrace: Use saved floating point state type to determine SVE layout
https://git.kernel.org/arm64/c/b017a0cea627
--
Catalin
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next prev parent reply other threads:[~2024-04-03 15:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-25 16:35 [PATCH] arm64/ptrace: Use saved floating point state type to determine SVE layout Mark Brown
2024-03-25 16:35 ` Mark Brown
2024-04-03 15:06 ` Catalin Marinas [this message]
2024-04-03 15:06 ` Catalin Marinas
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