From: Catalin Marinas <catalin.marinas@arm.com>
To: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org,
anshuman.khandual@arm.com, aruna.ramakrishna@oracle.com,
broonie@kernel.org, dave.hansen@linux.intel.com,
dave.martin@arm.com, jeffxu@chromium.org, joey.gouly@arm.com,
shuah@kernel.org, will@kernel.org,
linux-kselftest@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH 2/5] arm64: signal: Remove unnecessary check when saving POE state
Date: Mon, 21 Oct 2024 14:02:18 +0100 [thread overview]
Message-ID: <ZxZQ2qjQmMmY9Aht@arm.com> (raw)
In-Reply-To: <20241017133909.3837547-3-kevin.brodsky@arm.com>
On Thu, Oct 17, 2024 at 02:39:06PM +0100, Kevin Brodsky wrote:
> The POE frame record is allocated unconditionally if POE is
> supported. If the allocation fails, a SIGSEGV is delivered before
> setup_sigframe() can be reached. As a result there is no need to
> check that poe_offset has been checked before saving POR_EL0; this
> is in line with other frame records (FPMR, TPIDR2).
>
> Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2024-10-21 13:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-17 13:39 [PATCH 0/5] Improve arm64 pkeys handling in signal delivery Kevin Brodsky
2024-10-17 13:39 ` [PATCH 1/5] arm64: signal: Remove unused macro Kevin Brodsky
2024-10-17 15:49 ` Dave Martin
2024-10-21 10:05 ` Kevin Brodsky
2024-10-21 13:44 ` Dave Martin
2024-10-21 13:01 ` Catalin Marinas
2024-10-17 13:39 ` [PATCH 2/5] arm64: signal: Remove unnecessary check when saving POE state Kevin Brodsky
2024-10-17 13:52 ` Mark Brown
2024-10-17 15:49 ` Dave Martin
2024-10-21 13:02 ` Catalin Marinas [this message]
2024-10-17 13:39 ` [PATCH 3/5] arm64: signal: Improve POR_EL0 handling to avoid uaccess failures Kevin Brodsky
2024-10-17 15:53 ` Dave Martin
2024-10-21 10:06 ` Kevin Brodsky
2024-10-21 13:43 ` Dave Martin
2024-10-22 12:34 ` Kevin Brodsky
2024-10-22 12:38 ` Dave Martin
2024-10-21 14:38 ` Dave Martin
2024-10-17 13:39 ` [PATCH 4/5] selftests/mm: Use generic pkey register manipulation Kevin Brodsky
2024-10-17 13:39 ` [PATCH 5/5] selftests/mm: Enable pkey_sighandler_tests on arm64 Kevin Brodsky
2024-10-17 15:48 ` [PATCH 0/5] Improve arm64 pkeys handling in signal delivery Dave Martin
2024-10-21 10:06 ` Kevin Brodsky
2024-10-21 13:31 ` Dave Martin
2024-10-21 15:30 ` Catalin Marinas
2024-10-21 17:19 ` Will Deacon
2024-10-22 10:45 ` Catalin Marinas
2024-10-22 9:31 ` Pierre Langlois
2024-10-22 10:40 ` Stephen Röttger
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