From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: stable@vger.kernel.org
Cc: suzuki.poulose@arm.com, gregkh@linuxfoundation.org,
will@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com,
maz@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [stable-4.4][PATCH 0/2] arm64: cpufeature: Fix truncating a feature value
Date: Mon, 14 Oct 2019 13:32:52 +0100 [thread overview]
Message-ID: <20191014123254.22002-1-suzuki.poulose@arm.com> (raw)
This series fixes the issue with arm64_ftr_value() where the signed
fields are truncated to unsigned values corrupting the system wide
safe values.
Suzuki K Poulose (2):
arm64: capabilities: Handle sign of the feature bit
arm64: Rename cpuid_feature field extract routines
arch/arm64/include/asm/cpufeature.h | 29 +++++++++++++++---------
arch/arm64/kernel/cpufeature.c | 35 ++++++++++++++++-------------
arch/arm64/kernel/debug-monitors.c | 2 +-
arch/arm64/kvm/sys_regs.c | 2 +-
arch/arm64/mm/context.c | 3 ++-
5 files changed, 42 insertions(+), 29 deletions(-)
--
2.21.0
next reply other threads:[~2019-10-14 12:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-14 12:32 Suzuki K Poulose [this message]
2019-10-14 12:32 ` [stable-4.4][PATCH 1/2] arm64: capabilities: Handle sign of the feature bit Suzuki K Poulose
2019-10-14 12:32 ` [stable-4.4][PATCH 2/2] arm64: Rename cpuid_feature field extract routines Suzuki K Poulose
2019-10-14 23:28 ` [stable-4.4][PATCH 0/2] arm64: cpufeature: Fix truncating a feature value Sasha Levin
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