From: Sasha Levin <sashal@kernel.org>
To: Mark Brown <broonie@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Marek Szyprowski <m.szyprowski@samsung.com>,
Catalin Marinas <catalin.marinas@arm.com>,
will@kernel.org, maz@kernel.org, mark.rutland@arm.com,
vladimir.murzin@arm.com, joey.gouly@arm.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH AUTOSEL 5.18 063/159] arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding()
Date: Sun, 5 Jun 2022 09:13:37 -0400 [thread overview]
Message-ID: <YpysAawJlYpkIurm@sashalap> (raw)
In-Reply-To: <YpTR7/g7R73RCJBj@sirena.org.uk>
On Mon, May 30, 2022 at 04:17:19PM +0200, Mark Brown wrote:
>On Mon, May 30, 2022 at 09:22:48AM -0400, Sasha Levin wrote:
>> From: Mark Brown <broonie@kernel.org>
>>
>> [ Upstream commit 8a58bcd00e2e8d46afce468adc09fcd7968f514c ]
>>
>> We need to explicitly enumerate all the ID registers which we rely on
>> for CPU capabilities in __read_sysreg_by_encoding(), ID_AA64SMFR0_EL1 was
>> missed from this list so we trip a BUG() in paths which rely on that
>> function such as CPU hotplug. Add the register.
>
>> + read_sysreg_case(SYS_ID_AA64SMFR0_EL1);
>
>This won't build on v5.18 since it does not contain SME support
>and therefore lacks the definition for the SME feature register.
Dropped, thanks!
--
Thanks,
Sasha
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next prev parent reply other threads:[~2022-06-05 13:15 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220530132425.1929512-1-sashal@kernel.org>
2022-05-30 13:22 ` [PATCH AUTOSEL 5.18 041/159] cpuidle: PSCI: Improve support for suspend-to-RAM for PSCI OSI mode Sasha Levin
2022-05-30 13:22 ` [PATCH AUTOSEL 5.18 057/159] drm/sun4i: Add support for D1 TCONs Sasha Levin
2022-05-30 13:22 ` [PATCH AUTOSEL 5.18 063/159] arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding() Sasha Levin
2022-05-30 14:17 ` Mark Brown
2022-06-05 13:13 ` Sasha Levin [this message]
2022-05-30 13:22 ` [PATCH AUTOSEL 5.18 069/159] arm64: compat: Do not treat syscall number as ESR_ELx for a bad syscall Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 084/159] regulator: mt6315: Enforce regulator-compatible, not name Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 099/159] spi: stm32-qspi: Fix wait_cmd timeout in APM mode Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 109/159] mt76: mt7915: accept rx frames with non-standard VHT MCS10-11 Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 110/159] mt76: mt7921: " Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 111/159] mt76: fix encap offload ethernet type check Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 112/159] media: rga: fix possible memory leak in rga_probe Sasha Levin
2022-05-30 13:23 ` [PATCH AUTOSEL 5.18 123/159] media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko Sasha Levin
2022-05-30 13:24 ` [PATCH AUTOSEL 5.18 135/159] media: exynos4-is: Fix compile warning Sasha Levin
2022-05-30 13:24 ` [PATCH AUTOSEL 5.18 147/159] ARM: 9201/1: spectre-bhb: rely on linker to emit cross-section literal loads Sasha Levin
2022-05-30 13:32 ` Ard Biesheuvel
2022-05-30 15:25 ` Greg KH
2022-05-30 15:56 ` Ard Biesheuvel
2022-05-30 19:37 ` Greg KH
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