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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id h186sm17651256pfb.63.2019.10.29.10.41.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Oct 2019 10:41:07 -0700 (PDT) Date: Tue, 29 Oct 2019 10:41:05 -0700 From: Bjorn Andersson To: Will Deacon Subject: Re: [PATCH v2] arm64: cpufeature: Enable Qualcomm Falkor/Kryo errata 1003 Message-ID: <20191029174105.GZ571@minitux> References: <20191029171539.1374553-1-bjorn.andersson@linaro.org> <20191029173915.GC13281@willie-the-truck> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191029173915.GC13281@willie-the-truck> User-Agent: Mutt/1.12.2 (2019-09-21) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191029_104109_274493_02BA2F56 X-CRM114-Status: GOOD ( 19.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Suzuki K Poulose , Catalin Marinas , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Mark Brown , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue 29 Oct 10:39 PDT 2019, Will Deacon wrote: > On Tue, Oct 29, 2019 at 10:15:39AM -0700, Bjorn Andersson wrote: > > With the introduction of 'cce360b54ce6 ("arm64: capabilities: Filter the > > entries based on a given mask")' the Qualcomm Falkor/Kryo errata 1003 is > > no long applied. > > > > The result of not applying errata 1003 is that MSM8996 runs into various > > RCU stalls and fails to boot most of the times. > > > > Give 1003 a "type" to ensure they are not filtered out in > > update_cpu_capabilities(). > > > > Fixes: cce360b54ce6 ("arm64: capabilities: Filter the entries based on a given mask") > > Cc: stable@vger.kernel.org > > Reported-by: Mark Brown > > Suggested-by: Will Deacon > > Signed-off-by: Bjorn Andersson > > --- > > > > Changes since v1: > > - s/ARM64_CPUCAP_SCOPE_LOCAL_CPU/ARM64_CPUCAP_LOCAL_CPU_ERRATUM/ > > - Dropped 1009 "fix" as it already had a type from ERRATA_MIDR_RANGE_LIST() > > > > arch/arm64/kernel/cpu_errata.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c > > index df9465120e2f..3facd5ca52ed 100644 > > --- a/arch/arm64/kernel/cpu_errata.c > > +++ b/arch/arm64/kernel/cpu_errata.c > > @@ -780,6 +780,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { > > { > > .desc = "Qualcomm Technologies Falkor/Kryo erratum 1003", > > .capability = ARM64_WORKAROUND_QCOM_FALKOR_E1003, > > + .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, > > .matches = cpucap_multi_entry_cap_matches, > > .match_list = qcom_erratum_1003_list, > > }, > > -- > > 2.23.0 > > Thanks, I'll pick this up as a fix. > Thank you! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel