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[31.30.173.61]) by smtp.gmail.com with ESMTPSA id c25-20020aa7c999000000b00457160c3c77sm5707205edt.20.2022.10.06.06.12.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Oct 2022 06:12:47 -0700 (PDT) Date: Thu, 6 Oct 2022 15:12:46 +0200 From: Andrew Jones To: Jisheng Zhang Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/8] riscv: cpufeature: detect RISCV_ALTERNATIVES_EARLY_BOOT earlier Message-ID: <20221006131246.45m2qqoqfzq6dmls@kamzik> References: <20221006070818.3616-1-jszhang@kernel.org> <20221006070818.3616-3-jszhang@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221006070818.3616-3-jszhang@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221006_061252_921032_72668BF8 X-CRM114-Status: GOOD ( 14.61 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Oct 06, 2022 at 03:08:12PM +0800, Jisheng Zhang wrote: > Now, the riscv_cpufeature_patch_func() do nothing in the stage of > RISCV_ALTERNATIVES_EARLY_BOOT. We can move the detection of "early > boot" stage earlier. > > In following patch, we will make riscv_cpufeature_patch_func() scans > all ISA extensions. > > Signed-off-by: Jisheng Zhang > --- > arch/riscv/kernel/cpufeature.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c > index 03611b3ef45e..afa54635c180 100644 > --- a/arch/riscv/kernel/cpufeature.c > +++ b/arch/riscv/kernel/cpufeature.c > @@ -307,6 +307,9 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin, > struct alt_entry *alt; > u32 tmp; > > + if (stage == RISCV_ALTERNATIVES_EARLY_BOOT) > + return; > + > for (alt = begin; alt < end; alt++) { > if (alt->vendor_id != 0) > continue; > -- > 2.37.2 > Reviewed-by: Andrew Jones _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv