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Wed, 31 Jul 2019 20:36:01 -0700 (PDT) Date: Thu, 1 Aug 2019 09:05:59 +0530 From: Viresh Kumar To: Mark Rutland Subject: Re: [PATCH v4.4 V2 15/43] arm64: Move cpu_die_early to smp.c Message-ID: <20190801033559.23bovxwguppb7bbr@vireshk-i7> References: <20190731123532.GA39768@lakrids.cambridge.arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190731123532.GA39768@lakrids.cambridge.arm.com> User-Agent: NeoMutt/20180716-391-311a52 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190731_203605_690790_DC0A6A78 X-CRM114-Status: GOOD ( 12.50 ) 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: Julien Thierry , Marc Zyngier , Catalin Marinas , Will Deacon , stable@vger.kernel.org, mark.brown@arm.com, Russell King , 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 31-07-19, 13:35, Mark Rutland wrote: > On Fri, Jul 12, 2019 at 10:58:03AM +0530, Viresh Kumar wrote: > > From: Suzuki K Poulose > > > > commit fce6361fe9b0caeba0c05b7d72ceda406f8780df upstream. > > > > This patch moves cpu_die_early to smp.c, where it fits better. > > No functional changes, except for adding the necessary checks > > for CONFIG_HOTPLUG_CPU. > > > > Cc: Mark Rutland > > Acked-by: Will Deacon > > Signed-off-by: Suzuki K Poulose > > Signed-off-by: Catalin Marinas > > [ Viresh: Resolved rebase conflict ] > > Signed-off-by: Viresh Kumar > > > +void cpu_die_early(void) > > > + asm( > > + "1: wfe\n" > > + " wfi\n" > > + " b 1b"); > > +} > > Rather than open-coding this loop differently from upstream and the > v4.9.y backport, please backport commit: > > c4bc34d20273db69 ("arm64: Add a helper for parking CPUs in a loop") > > ... as a prerequisite of this patch. Done, thanks. -- viresh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel