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([2620:10d:c090:400::5:4d27]) by smtp.gmail.com with ESMTPSA id c193sm10174092pfc.180.2021.03.26.16.10.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Mar 2021 16:10:57 -0700 (PDT) Subject: Re: [PATCH] livepatch: Replace the fake signal sending with TIF_NOTIFY_SIGNAL infrastructure To: Miroslav Benes , jpoimboe@redhat.com, jikos@kernel.org, pmladek@suse.com, joe.lawrence@redhat.com Cc: live-patching@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210326143021.17773-1-mbenes@suse.cz> From: Jens Axboe Message-ID: Date: Fri, 26 Mar 2021 17:10:55 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210326143021.17773-1-mbenes@suse.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/26/21 8:30 AM, Miroslav Benes wrote: > Livepatch sends a fake signal to all remaining blocking tasks of a > running transition after a set period of time. It uses TIF_SIGPENDING > flag for the purpose. Commit 12db8b690010 ("entry: Add support for > TIF_NOTIFY_SIGNAL") added a generic infrastructure to achieve the same. > Replace our bespoke solution with the generic one. > > Signed-off-by: Miroslav Benes Looks good to me. Reviewed-by: Jens Axboe -- Jens Axboe