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[76.182.20.124]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-43ff257f055sm1475841cf.84.2024.05.30.13.37.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 May 2024 13:37:30 -0700 (PDT) Date: Thu, 30 May 2024 16:37:29 -0400 From: Josef Bacik To: Bernd Schubert Cc: Miklos Szeredi , Amir Goldstein , linux-fsdevel@vger.kernel.org, bernd.schubert@fastmail.fm, Ingo Molnar , Peter Zijlstra , Andrei Vagin Subject: Re: [PATCH RFC v2 15/19] export __wake_on_current_cpu Message-ID: <20240530203729.GG2210558@perftesting> References: <20240529-fuse-uring-for-6-9-rfc2-out-v1-0-d149476b1d65@ddn.com> <20240529-fuse-uring-for-6-9-rfc2-out-v1-15-d149476b1d65@ddn.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240529-fuse-uring-for-6-9-rfc2-out-v1-15-d149476b1d65@ddn.com> On Wed, May 29, 2024 at 08:00:50PM +0200, Bernd Schubert wrote: > This is needed by fuse-over-io-uring to wake up the waiting > application thread on the core it was submitted from. > Avoiding core switching is actually a major factor for > fuse performance improvements of fuse-over-io-uring. > > Signed-off-by: Bernd Schubert > Cc: Ingo Molnar > Cc: Peter Zijlstra > Cc: Andrei Vagin Reviewed-by: Josef Bacik Probably best to submit this as a one-off so the sched guys can take it and it's not in the middle of a fuse patchset they may be ignoring. Thanks, Josef