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Thu, 15 Aug 2024 09:24:59 -0400 X-MC-Unique: AWDy-QXUPCaqAvQ73czgkQ-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1AEE81955BF2; Thu, 15 Aug 2024 13:24:57 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.226.8]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 49ED23001FDD; Thu, 15 Aug 2024 13:24:51 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Thu, 15 Aug 2024 15:24:53 +0200 (CEST) Date: Thu, 15 Aug 2024 15:24:47 +0200 From: Oleg Nesterov To: Andrii Nakryiko Cc: linux-trace-kernel@vger.kernel.org, peterz@infradead.org, rostedt@goodmis.org, mhiramat@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, jolsa@kernel.org, paulmck@kernel.org, willy@infradead.org, surenb@google.com, akpm@linux-foundation.org, linux-mm@kvack.org Subject: Re: [PATCH v3 00/13] uprobes: RCU-protected hot path optimizations Message-ID: <20240815132447.GA15970@redhat.com> References: <20240813042917.506057-1-andrii@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240813042917.506057-1-andrii@kernel.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Stat-Signature: bjaatxd5frijaxc7wm34jy1pebxfdo4b X-Rspamd-Queue-Id: 08A12A000B X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1723728305-696819 X-HE-Meta: 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 CA5zcBEe ZYy2dEYjemoYVqWDjXMN7fEP5ioYMK67Ncj3rTuDoeZksJmixsI3QtDBM9X4esnaw2lfZOm+ieT5vFNeQu9HAMhBj9m9wraykT/Bn/CjR/7TjDo66LT/5+ZsgZfE24vhbPv5OfXqsGTYWI1gwKPINt/C96iUw7ZIoulDgdV2fPIFHKwHk0BAr/iYSKbu6/wQfRoFKlDn5aFJ5iZeE0GT7hX9id/cTbYJ10DKOd4D0appYsmYYBrcHAhW0g8qUvqO7DfVfZ7X2QEePIQxV6v52/zwgd6BQIWFlAeqTEo+I9G54JRQvVD9pK5f6yA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 08/12, Andrii Nakryiko wrote: > > ( In addition to previously posted first 8 patches, I'm sending 5 more as an > RFC for people to get the general gist of where this work heading and what > uprobe performance is now achievable. I think first 8 patches are ready to be > applied and I'd appreciate early feedback on the remaining 5 ones. I didn't read the "RFC" patches yet, will try to do on weekend. As for 1-8, I failed to find any problem: Reviewed-by: Oleg Nesterov