From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793373848; b=vXUxlrw94Ja7rE3klSep3SEte4kAG83ZODO1XLH12iHEL7xTNheqWBUF/a0AlyHVqJEv 0NJ88NA7BZdlpuWD/87S6G1wiWkj6Nd7PC9949ftJUOqAr+nD/deuLEB5vmQMLOaA6OCx AtRM4qQy1HqtnP6sLoSBWo7a7ulwYpIh2si/BN1Y3ipfX1KlV//qQ+3QCOwWcYHfYmbtF YeAvoY/ZwHbXBsOSix9LOcb/Lnh56Ghxms/6ljNxhy9ze3wiXS0KUpR5uj2yPKJ2v2l8Y jvdM4ziDNxm2SUP2sKAWSDSFV/Ov3lIvRTQRnwCx4smUAMxMj5zzzSwal2wxWdwVP4A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793373848; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=s7ubXvYBNdVBbcenw63tY91KBxghVOR0nP6tzsowUhg=; b=pXJvSeoR56gDuWG8aP+3W6EK769ouirx/BSHbJ/Z8jE7gENdJXrDp3P8f9RKqGKtifu5 LICugO79U0L7yddfyIYfRElufIBikQcj9u6FgmP/8d67qZHpLk1PQ0VV8sHT8ggkjSji2 W4jbqm+xsDG/63o8+hMMsuqy4WqCDAwypEHB+c69v80s5XHmMb+Efj1FTjqvfeBpqOf83 Ig9xQ5oFBDHEaUHmzdcChYdcA+xPLSuipBNLdUVn6RXhd/8Y2Mt3QgXeI2PQXFuhP2BqJ wg0zQd0AdhZEX8Vs7nlOeWxnTbKKxZnYvYmlaGCTcEXvNn6J7Xxl5G7CzeojUGLsVjg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RQm8Z8qB; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 531C8606A31D for ; Fri, 30 Oct 2026 15:24:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RQm8Z8qB Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD4221F000C1; Fri, 30 Oct 2026 15:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793373847; bh=s7ubXvYBNdVBbcenw63tY91KBxghVOR0nP6tzsowUhg=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=RQm8Z8qBcIpe6fYhw6Ltq8uR88uJccNuqt9tpTQleFAFtyHZrq0ehq2YHL2nzC6vC qYdO/A9U+SAjtFlvLmpjOPzILe/IYYY2IzViNk3ARFBd0Tu83tk3ZDJa7gVnwFbXNy kpE7FHZZnn6RDJetu1IAvi1RFHzfc3VzgOp9ajU67Sf6JwM8iyLCccCVvCUyWNyUl/ n7KTP4x8FB51tsx6vRGRAu83bZeL7fnzKqjad5con3aeGHvcuakpM0LTpPRIWepG7E vC8XLxg77qvomCO/KRpry8J2xG5sQ6TDZB882fhFPC7lQSF9t6hIiIMRy1ADYMl/sR 3WbR8KB2/7NIQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 03/14] perf cs-etm: Break branch history when instruction memory is unavailable Reply-To: sashiko-reviews@lists.linux.dev To: "Leo Yan" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261030-perf_cs_etm_fix_non_taken-v3-3-7629b52ab047@arm.com> References: <20261030-perf_cs_etm_fix_non_taken-v3-0-7629b52ab047@arm.com> <20261030-perf_cs_etm_fix_non_taken-v3-3-7629b52ab047@arm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 30 Oct 2026 15:24:07 +0000 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > The decoder currently ignores OCSD_GEN_TRC_ELEM_ADDR_NACC, allowing a > subsequent range to be paired with stale branch history from before the > unreadable code. >=20 > Treat an inaccessible instruction address as a discontinuity and flush > the pending range and branch history before processing subsequent > elements. >=20 > Reviewed-by: James Clark > Signed-off-by: Leo Yan Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261030-perf_cs_et= m_fix_non_taken-v3-0-7629b52ab047@arm.com?part=3D3