From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B72834C80; Sun, 11 May 2025 19:23:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746991423; cv=none; b=WL77pKWVg9MOeXiEvl8EFQLtEhJvwAZHHhpR4/vdx5zuVMyW2p5QuVDqQSeRFQCU8g6due+9h7zHvbovp+d3ZGTCvjzJYUwJ41GwJ6pLDxQlXUZnYBqDoPzFusR+rclHee9vQ+44vpDNkNFImHNArNHnQAi5qyRZQtLa06i3xtw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746991423; c=relaxed/simple; bh=+OTFpMuvTlo08V9NAG4jWSYjc1KKfYrxW9G1gMBm4Jc=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=NjHpGhxudYrpWTodFqTWI2fROcI7A8BKUZ7nnJQiSy3cp0qUBjJjZYu4JwXihPOY7PUL5l3rHGiOVRechJXZ0v7vM2MeoNbhULeEaQ0QsuPvJivI86yfqTXJxsgIsnIdAGQIQWelZorh5uQ9y8GKbfN/p/bZvk2m/RhcwwvRiO8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=h7n0X8ru; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="h7n0X8ru" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=bggfRofGtQv41sMq7DiElPPeAu0aUPI8Xjg9f5re5GQ=; t=1746991421; x=1748201021; b=h7n0X8rurifnDVzA3O6Il4/0eE3Pfp3bYUP92JyWkaAFfk4 BY/kLa8IZLMUycaIKLnNqU6n3xdf7C3un9QV5U74Vo/m63wHjZ12GEFAqxp68nqhhzmHpZkFSds4J WHEiRDDaI1DebkgKMYxLH8e+O2T4LrHOTVqcll2UZSo9a2XEdr+axkTbsewsnnizCfzFByZNwnHE2 myUgmpoqMrv4I1LHvuS4di/Xcu2PWiRLUghl3vUYkGsxMGS1OqzP0mK66zoO5VBDSUYiCgfj7O2D1 sn7u0hpaLj6et2PJmoZasiMTyv0fCopec3q+GJ/vdF0ZK09kvMwnJS41iTMRXg/w==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.98.1) (envelope-from ) id 1uECGm-00000001bBk-3lWn; Sun, 11 May 2025 21:23:29 +0200 Message-ID: Subject: Re: [PATCH 6.12] Revert "um: work around sched_yield not yielding in time-travel mode" From: Johannes Berg To: Christian Lamparter , linux-kernel@vger.kernel.org, linux-um@lists.infradead.org Cc: benjamin.berg@intel.com, sashal@kernel.org, richard@nod.at, stable@vger.kernel.org Date: Sun, 11 May 2025 21:23:28 +0200 In-Reply-To: <20250509095040.33355-1-chunkeey@gmail.com> References: <20250509095040.33355-1-chunkeey@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.54.3 (3.54.3-1.fc41) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-malware-bazaar: not-scanned On Fri, 2025-05-09 at 11:50 +0200, Christian Lamparter wrote: >=20 > What's interessting/very strange strange about this time-travel stuff: > > commit 0b8b2668f998 ("um: insert scheduler ticks when userspace does no= t yield") >=20 > $ git describe 0b8b2668f998 > =3D> v6.12-rc2-43-g0b8b2668f998 >=20 Come to think of it, often you just want "git describe --contains": $ git describe --contains --match=3Dv* 0b8b2668f998 v6.13-rc1~18^2~25 johannes