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=1793111759; b=ALsKPRKRW6NdLKwRwpKQ1DxWtZdtAZIUidWQ62Jcj5LsXhn1ZCIIfdXPYmDpFnZIqsGa 6v7dJE0NWrYp5zgqSus9SCLMhV0hdHYO9vJnUCKPN/seS2BSBgqfSPSwy2XJQCWII+vQD OS+yXPIEMS1avCSGLjkwsiCjY9SbifFNrrEohGDtegDURW9rb2CS+SmBWGbP49hsv+sHU Cfh/ImF8JxZ1XrBq9ff7o3cOVztHVoD/1KULN0s8g3NcfpsPLzqVpxyJ1qOAt74NzHvvC R4l2+Dqx9/8Oj0IZZHKuQXv9X0viBZe/5QLmJDeXwqyCxwgpNHrWKf+IAEfB8FqKTmw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793111759; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=h+G5CeLd5LQFvlYaKeJNk/hZ2i3mfdUahbHxlwM6mv0=; b=G4txgyM6cEHOV14rwkKH5bV+7tgDdz46Ikpt2AF+fHlZXXdzxnLPcmwbynaox4bTLF34 HpqNA/nY9omzmard4fWjBjDgZIvt+GZ7hn+Hb/oOvkHaxf4dwAe83v45hEGoK/NGhIA8N sUggGnFT5214RmsmL0iLUcjpd972m1+VExMgbt0ZgZ1gY4ROIx+pnoI6kjfAklUMQ03l7 ckAceVNsbtMrHseSHeERo/LCos2AO0f2CerCjBI424HVZ06Q7Xoa+KWlv3ONjIBX9p858 +FjomRIIKmeP1Bgi2qVx0H11fcySxyGPqtUCpWP007aeflyRHVSX/gUWTiwe5ETVxAA== 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=AUpDL2Sn; 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 C6D7D606A31D for ; Tue, 27 Oct 2026 14:35:58 +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=AUpDL2Sn Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A3771F01828; Tue, 27 Oct 2026 14:35:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793111758; bh=h+G5CeLd5LQFvlYaKeJNk/hZ2i3mfdUahbHxlwM6mv0=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=AUpDL2SnBj0t85o985jST5Ofx6gfb+EXmq8VvkjFHszUDhWXsGNVyP/DhbU874LPr m+UiER8ltjN+23y78zzFEwr8cMUoHF3FtHOgtLCa+O8J9UDg/SPtu7Xdhv6VfV18BQ tzxiPvPSzCVPu+yrHMg+TKlyI4iXRn20S0YIno8j8kPAvIjmNJFb4rwPt7KqljFoPx 7daSyf9x9P32N8zHac4de9ABIZ4NHn3xIkfjunW+4/A/Cxy74Z7iXYlCgwTs7bsJMx k7rO7XvFEnKc6z+DcDWo+Rnz5N/ANQJWGJBuiX/8VmFOtjx8q1RK8aFC9TV5K5gFzC bHMq9TFmJb6zQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 01/10] s390/jump_label: Serialize text patching with text_mutex Reply-To: sashiko-reviews@lists.linux.dev To: "Heiko Carstens" Cc: linux-s390@vger.kernel.org, "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261027143030.3154657-2-hca@linux.ibm.com> References: <20261027143030.3154657-1-hca@linux.ibm.com> <20261027143030.3154657-2-hca@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 27 Oct 2026 14:35:57 +0000 X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Acquire text_mutex around the verify-then-patch sequence in > jump_label_transform(). This way s390 uses text_mutex like other > architectures and does not need to rely on other implicit semantics > (e.g. no kprobe can be set on a jump label). >=20 > This is part of larger series where at the end s390_kernel_write() > requires that callers hold text_mutex for serialization. >=20 > Signed-off-by: Heiko Carstens Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261027143030.3154= 657-1-hca@linux.ibm.com?part=3D1