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=1794579957; b=TrT0HFGb1pGTDbGX/8teLSnmwz3fFJEZphipdS8mFCmy65x8NTv/QNIqeCVdlbX1LX6Z b3RZf+ETmcnNVuA91CpFcFS098wKNz438qGrEgWGNX92OuCL1IwIH/hdqJyB7xBDEaMmI kVQUFjYqyq2bKW5/LFIjfARjLOVLUh1JX66m6m0ivlnbIyErJNX7wLs0oKnqoiCoylP2k xcngD5o9Zu16A/bycsgWFu8PFQU3d0MDllD+wfNBUiCSnR4qgM+WubwAPBnpFsCZcokeW Ihq/95no6Dps2jFkaWIu/3Mao1iAGLFG/6fjUOKqoAbqz/xWwisj3Ie/ppnushWxqQg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794579957; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=WAexHDbSw9xWcxSUvvupC9oApktN7GEooOnFMz2Zc7M=; b=l8xoEWZYixRcyEFR0VQoWgFnwP4b5d0kvofPNT9ZL6mWeJrFpvokf9D9Odb+OJvnQ7jg P5o1ApDmMQIV7HWbh2VtlQKae6/WwOUzOdrnxeLgtiL5IcyhooL8qhhUHU7bMIFtw4sWX qQF8PgmRW5682kazWL9oyb5qi8v6Qyaf2diU4UqmGy6K4AuEpmDfBUOgu4lq2dDXvamL5 XC+/Q/ylNGRkl7cu5Rb+AfImJYn5ufv9SAMTxEGih+wlLXzzlxRl/xwj/GWKBj4un2+uC Sw2QsQI8oht7yS7MfUJJU0YBd3WvCcpVqpeH53+qKjyaDW9+Lsfyw6YBmsgr14KNvAg== 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=WfMoihxF; 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 5770A606A323 for ; Fri, 13 Nov 2026 14:25:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=WfMoihxF Received: by smtp.kernel.org (Postfix) with ESMTPSA id A868E1F000C4; Fri, 13 Nov 2026 14:25:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794579957; bh=WAexHDbSw9xWcxSUvvupC9oApktN7GEooOnFMz2Zc7M=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=WfMoihxFyCKWDwY9FgKkHT0DjtSLGNuAm8bNu1CklEymfD4m1VDTSMTcIAMVNioal GSOlVDKGzfH47ck0biZSA7vzzvgKKJLh5ScPtEsuaUwBi4x3j/eRdKfthUycigSlGV WwjdVdmdWETHCZSQ5GnDV2P3Ouvt73PCSG98zTfFjD5UEADLHLYEuLfGpZd3hKS2Mk nrgUNdSmNRR3VPbqMpjp89TiCzTpmrTLgvYgSuMvWVnwKIfQDutPZg0En2bpV1NcSI pISAJgGel4hSH0KfF5oG6MPRgP5BH/VCk9UOOtgUkVEx3t/v8QlPN5Eld1Bzy1xOne kGbmLycyDBBnA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 5/9] mm/mprotect: add MM_CP_PERM_UPGRADE Reply-To: sashiko-reviews@lists.linux.dev To: =?utf-8?b?Q2FybG9zIEzDs3Bleg==?= Cc: linux-s390@vger.kernel.org, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261112142039.907090-7-clopez@suse.de> References: <20261112142039.907090-2-clopez@suse.de> <20261112142039.907090-7-clopez@suse.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 13 Nov 2026 14:25:56 +0000 X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Add a change_protection() flag for changes that only add permissions, > so that MMU notifier users can keep their mappings and fault in the new > permissions later. mprotect() sets it when the new VMA flags only add > read, write or execute permissions, or VM_ACCOUNT, which does not affect > the page tables. Any other change, such as a different protection key, > is not an upgrade. >=20 > Signed-off-by: Carlos L=C3=B3pez Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261112142039.9070= 90-2-clopez@suse.de?part=3D5