From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AE5A9606B243 for ; Tue, 3 Nov 2026 14:48:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=l1Y2rn5K; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=F8FNSykI DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=oZNMg0XOhOF82NdxKw8m3fuJZ/CwTFkJ3vKS6G2BA+8=; b=l1Y2rn5K73jV3mTmNykizg/Wdx dYqVkb4fJHsfOr1zw9h3nPE9oBh+h6jEQrLP/h9Q5BMfIz2G9aeQSNcW3itBCZuEevz1phg0cwZfc AULuQkUqdG3Y1m8ugs9sSffBsZysBkK8gFaSgDIq6+a43VmbCiIyvcSiOSk2CjxsdPoeKea3+1toU WQoP7teOF6GwRWfE1T4sbz2Ux9zDNnI0C3cZ5xWDURK50cOIBxmrtBhOEvGAFr9W3wixlY0D9+imK n1si/WobIwaTjhAA26AM9cBTp9jN4RvpcfEhEgSTK2dJWvhRpd8oCh9OV78nM4KonCOd/CKL/nPsG a5Kp4prA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOFoT-00000002lkf-15HH; Tue, 03 Nov 2026 14:48:37 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOFoL-00000002lbo-2k4Y for kexec@lists.infradead.org; Tue, 03 Nov 2026 14:48:29 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 1C17E609ED; Tue, 3 Nov 2026 14:48:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DCB31F000C1; Tue, 3 Nov 2026 14:48:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793717308; bh=oZNMg0XOhOF82NdxKw8m3fuJZ/CwTFkJ3vKS6G2BA+8=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=F8FNSykIjsbIYyaW7wlpeo7Jpn0dKaAreMckL+hzdum+Nm9DhHKifm2w4cRC12Zuf FMphUuoK+hWmYUdPHNzO6H8bziy31o7b+pN218q2Hp1gBYtkbTvpEUQ+x2kYJUTGbU amr4aSwQRjTvoLEO8pBwqFwBIAflxH0WBNUru5M44VEqR+WrJF38qQzc5RNwaaY8rK U/bSSq6pCzSaxPBgrjZXz5mOFbKW0lxZLA/85eQV8QSkyLI5I1g237UjWtVW4FOz4i 7eRL44CQhswG3W572187LfOOth0Bx8K25XUo4u38O9AE4bdxmCYBIrD7N596LhCSKY 60DTPQ7Vz2Maw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC 30/38] powerpc/pseries/lparcfg: return h_get_ppp()'s status as a long To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261102-work-procfs-bugfixes-v1-30-59422ed3e465@kernel.org> References: <20261102-work-procfs-bugfixes-v1-0-59422ed3e465@kernel.org> <20261102-work-procfs-bugfixes-v1-30-59422ed3e465@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 03 Nov 2026 14:48:26 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > h_get_ppp() returns the status of the H_GET_PPP hcall as an unsigned > int. update_ppp() hands it on as its ssize_t result, and > lparcfg_write() turns the hcall statuses it knows into an errno and > returns anything else as it is. So when H_GET_PPP fails, say with > H_PARAMETER (-4), the status comes back as 4294967292 and a write to > /proc/powerpc/lparcfg reports that many bytes written. >=20 > Return the status as the long it is. lparcfg_write() then treats it > like the status of H_SET_PPP and an unknown one is at least negative. > Before commit 11529396ea31 ("powerpc/pseries: Split processor > entitlement retrieval and gathering to helper routines") a failed > H_GET_PPP turned into -EIO. >=20 > Reported-by: Chris Mason > Fixes: 11529396ea31 ("powerpc/pseries: Split processor entitlement retrie= val and gathering to helper routines") > Cc: stable@vger.kernel.org > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261102-work-procf= s-bugfixes-v1-0-59422ed3e465@kernel.org?part=3D30