From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DE033085B2 for ; Thu, 19 Jun 2025 12:12:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750335178; cv=none; b=ScG1HcFMAEJjrkeYwQkiD7ts4EEyo2ppzojky28Tbso65uw6ellVasy1+CYZuK8h3Jp0YyLqkMwzG9w4SufZM+OLx/xGFG2KQCdVwLa9jhoFkIHRGzy52tCEC81q7Ka5eGpZyfKgM3UKNsSM/M38+r0nCKK4KqE5IMB1G9kmKf0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750335178; c=relaxed/simple; bh=3aR7ijKhs4cMdRhIavTaxoR3+StcHCkyGT8FAX3AItY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CldPsiymOsO4Oiyo9I27711XVKj/E+ZUVT8dGjeuEzv03RBTKgu1S36J/RxpDK1szl0luYZragGz1FBsfqofXym5XFAhdPbUbl+SeNgFmElpFXy3Va7zmrt2EY1rmmsjwKPbcD6XxgdlLxMXDJpef7LYUY8OcfI4wm25q/jEKvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de; spf=pass smtp.mailfrom=suse.de; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id E8D722121A; Thu, 19 Jun 2025 12:12:54 +0000 (UTC) Authentication-Results: smtp-out1.suse.de; none Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id F06A3136CC; Thu, 19 Jun 2025 12:12:50 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id PH/eNsL+U2gneAAAD6G6ig (envelope-from ); Thu, 19 Jun 2025 12:12:50 +0000 Date: Thu, 19 Jun 2025 14:12:49 +0200 From: Oscar Salvador To: Lorenzo Stoakes Cc: Andrew Morton , Russell King , Catalin Marinas , Will Deacon , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , "David S . Miller" , Andreas Larsson , Jarkko Sakkinen , Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Alexander Viro , Christian Brauner , Jan Kara , Kees Cook , Peter Xu , David Hildenbrand , Zi Yan , Baolin Wang , "Liam R . Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Xu Xin , Chengming Zhou , Hugh Dickins , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Rik van Riel , Harry Yoo , Dan Williams , Matthew Wilcox , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jason Gunthorpe , John Hubbard , Muchun Song , Jann Horn , Pedro Falcato , Johannes Weiner , Qi Zheng , Shakeel Butt , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, sparclinux@vger.kernel.org, linux-sgx@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, nvdimm@lists.linux.dev, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] mm: change vm_get_page_prot() to accept vm_flags_t argument Message-ID: References: Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: E8D722121A X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Spam-Level: X-Spam-Flag: NO X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Score: -4.00 On Wed, Jun 18, 2025 at 08:42:52PM +0100, Lorenzo Stoakes wrote: > We abstract the type of the VMA flags to vm_flags_t, however in may places many? > it is simply assumed this is unsigned long, which is simply incorrect. > > At the moment this is simply an incongruity, however in future we plan to > change this type and therefore this change is a critical requirement for > doing so. > > Overall, this patch does not introduce any functional change. > > Signed-off-by: Lorenzo Stoakes Reviewed-by: Oscar Salvador Same comments as Vlastimil, you want to push vmflag_to_pte_pkey_bits further to patch#2 and bring arch/powerpc/mm/book3s64/pgtable.c:pgprot_t vm_get_page_prot(unsigned long vm_flags) -- Oscar Salvador SUSE Labs