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From: Richard Weinberger <richard@nod.at>
To: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jonathan Corbet <corbet@lwn.net>,
	 Clemens Ladisch <clemens@ladisch.de>,
	Arnd Bergmann <arnd@arndb.de>,
	 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	 "K . Y . Srinivasan" <kys@microsoft.com>,
	 Haiyang Zhang <haiyangz@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>,  Dexuan Cui <decui@microsoft.com>,
	Long Li <longli@microsoft.com>,
	 Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	 mcoquelin stm32 <mcoquelin.stm32@gmail.com>,
	 alexandre torgue <alexandre.torgue@foss.st.com>,
	 Miquel Raynal <miquel.raynal@bootlin.com>,
	 Vignesh Raghavendra <vigneshr@ti.com>,
	 Bodo Stroesser <bostroesser@gmail.com>,
	 "Martin K. Petersen" <martin.petersen@oracle.com>,
	 David Howells <dhowells@redhat.com>,
	 Marc Dionne <marc.dionne@auristor.com>,
	 Al Viro <viro@zeniv.linux.org.uk>,
	 Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	 David Hildenbrand <david@kernel.org>,
	 "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	 Vlastimil Babka <vbabka@kernel.org>,
	Mike Rapoport <rppt@kernel.org>,
	 Suren Baghdasaryan <surenb@google.com>,
	 Michal Hocko <mhocko@suse.com>, Jann Horn <jannh@google.com>,
	 Pedro Falcato <pfalcato@suse.de>,
	 linux-kernel <linux-kernel@vger.kernel.org>,
	 Linux Doc Mailing List <linux-doc@vger.kernel.org>,
	 linux-hyperv <linux-hyperv@vger.kernel.org>,
	 linux-stm32 <linux-stm32@st-md-mailman.stormreply.com>,
	 linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	 linux-mtd <linux-mtd@lists.infradead.org>,
	 linux-staging@lists.linux.dev,
	 linux-scsi <linux-scsi@vger.kernel.org>,
	 target-devel <target-devel@vger.kernel.org>,
	 linux-afs <linux-afs@lists.infradead.org>,
	 linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	 linux-mm <linux-mm@kvack.org>,
	ryan roberts <ryan.roberts@arm.com>
Subject: Re: [PATCH v2 09/16] mtdchar: replace deprecated mmap hook with mmap_prepare, clean up
Date: Mon, 16 Mar 2026 22:45:43 +0100 (CET)	[thread overview]
Message-ID: <305430349.46051.1773697543461.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <e3071ae43af79277d3919bafb71f009694d0854d.1773695307.git.ljs@kernel.org>

----- Ursprüngliche Mail -----
> Von: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>

[...]

> Commit f5cf8f07423b ("mtd: Disable mtdchar mmap on MMU systems") commented
> out the CONFIG_MMU part of this function back in 2012, so after ~14 years
> it's probably reasonable to remove this altogether rather than updating
> dead code.
> 
> Signed-off-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
> ---
> drivers/mtd/mtdchar.c | 21 +++------------------
> 1 file changed, 3 insertions(+), 18 deletions(-)

Acked-by: Richard Weinberger <richard@nod.at>

Thanks,
//richard


WARNING: multiple messages have this Message-ID (diff)
From: Richard Weinberger <richard@nod.at>
To: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jonathan Corbet <corbet@lwn.net>,
	 Clemens Ladisch <clemens@ladisch.de>,
	Arnd Bergmann <arnd@arndb.de>,
	 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	 "K . Y . Srinivasan" <kys@microsoft.com>,
	 Haiyang Zhang <haiyangz@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>,  Dexuan Cui <decui@microsoft.com>,
	Long Li <longli@microsoft.com>,
	 Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	 mcoquelin stm32 <mcoquelin.stm32@gmail.com>,
	 alexandre torgue <alexandre.torgue@foss.st.com>,
	 Miquel Raynal <miquel.raynal@bootlin.com>,
	 Vignesh Raghavendra <vigneshr@ti.com>,
	 Bodo Stroesser <bostroesser@gmail.com>,
	 "Martin K. Petersen" <martin.petersen@oracle.com>,
	 David Howells <dhowells@redhat.com>,
	 Marc Dionne <marc.dionne@auristor.com>,
	 Al Viro <viro@zeniv.linux.org.uk>,
	 Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	 David Hildenbrand <david@kernel.org>,
	 "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	 Vlastimil Babka <vbabka@kernel.org>,
	Mike Rapoport <rppt@kernel.org>,
	 Suren Baghdasaryan <surenb@google.com>,
	 Michal Hocko <mhocko@suse.com>, Jann Horn <jannh@google.com>,
	 Pedro Falcato <pfalcato@suse.de>,
	 linux-kernel <linux-kernel@vger.kernel.org>,
	 Linux Doc Mailing List <linux-doc@vger.kernel.org>,
	 linux-hyperv <linux-hyperv@vger.kernel.org>,
	 linux-stm32 <linux-stm32@st-md-mailman.stormreply.com>,
	 linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	 linux-mtd <linux-mtd@lists.infradead.org>,
	 linux-staging@lists.linux.dev,
	 linux-scsi <linux-scsi@vger.kernel.org>,
	 target-devel <target-devel@vger.kernel.org>,
	 linux-afs <linux-afs@lists.infradead.org>,
	 linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	 linux-mm <linux-mm@kvack.org>,
	ryan roberts <ryan.roberts@arm.com>
Subject: Re: [PATCH v2 09/16] mtdchar: replace deprecated mmap hook with mmap_prepare, clean up
Date: Mon, 16 Mar 2026 22:45:43 +0100 (CET)	[thread overview]
Message-ID: <305430349.46051.1773697543461.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <e3071ae43af79277d3919bafb71f009694d0854d.1773695307.git.ljs@kernel.org>

----- Ursprüngliche Mail -----
> Von: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>

[...]

> Commit f5cf8f07423b ("mtd: Disable mtdchar mmap on MMU systems") commented
> out the CONFIG_MMU part of this function back in 2012, so after ~14 years
> it's probably reasonable to remove this altogether rather than updating
> dead code.
> 
> Signed-off-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
> ---
> drivers/mtd/mtdchar.c | 21 +++------------------
> 1 file changed, 3 insertions(+), 18 deletions(-)

Acked-by: Richard Weinberger <richard@nod.at>

Thanks,
//richard

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  reply	other threads:[~2026-03-16 21:45 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-16 21:11 [PATCH v2 00/16] mm: expand mmap_prepare functionality and usage Lorenzo Stoakes (Oracle)
2026-03-16 21:11 ` Lorenzo Stoakes (Oracle)
2026-03-16 21:11 ` [PATCH v2 01/16] mm: various small mmap_prepare cleanups Lorenzo Stoakes (Oracle)
2026-03-16 21:11   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:11 ` [PATCH v2 02/16] mm: add documentation for the mmap_prepare file operation callback Lorenzo Stoakes (Oracle)
2026-03-16 21:11   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:11 ` [PATCH v2 03/16] mm: document vm_operations_struct->open the same as close() Lorenzo Stoakes (Oracle)
2026-03-16 21:11   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 04/16] mm: add vm_ops->mapped hook Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 05/16] fs: afs: correctly drop reference count on mapping failure Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 06/16] mm: add mmap_action_simple_ioremap() Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-17  4:14   ` Suren Baghdasaryan
2026-03-17  4:14     ` Suren Baghdasaryan
2026-03-18 20:39     ` Lorenzo Stoakes (Oracle)
2026-03-18 20:39       ` Lorenzo Stoakes (Oracle)
2026-03-19 16:29       ` Lorenzo Stoakes (Oracle)
2026-03-19 16:29         ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 07/16] misc: open-dice: replace deprecated mmap hook with mmap_prepare Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-17  4:30   ` Suren Baghdasaryan
2026-03-17  4:30     ` Suren Baghdasaryan
2026-03-16 21:12 ` [PATCH v2 08/16] hpet: " Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-17  4:33   ` Suren Baghdasaryan
2026-03-17  4:33     ` Suren Baghdasaryan
2026-03-16 21:12 ` [PATCH v2 09/16] mtdchar: replace deprecated mmap hook with mmap_prepare, clean up Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:45   ` Richard Weinberger [this message]
2026-03-16 21:45     ` Richard Weinberger
2026-03-16 21:12 ` [PATCH v2 10/16] stm: replace deprecated mmap hook with mmap_prepare Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-17 20:46   ` Suren Baghdasaryan
2026-03-17 20:46     ` Suren Baghdasaryan
2026-03-16 21:12 ` [PATCH v2 11/16] staging: vme_user: " Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-17 21:26   ` Suren Baghdasaryan
2026-03-17 21:26     ` Suren Baghdasaryan
2026-03-17 21:32     ` Suren Baghdasaryan
2026-03-17 21:32       ` Suren Baghdasaryan
2026-03-19 14:54       ` Lorenzo Stoakes (Oracle)
2026-03-19 14:54         ` Lorenzo Stoakes (Oracle)
2026-03-19 15:19         ` Suren Baghdasaryan
2026-03-19 15:19           ` Suren Baghdasaryan
2026-03-19 15:19           ` Suren Baghdasaryan
2026-03-19 15:19             ` Suren Baghdasaryan
2026-03-16 21:12 ` [PATCH v2 12/16] mm: allow handling of stacked mmap_prepare hooks in more drivers Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-18 15:33   ` Suren Baghdasaryan
2026-03-18 15:33     ` Suren Baghdasaryan
2026-03-19 15:10     ` Lorenzo Stoakes (Oracle)
2026-03-19 15:10       ` Lorenzo Stoakes (Oracle)
2026-03-18 21:08   ` Joshua Hahn
2026-03-18 21:08     ` Joshua Hahn
2026-03-19 12:52     ` Lorenzo Stoakes (Oracle)
2026-03-19 12:52       ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 13/16] drivers: hv: vmbus: replace deprecated mmap hook with mmap_prepare Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 14/16] uio: replace deprecated mmap hook with mmap_prepare in uio_info Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-16 21:12 ` [PATCH v2 15/16] mm: add mmap_action_map_kernel_pages[_full]() Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-18 16:00   ` Suren Baghdasaryan
2026-03-18 16:00     ` Suren Baghdasaryan
2026-03-19 15:05     ` Lorenzo Stoakes (Oracle)
2026-03-19 15:05       ` Lorenzo Stoakes (Oracle)
2026-03-19 15:14       ` Suren Baghdasaryan
2026-03-19 15:14         ` Suren Baghdasaryan
2026-03-16 21:12 ` [PATCH v2 16/16] mm: on remap assert that input range within the proposed VMA Lorenzo Stoakes (Oracle)
2026-03-16 21:12   ` Lorenzo Stoakes (Oracle)
2026-03-18 16:02   ` Suren Baghdasaryan
2026-03-18 16:02     ` Suren Baghdasaryan
2026-03-16 21:33 ` [PATCH v2 00/16] mm: expand mmap_prepare functionality and usage Andrew Morton
2026-03-16 21:33   ` Andrew Morton

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