From: Dinh Nguyen <dinguyen@kernel.org>
To: Arnd Bergmann <arnd@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-api@vger.kernel.org, arnd@arndb.de,
linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
Cc: linux@armlinux.org.uk, will@kernel.org, guoren@kernel.org,
bcain@codeaurora.org, geert@linux-m68k.org, monstr@monstr.eu,
tsbogend@alpha.franken.de, nickhu@andestech.com,
green.hu@gmail.com, shorne@gmail.com, deller@gmx.de,
mpe@ellerman.id.au, peterz@infradead.org, mingo@redhat.com,
mark.rutland@arm.com, hca@linux.ibm.com, dalias@libc.org,
davem@davemloft.net, richard@nod.at, x86@kernel.org,
jcmvbkbc@gmail.com, ebiederm@xmission.com,
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linux-mips@vger.kernel.org, openrisc@lists.librecores.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org
Subject: Re: [PATCH v2 18/18] uaccess: drop maining CONFIG_SET_FS users
Date: Thu, 24 Feb 2022 22:33:46 -0600 [thread overview]
Message-ID: <3927b6f5-c8d0-1421-407d-850ede02dd0f@kernel.org> (raw)
In-Reply-To: <20220216131332.1489939-19-arnd@kernel.org>
On 2/16/22 07:13, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> There are no remaining callers of set_fs(), so CONFIG_SET_FS
> can be removed globally, along with the thread_info field and
> any references to it.
>
> This turns access_ok() into a cheaper check against TASK_SIZE_MAX.
>
> With CONFIG_SET_FS gone, so drop all remaining references to
> set_fs()/get_fs(), mm_segment_t and uaccess_kernel().
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> arch/Kconfig | 3 -
> arch/alpha/Kconfig | 1 -
> arch/alpha/include/asm/processor.h | 4 --
> arch/alpha/include/asm/thread_info.h | 2 -
> arch/alpha/include/asm/uaccess.h | 19 ------
> arch/arc/Kconfig | 1 -
> arch/arc/include/asm/segment.h | 20 -------
> arch/arc/include/asm/thread_info.h | 3 -
> arch/arc/include/asm/uaccess.h | 1 -
> arch/arm/lib/uaccess_with_memcpy.c | 10 ----
> arch/csky/Kconfig | 1 -
> arch/csky/include/asm/processor.h | 2 -
> arch/csky/include/asm/segment.h | 10 ----
> arch/csky/include/asm/thread_info.h | 2 -
> arch/csky/include/asm/uaccess.h | 3 -
> arch/csky/kernel/asm-offsets.c | 1 -
> arch/h8300/Kconfig | 1 -
> arch/h8300/include/asm/processor.h | 1 -
> arch/h8300/include/asm/segment.h | 40 -------------
> arch/h8300/include/asm/thread_info.h | 3 -
> arch/h8300/kernel/entry.S | 1 -
> arch/h8300/kernel/head_ram.S | 1 -
> arch/h8300/mm/init.c | 6 --
> arch/h8300/mm/memory.c | 1 -
> arch/hexagon/Kconfig | 1 -
> arch/hexagon/include/asm/thread_info.h | 6 --
> arch/hexagon/kernel/process.c | 1 -
> arch/microblaze/Kconfig | 1 -
> arch/microblaze/include/asm/thread_info.h | 6 --
> arch/microblaze/include/asm/uaccess.h | 24 --------
> arch/microblaze/kernel/asm-offsets.c | 1 -
> arch/microblaze/kernel/process.c | 1 -
> arch/nds32/Kconfig | 1 -
> arch/nds32/include/asm/thread_info.h | 4 --
> arch/nds32/include/asm/uaccess.h | 15 +----
> arch/nds32/kernel/process.c | 5 +-
> arch/nds32/mm/alignment.c | 3 -
> arch/nios2/Kconfig | 1 -
> arch/nios2/include/asm/thread_info.h | 9 ---
> arch/nios2/include/asm/uaccess.h | 12 ----
For NIOS2:
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
next prev parent reply other threads:[~2022-02-25 4:33 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-16 13:13 [PATCH v2 00/18] clean up asm/uaccess.h, kill set_fs for good Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 01/18] uaccess: fix integer overflow on access_ok() Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 02/18] uaccess: fix nios2 and microblaze get_user_8() Arnd Bergmann
2022-02-16 13:35 ` David Laight
2022-02-18 6:25 ` Christoph Hellwig
2022-02-25 4:28 ` Dinh Nguyen
2022-02-16 13:13 ` [PATCH v2 03/18] nds32: fix access_ok() checks in get/put_user Arnd Bergmann
2022-02-18 6:25 ` Christoph Hellwig
2022-02-16 13:13 ` [PATCH v2 04/18] sparc64: add __{get,put}_kernel_nocheck() Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 05/18] x86: remove __range_not_ok() Arnd Bergmann
2022-02-18 6:28 ` Christoph Hellwig
2022-02-18 7:29 ` Arnd Bergmann
2022-02-18 15:45 ` David Laight
2022-02-16 13:13 ` [PATCH v2 06/18] x86: use more conventional access_ok() definition Arnd Bergmann
2022-02-18 6:29 ` Christoph Hellwig
2022-02-16 13:13 ` [PATCH v2 07/18] nios2: drop access_ok() check from __put_user() Arnd Bergmann
2022-02-18 6:29 ` Christoph Hellwig
2022-02-23 23:30 ` Dinh Nguyen
2022-02-24 7:05 ` Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 08/18] uaccess: add generic __{get,put}_kernel_nofault Arnd Bergmann
2022-02-18 6:30 ` Christoph Hellwig
2022-02-18 8:55 ` Geert Uytterhoeven
2022-02-16 13:13 ` [PATCH v2 09/18] mips: use simpler access_ok() Arnd Bergmann
2022-02-21 13:24 ` Thomas Bogendoerfer
2022-02-21 14:31 ` Arnd Bergmann
2022-02-21 15:21 ` Thomas Bogendoerfer
2022-02-22 16:36 ` Thomas Bogendoerfer
2022-02-23 20:05 ` Linus Torvalds
2022-02-23 7:41 ` Thomas Bogendoerfer
2022-02-23 9:26 ` Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 10/18] m68k: fix access_ok for coldfire Arnd Bergmann
2022-02-18 6:30 ` Christoph Hellwig
2022-02-18 9:00 ` Geert Uytterhoeven
2022-02-18 9:24 ` Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 11/18] arm64: simplify access_ok() Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 12/18] uaccess: fix type mismatch warnings from access_ok() Arnd Bergmann
2022-02-18 6:31 ` Christoph Hellwig
2022-02-25 4:30 ` Dinh Nguyen
2022-02-16 13:13 ` [PATCH v2 13/18] uaccess: generalize access_ok() Arnd Bergmann
2022-02-17 7:52 ` Arnd Bergmann
2022-02-17 19:15 ` Andy Lutomirski
2022-02-18 7:16 ` Arnd Bergmann
2022-02-18 9:30 ` David Laight
2022-02-18 18:07 ` Andy Lutomirski
2022-02-18 6:34 ` Christoph Hellwig
2022-02-18 7:23 ` Arnd Bergmann
2022-02-18 9:04 ` Geert Uytterhoeven
2022-02-24 8:29 ` Stafford Horne
2022-02-24 8:41 ` Arnd Bergmann
2022-02-25 4:31 ` Dinh Nguyen
2022-02-16 13:13 ` [PATCH v2 14/18] lib/test_lockup: fix kernel pointer check for separate address spaces Arnd Bergmann
2022-02-18 6:35 ` Christoph Hellwig
2022-02-18 7:15 ` Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 15/18] sparc64: remove CONFIG_SET_FS support Arnd Bergmann
2022-02-16 18:34 ` Sam Ravnborg
2022-02-16 18:41 ` Sam Ravnborg
2022-02-16 22:01 ` Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 16/18] sh: " Arnd Bergmann
2022-02-18 6:36 ` Christoph Hellwig
2022-02-16 13:13 ` [PATCH v2 17/18] ia64: " Arnd Bergmann
2022-02-16 13:13 ` [PATCH v2 18/18] uaccess: drop maining CONFIG_SET_FS users Arnd Bergmann
2022-02-16 18:44 ` Sam Ravnborg
2022-02-16 22:02 ` Arnd Bergmann
2022-02-17 22:36 ` Eric W. Biederman
2022-02-18 6:37 ` Christoph Hellwig
2022-02-18 7:10 ` Arnd Bergmann
2022-02-24 8:45 ` Stafford Horne
2022-02-25 4:33 ` Dinh Nguyen [this message]
2022-02-17 7:20 ` [PATCH v2 00/18] clean up asm/uaccess.h, kill set_fs for good Christophe Leroy
2022-02-17 7:49 ` Arnd Bergmann
2022-02-18 2:21 ` Al Viro
2022-02-18 9:20 ` Arnd Bergmann
2022-02-18 1:50 ` Al Viro
2022-02-18 10:01 ` Christophe Leroy
2022-02-17 8:13 ` Arnd Bergmann
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