From: Yury Norov <ynorov@nvidia.com>
To: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
David Laight <david.laight.linux@gmail.com>,
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Subject: Re: [RFC PATCH v1 2/9] uaccess: Convert INLINE_COPY_{TO/FROM}_USER to kconfig and reduce ifdefery
Date: Mon, 27 Apr 2026 14:39:16 -0400 [thread overview]
Message-ID: <ae-tVFVfx72oCC_i@yury> (raw)
In-Reply-To: <9fe875d2f55af59c12708336c571a46038528678.1777306795.git.chleroy@kernel.org>
On Mon, Apr 27, 2026 at 07:13:43PM +0200, Christophe Leroy (CS GROUP) wrote:
> Among the 21 architectures supported by the kernel, 16 define both
> INLINE_COPY_TO_USER and INLINE_COPY_FROM_USER while the 5 other ones
> don't define any of the two.
>
> To simplify and reduce risk of mistakes, convert them to a single
> kconfig item named CONFIG_ARCH_WANTS_NOINLINE_COPY which will be
We've got a special word for it: outline. Can you name it
CONFIG_OUTLINE_USERCOPY, or similar?
> selected by the 5 architectures that don't want inlined copy.
>
> To minimise complication in a later patch, also remove
> ifdefery and replace it with IS_ENABLED().
>
> Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Andrew has taken my consolidation patch for INLINE_COPY_USER:
https://lore.kernel.org/all/20260427085814.7ca0b134603b8d5813e23396@linux-foundation.org/
Please base your series on top of it.
I'm not sure this patch is relevant to the goal of your series. Maybe
send it separately?
Thanks,
Yury
next prev parent reply other threads:[~2026-04-27 18:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 17:13 [RFC PATCH v1 0/9] uaccess: Convert small fixed size copy_{to/from}_user() to scoped user access Christophe Leroy (CS GROUP)
2026-04-27 17:13 ` [RFC PATCH v1 1/9] uaccess: Split check_zeroed_user() out of usercopy.c Christophe Leroy (CS GROUP)
2026-04-27 17:13 ` [RFC PATCH v1 2/9] uaccess: Convert INLINE_COPY_{TO/FROM}_USER to kconfig and reduce ifdefery Christophe Leroy (CS GROUP)
2026-04-27 18:39 ` Yury Norov [this message]
2026-04-27 20:39 ` Andrew Cooper
2026-04-27 20:47 ` Yury Norov
2026-04-27 17:13 ` [RFC PATCH v1 3/9] x86/umip: Be stricter in fixup_umip_exception() Christophe Leroy (CS GROUP)
2026-04-27 17:13 ` [RFC PATCH v1 4/9] uaccess: Introduce copy_{to/from}_user_partial() Christophe Leroy (CS GROUP)
2026-04-27 17:13 ` [RFC PATCH v1 5/9] uaccess: Switch to copy_{to/from}_user_partial() when relevant Christophe Leroy (CS GROUP)
2026-04-27 18:07 ` Alice Ryhl
2026-04-27 19:01 ` Linus Torvalds
2026-04-27 17:13 ` [RFC PATCH v1 6/9] uaccess: Change copy_{to/from}_user to return -EFAULT Christophe Leroy (CS GROUP)
2026-04-27 17:13 ` [RFC PATCH v1 7/9] x86: Add unsafe_copy_from_user() Christophe Leroy (CS GROUP)
2026-04-27 17:58 ` Yury Norov
2026-04-27 18:20 ` Christophe Leroy (CS GROUP)
2026-04-27 19:19 ` Yury Norov
2026-04-27 17:13 ` [RFC PATCH v1 8/9] arm64: " Christophe Leroy (CS GROUP)
2026-04-27 17:13 ` [RFC PATCH v1 9/9] uaccess: Convert small fixed size copy_{to/from}_user() to scoped user access Christophe Leroy (CS GROUP)
2026-04-27 20:12 ` Yury Norov
2026-04-27 19:01 ` [RFC PATCH v1 0/9] " Helge Deller
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