Linux-RISC-V Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: patchwork-bot+linux-riscv@kernel.org
To: Nathan Chancellor <nathan@kernel.org>
Cc: linux-riscv@lists.infradead.org, morbo@google.com,
	justinstitt@google.com, nick.desaulniers+lkml@gmail.com,
	arnd@arndb.de, pjw@kernel.org, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alex@ghiti.fr,
	linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
	stable@vger.kernel.org
Subject: Re: [PATCH] Disable -Wattribute-alias for clang-23 and newer
Date: Fri, 26 Jun 2026 08:21:36 +0000	[thread overview]
Message-ID: <178246209611.3816447.421614366595878220.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260515-syscall-disable-attribute-alias-for-clang-v1-1-9a9d95d41df6@kernel.org>

Hello:

This patch was applied to riscv/linux.git (fixes)
by Nathan Chancellor <nathan@kernel.org>:

On Fri, 15 May 2026 19:35:18 +0900 you wrote:
> Clang recently added support for -Wattribute-alias [1], which results in
> the same warnings that necessitated commit bee20031772a ("disable
> -Wattribute-alias warning for SYSCALL_DEFINEx()") for GCC.
> 
>   kernel/time/itimer.c:325:1: error: alias and aliasee have different types 'long (unsigned int)' and 'long (typeof (__builtin_choose_expr((__builtin_types_compatible_p(typeof ((unsigned int)0), typeof (0LL)) || __builtin_types_compatible_p(typeof ((unsigned int)0), typeof (0ULL))), 0LL, 0L)))' (aka 'long (long)') [-Werror,-Wattribute-alias]
>     325 | SYSCALL_DEFINE1(alarm, unsigned int, seconds)
>         | ^
>   include/linux/syscalls.h:225:36: note: expanded from macro 'SYSCALL_DEFINE1'
>     225 | #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
>         |                                    ^
>   include/linux/syscalls.h:236:2: note: expanded from macro 'SYSCALL_DEFINEx'
>     236 |         __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
>         |         ^
>   include/linux/syscalls.h:251:18: note: expanded from macro '__SYSCALL_DEFINEx'
>     251 |                 __attribute__((alias(__stringify(__se_sys##name))));    \
>         |                                ^
>   kernel/time/itimer.c:325:1: note: aliasee is declared here
>   include/linux/syscalls.h:225:36: note: expanded from macro 'SYSCALL_DEFINE1'
>     225 | #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
>         |                                    ^
>   include/linux/syscalls.h:236:2: note: expanded from macro 'SYSCALL_DEFINEx'
>     236 |         __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
>         |         ^
>   include/linux/syscalls.h:255:18: note: expanded from macro '__SYSCALL_DEFINEx'
>     255 |         asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))  \
>         |                         ^
>   <scratch space>:16:1: note: expanded from here
>      16 | __se_sys_alarm
>         | ^
> 
> [...]

Here is the summary with links:
  - Disable -Wattribute-alias for clang-23 and newer
    https://git.kernel.org/riscv/c/175db11786bd

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

      parent reply	other threads:[~2026-06-26  8:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-15 10:35 [PATCH] Disable -Wattribute-alias for clang-23 and newer Nathan Chancellor
2026-05-15 19:40 ` Nathan Chancellor
2026-06-26  8:21 ` patchwork-bot+linux-riscv [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=178246209611.3816447.421614366595878220.git-patchwork-notify@kernel.org \
    --to=patchwork-bot+linux-riscv@kernel.org \
    --cc=alex@ghiti.fr \
    --cc=aou@eecs.berkeley.edu \
    --cc=arnd@arndb.de \
    --cc=justinstitt@google.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=llvm@lists.linux.dev \
    --cc=morbo@google.com \
    --cc=nathan@kernel.org \
    --cc=nick.desaulniers+lkml@gmail.com \
    --cc=palmer@dabbelt.com \
    --cc=pjw@kernel.org \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox