Re: [PATCH v2] entry: Update outdated comment in entry_common.h
From: Thomas Gleixner
Date: Fri Jun 20 2025 - 17:15:09 EST
On Wed, Jun 18 2025 at 08:12, Khalid Ali wrote:
$Subject: entry: Update outdated kernel doc for syscall_trace_enter()
The shortlog should describe the change concisely. 'in entry_common.h'
tells absolutely nothing.
> From: Khalid Ali <khaliidcaliy@xxxxxxxxx>
>
> The comment above syscall_enter_from_user_mode() refers to
> syscall_enter_from_user_mode_prepare(), which is no longer used. This can
> mislead readers trying to follow the entry path.
>
> Update the comment to reflect the current implementation by replacing
> syscall_enter_from_user_mode_prepare() with enter_from_user_mode().
>
> Signed-off-by: Khalid Ali <khaliidcaliy@xxxxxxxxx>
> ---
> include/linux/entry-common.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h
> index dad1f257e3dd..49f5d99b254c 100644
> --- a/include/linux/entry-common.h
> +++ b/include/linux/entry-common.h
> @@ -146,7 +146,7 @@ long syscall_trace_enter(struct pt_regs *regs, long syscall,
> * @syscall: The syscall number
> *
> * Invoked from architecture specific syscall entry code with interrupts
> - * enabled after invoking syscall_enter_from_user_mode_prepare() and extra
> + * enabled after invoking enter_from_user_mode() and extra
> * architecture specific work.
And how is that more correct? I explained it to you in great detail what
the prerequisites are:
https://lore.kernel.org/all/87cyb6q1aj.ffs@tglx
No?
Thanks,
tglx