linux-kernel - Re: [PATCH v2 0/4] x86 suspend cleanups

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Message-ID: <CAJZ5v0jFySHXKB7VhOhkmvARMJCsWQgJ-H=QRbqx51pEiKVKWg@mail.gmail.com>
Date: Tue, 3 Feb 2026 21:31:44 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Brian Gerst <brgerst@...il.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org, 
	Ingo Molnar <mingo@...nel.org>, "H . Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Borislav Petkov <bp@...en8.de>, Ard Biesheuvel <ardb@...nel.org>, "Rafael J . Wysocki" <rafael@...nel.org>, 
	Len Brown <lenb@...nel.org>, Pavel Machek <pavel@...nel.org>
Subject: Re: [PATCH v2 0/4] x86 suspend cleanups

On Tue, Feb 3, 2026 at 6:59 PM Brian Gerst <brgerst@...il.com> wrote:
>
> This patchset cleans up the do_suspend_lowlevel() function, removing
> some leftover bits that are no longer necessary since it started
> using the SMP trampoline to resune the kernel.
>
> v2:
> - Reworked the first patch
> - Added more cleanups
>
> Brian Gerst (4):
>   x86/acpi/suspend: Remove indirect jump
>   x86/acpi/suspend: Remove segment reloads on resume
>   x86/acpi/suspend: Clean up stack usage
>   x86/acpi/suspend: Remove redundant register saves
>
>  arch/x86/kernel/acpi/sleep.c     | 20 -------------
>  arch/x86/kernel/acpi/wakeup_64.S | 50 +++++---------------------------
>  2 files changed, 8 insertions(+), 62 deletions(-)

Maybe CC linux-acpi@...r.kernel.org.

It would be easier to review somewhat.