linux-kernel - Re: Linux 4.19.98

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Date:   Thu, 23 Jan 2020 08:54:45 +0000
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        torvalds@...ux-foundation.org
Cc:     lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.19.98

Quoting Greg KH (2020-01-23 08:46:32)
> I'm announcing the release of the 4.19.98 kernel.

commit 3e6b472f474accf757e107919f8ee42e7315ac0d
Author: Waiman Long <longman@...hat.com>
Date:   Wed Nov 14 09:55:40 2018 -0800

    efi: Fix debugobjects warning on 'efi_rts_work'

    [ Upstream commit ef1491e791308317bb9851a0ad380c4a68b58d54 ]

    The following commit:

      9dbbedaa6171 ("efi: Make efi_rts_work accessible to efi page fault handler")

    converted 'efi_rts_work' from an auto variable to a global variable.
    However, when submitting the work, INIT_WORK_ONSTACK() was still used,
    causing the following complaint from debugobjects:

      ODEBUG: object 00000000ed27b500 is NOT on stack 00000000c7d38760, but annotated.

    Change the macro to just INIT_WORK() to eliminate the warning.

    Signed-off-by: Waiman Long <longman@...hat.com>
    Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
    Acked-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@...el.com>
    Cc: Linus Torvalds <torvalds@...ux-foundation.org>
    Cc: Peter Zijlstra <peterz@...radead.org>
    Cc: Thomas Gleixner <tglx@...utronix.de>
    Cc: linux-efi@...r.kernel.org
    Fixes: 9dbbedaa6171 ("efi: Make efi_rts_work accessible to efi page fault handler")
    Link: http://lkml.kernel.org/r/20181114175544.12860-2-ard.biesheuvel@linaro.org
    Signed-off-by: Ingo Molnar <mingo@...nel.org>
    Signed-off-by: Sasha Levin <sashal@...nel.org>

was incorrectly applied to v4.19.41 and causes lockdep complaints for
the onstack efi_rts_work being initialised by INIT_WORK().
-Chris