linux-kernel - Re: [PATCH v3] scripts/gdb: replace flags (MS_xyz -> SB

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Message-ID: <CAKwvOdm8nbXvjgOk4eqYQYG3uXLGJhgHe7DspB0nF18+POx8Eg@mail.gmail.com>
Date:   Fri, 8 Mar 2019 12:56:28 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     stable@...r.kernel.org, Sasha Levin <sashal@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        Jackie Liu <liuyun01@...inos.cn>,
        Kieran Bingham <kbingham@...nel.org>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Dan Robertson <danlrobertson89@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Kieran Bingham <kieran.bingham@...asonboard.com>
Subject: Re: [PATCH v3] scripts/gdb: replace flags (MS_xyz -> SB_xyz)

On Fri, Mar 8, 2019 at 4:37 AM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Tue, Mar 05, 2019 at 01:47:58PM -0800, Nick Desaulniers wrote:
> > On Tue, Mar 5, 2019 at 2:30 AM Kieran Bingham
> > <kieran.bingham@...asonboard.com> wrote:
> > >
> > > From: Jackie Liu <liuyun01@...inos.cn>
> > >
> > > Since commit 1751e8a6cb93 ("Rename superblock flags (MS_xyz -> SB_xyz)"),
> > > scripts/gdb should be updated to replace MS_xyz with SB_xyz.
> > >
> > > This change didn't directly affect the running operation of scripts/gdb until
> > > commit e262e32d6bde "vfs: Suppress MS_* flag defs within the kernel unless
> >
> > Note to stable, e262e32d6bde landed in v5.0-rc1 (which was just
> > released), so we'll want this picked back to 5.0 stable once this
> > patch hits mainline (akpm just picked it up).
> >
> > Just following up to say that without this, debugging a kernel a
> > kernel via GDB+QEMU is broken in the 5.0 release.
>
> I do not understand, sorry.  Specifically, what git commits do you want
> applied to which stable releases for what reason?

commits: 663cb6340c6e
release: 5.0
reason: kernel debugging scripts in gdb are broken since v5.0-rc1 via
e262e32d6bde
-- 
Thanks,
~Nick Desaulniers