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

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Date:   Tue, 12 Mar 2019 05:50:31 -0700
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
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 08, 2019 at 12:56:28PM -0800, Nick Desaulniers wrote:
> 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

Ok, now queued up, thanks.

greg k-h