linux-kernel - Re: [GIT PULL 1/7] intel_th: gth: Fix the window switching sequence

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Date:   Mon, 4 Nov 2019 07:35:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [GIT PULL 1/7] intel_th: gth: Fix the window switching sequence

On Mon, Nov 04, 2019 at 08:25:39AM +0200, Alexander Shishkin wrote:
> Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:
> 
> > On Mon, Oct 28, 2019 at 09:06:45AM +0200, Alexander Shishkin wrote:
> >> Commit 8116db57cf16 ("intel_th: Add switch triggering support") added
> >> a trigger assertion of the CTS, but forgot to de-assert it at the end
> >> of the sequence. This results in window switches randomly not happening.
> >> 
> >> Fix that by de-asserting the trigger at the end of the window switch
> >> sequence.
> >> 
> >> Signed-off-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
> >> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> >> ---
> >>  drivers/hwtracing/intel_th/gth.c | 3 +++
> >>  1 file changed, 3 insertions(+)
> >
> > Shouldn't this have a Fixes: tag and a cc: stable@ in it?
> >
> > I can add it if you say it's ok to.
> 
> Fixes: yes, but cc: stable shouldn't be required if this goes into 5.4,
> because the buggy commit is in 5.4-rc1.

8116db57cf16 ("intel_th: Add switch triggering support") was in the 5.2
kernel release.