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From: Rodrigo Vivi <rodrigo.vivi@intel.com>
To: "Dixit, Ashutosh" <ashutosh.dixit@intel.com>
Cc: intel-xe@lists.freedesktop.org
Subject: Re: [Intel-xe] [PATCH 2/3] drm/xe: Use spinlock in forcewake instead of mutex
Date: Wed, 30 Aug 2023 16:56:57 -0400	[thread overview]
Message-ID: <ZO+tGbmexPz6sI30@intel.com> (raw)
In-Reply-To: <87cyz514dt.wl-ashutosh.dixit@intel.com>

On Tue, Aug 29, 2023 at 10:33:02PM -0700, Dixit, Ashutosh wrote:
> On Tue, 29 Aug 2023 22:15:43 -0700, Aravind Iddamsetty wrote:
> >
> 
> Hi Aravind,
> 
> > @@ -162,7 +162,7 @@ int xe_force_wake_get(struct xe_force_wake *fw,
> >				   domain->id, ret);
> >	}
> >	fw->awake_domains |= woken;
> > -	mutex_unlock(&fw->lock);
> > +	spin_unlock(&fw->lock);
> 
> No need to change anything yet, but let's get some more opinion on this: is
> it ok to (a) just replace the mutex with a spinlock in these force_wake
> functions, or, (b) should we have a second set of functions to be called in
> atomic context, say: xe_force_wake_get/put_atomic? So we should use (b) in
> atomic contexts and everywhere else we just continue to use the previous
> set of non-atomic functions? Or just converting the default set of
> functions to use spin lock (as is done in this patch) is ok?

It looks okay to me,
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

> 
> Thanks.
> --
> Ashutosh

  reply	other threads:[~2023-08-30 20:57 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-30  5:15 [Intel-xe] [PATCH v5 0/3] drm/xe/pmu: Enable PMU interface Aravind Iddamsetty
2023-08-30  5:10 ` [Intel-xe] ✓ CI.Patch_applied: success for drm/xe/pmu: Enable PMU interface (rev5) Patchwork
2023-08-30  5:10 ` [Intel-xe] ✗ CI.checkpatch: warning " Patchwork
2023-08-30  5:12 ` [Intel-xe] ✓ CI.KUnit: success " Patchwork
2023-08-30  5:15 ` [Intel-xe] [PATCH v3 1/3] drm/xe: Get GT clock to nanosecs Aravind Iddamsetty
2023-08-30  5:15 ` [Intel-xe] [PATCH 2/3] drm/xe: Use spinlock in forcewake instead of mutex Aravind Iddamsetty
2023-08-30  5:33   ` Dixit, Ashutosh
2023-08-30 20:56     ` Rodrigo Vivi [this message]
2023-08-30 22:19       ` Dixit, Ashutosh
2023-08-31  4:13         ` Aravind Iddamsetty
2023-08-30  5:15 ` [Intel-xe] [PATCH v5 3/3] drm/xe/pmu: Enable PMU interface Aravind Iddamsetty
2023-08-30 20:58   ` Rodrigo Vivi
2023-08-31 20:45     ` Dixit, Ashutosh
2023-08-31 22:14       ` Aravind Iddamsetty
2023-08-31  4:48   ` Dixit, Ashutosh
2023-08-31 10:29     ` Aravind Iddamsetty
2023-08-31 16:58       ` Dixit, Ashutosh
2023-08-31 22:11         ` Aravind Iddamsetty
2023-08-31 22:21           ` Belgaumkar, Vinay
2023-08-31 23:11             ` Aravind Iddamsetty
2023-08-31 23:22               ` Belgaumkar, Vinay
2023-08-31 23:16                 ` Dixit, Ashutosh
2023-08-31 23:57                   ` Belgaumkar, Vinay
2023-08-31 23:58                     ` Dixit, Ashutosh
2023-09-01  3:34                       ` Aravind Iddamsetty
2023-08-30  5:19 ` [Intel-xe] ✓ CI.Build: success for drm/xe/pmu: Enable PMU interface (rev5) Patchwork
2023-08-30  5:19 ` [Intel-xe] ✗ CI.Hooks: failure " Patchwork
  -- strict thread matches above, loose matches on Subject: below --
2023-09-01  7:06 [Intel-xe] [PATCH v6 0/3] drm/xe/pmu: Enable PMU interface Aravind Iddamsetty
2023-09-01  7:06 ` [Intel-xe] [PATCH 2/3] drm/xe: Use spinlock in forcewake instead of mutex Aravind Iddamsetty
2023-09-14  6:13 [Intel-xe] [PATCH v7 0/3] drm/xe/pmu: Enable PMU interface Aravind Iddamsetty
2023-09-14  6:13 ` [Intel-xe] [PATCH 2/3] drm/xe: Use spinlock in forcewake instead of mutex Aravind Iddamsetty

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