From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hridya Valsaraju <hridya@google.com>
Cc: "Daniel Vetter" <daniel.vetter@ffwll.ch>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
"Christian König" <christian.koenig@amd.com>,
linaro-mm-sig@lists.linaro.org, surenb@google.com,
kernel-team@android.com, linux-media@vger.kernel.org
Subject: Re: [PATCH] dma-buf: Delete the DMA-BUF attachment sysfs statistics
Date: Sat, 10 Jul 2021 08:37:03 +0200 [thread overview]
Message-ID: <YOlADy6gdrUDNltl@kroah.com> (raw)
In-Reply-To: <20210710051027.42828-1-hridya@google.com>
On Fri, Jul 09, 2021 at 10:10:24PM -0700, Hridya Valsaraju wrote:
> The DMA-BUF attachment statistics form a subset of the DMA-BUF
> sysfs statistics that recently merged to the drm-misc tree.
> Since there has been a reported a performance regression due to the
> overhead of sysfs directory creation/teardown during
> dma_buf_attach()/dma_buf_detach(), this patch deletes the DMA-BUF
> attachment statistics from sysfs.
>
> Fixes: bdb8d06dfefd (dmabuf: Add the capability to expose DMA-BUF stats
> in sysfs)
> Signed-off-by: Hridya Valsaraju <hridya@google.com>
> ---
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hridya Valsaraju <hridya@google.com>
Cc: daniel@ffwll.ch, "Sumit Semwal" <sumit.semwal@linaro.org>,
"Christian König" <christian.koenig@amd.com>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
kernel-team@android.com, john.stultz@linaro.org,
surenb@google.com
Subject: Re: [PATCH] dma-buf: Delete the DMA-BUF attachment sysfs statistics
Date: Sat, 10 Jul 2021 08:37:03 +0200 [thread overview]
Message-ID: <YOlADy6gdrUDNltl@kroah.com> (raw)
In-Reply-To: <20210710051027.42828-1-hridya@google.com>
On Fri, Jul 09, 2021 at 10:10:24PM -0700, Hridya Valsaraju wrote:
> The DMA-BUF attachment statistics form a subset of the DMA-BUF
> sysfs statistics that recently merged to the drm-misc tree.
> Since there has been a reported a performance regression due to the
> overhead of sysfs directory creation/teardown during
> dma_buf_attach()/dma_buf_detach(), this patch deletes the DMA-BUF
> attachment statistics from sysfs.
>
> Fixes: bdb8d06dfefd (dmabuf: Add the capability to expose DMA-BUF stats
> in sysfs)
> Signed-off-by: Hridya Valsaraju <hridya@google.com>
> ---
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2021-07-10 6:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-10 5:10 [PATCH] dma-buf: Delete the DMA-BUF attachment sysfs statistics Hridya Valsaraju
2021-07-10 5:10 ` Hridya Valsaraju
2021-07-10 6:37 ` Greg Kroah-Hartman [this message]
2021-07-10 6:37 ` Greg Kroah-Hartman
2021-07-12 6:43 ` Christian König
2021-07-12 6:43 ` Christian König
2021-07-13 0:42 ` Hridya Valsaraju
2021-07-13 0:42 ` Hridya Valsaraju
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