From: "Nicolai Hähnle" <nhaehnle@gmail.com> To: "Deucher, Alexander" <Alexander.Deucher@amd.com>, "'Sean Paul'" <seanpaul@google.com>, Wei Yongjun <weiyj.lk@gmail.com> Cc: "Nath, Arindam" <Arindam.Nath@amd.com>, "Zhou, Jammy" <Jammy.Zhou@amd.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, dri-devel <dri-devel@lists.freedesktop.org>, "Jiang, Sonny" <Sonny.Jiang@amd.com>, "Liu, Leo" <Leo.Liu@amd.com>, "Koenig, Christian" <Christian.Koenig@amd.com>, "Liu, Monk" <Monk.Liu@amd.com> Subject: Re: [PATCH -next] drm/amdgpu: use kmemdup rather than duplicating its implementation Date: Mon, 1 Aug 2016 13:16:54 +0100 [thread overview] Message-ID: <f37296c1-40db-38dc-1976-0d4a1ab8c2ca@gmail.com> (raw) In-Reply-To: <CY4PR12MB13011FA11AA662DE894626C1F7010@CY4PR12MB1301.namprd12.prod.outlook.com> On 29.07.2016 20:38, Deucher, Alexander wrote: >> -----Original Message----- >> From: Sean Paul [mailto:seanpaul@google.com] >> Sent: Friday, July 29, 2016 3:35 PM >> To: Wei Yongjun >> Cc: Deucher, Alexander; Koenig, Christian; Dave Airlie; Jiang, Sonny; Liu, Leo; >> Nath, Arindam; Zhou, David(ChunMing); Zhou, Jammy; Liu, Monk; dri-devel; >> Linux Kernel Mailing List >> Subject: Re: [PATCH -next] drm/amdgpu: use kmemdup rather than >> duplicating its implementation >> >> On Thu, Jul 28, 2016 at 12:18 PM, Wei Yongjun <weiyj.lk@gmail.com> wrote: >>> Use kmemdup rather than duplicating its implementation. >>> >>> Generated by: scripts/coccinelle/api/memdup.cocci >>> >>> Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> >> >> >> Thanks for the patch. I'll apply this to -misc once the merge window is closed. >> >> Acked-by: Sean Paul <seanpaul@chromium.org> > > Unless you've already applied this to the misc tree, I'd prefer to take it via the amdgpu tree. I recall Christian NAKing an almost identical patch some time ago. Something about needing memcpy_fromio()? Yup, it's here: https://lkml.org/lkml/2016/5/19/235 Cheers, Nicolai > > Alex > >> >> >>> --- >>> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 4 +--- >>> 1 file changed, 1 insertion(+), 3 deletions(-) >>> >>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >>> index a46a64c..b779b5f 100644 >>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >>> @@ -296,12 +296,10 @@ int amdgpu_uvd_suspend(struct amdgpu_device >> *adev) >>> size = amdgpu_bo_size(adev->uvd.vcpu_bo); >>> ptr = adev->uvd.cpu_addr; >>> >>> - adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); >>> + adev->uvd.saved_bo = kmemdup(ptr, size, GFP_KERNEL); >>> if (!adev->uvd.saved_bo) >>> return -ENOMEM; >>> >>> - memcpy(adev->uvd.saved_bo, ptr, size); >>> - >>> return 0; >>> } >>> >>> >>> >>> > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel >
WARNING: multiple messages have this Message-ID (diff)
From: "Nicolai Hähnle" <nhaehnle@gmail.com> To: "Deucher, Alexander" <Alexander.Deucher@amd.com>, 'Sean Paul' <seanpaul@google.com>, Wei Yongjun <weiyj.lk@gmail.com> Cc: "Jiang, Sonny" <Sonny.Jiang@amd.com>, "Zhou, Jammy" <Jammy.Zhou@amd.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, dri-devel <dri-devel@lists.freedesktop.org>, "Nath, Arindam" <Arindam.Nath@amd.com>, "Liu, Leo" <Leo.Liu@amd.com>, "Koenig, Christian" <Christian.Koenig@amd.com>, "Liu, Monk" <Monk.Liu@amd.com> Subject: Re: [PATCH -next] drm/amdgpu: use kmemdup rather than duplicating its implementation Date: Mon, 1 Aug 2016 13:16:54 +0100 [thread overview] Message-ID: <f37296c1-40db-38dc-1976-0d4a1ab8c2ca@gmail.com> (raw) In-Reply-To: <CY4PR12MB13011FA11AA662DE894626C1F7010@CY4PR12MB1301.namprd12.prod.outlook.com> On 29.07.2016 20:38, Deucher, Alexander wrote: >> -----Original Message----- >> From: Sean Paul [mailto:seanpaul@google.com] >> Sent: Friday, July 29, 2016 3:35 PM >> To: Wei Yongjun >> Cc: Deucher, Alexander; Koenig, Christian; Dave Airlie; Jiang, Sonny; Liu, Leo; >> Nath, Arindam; Zhou, David(ChunMing); Zhou, Jammy; Liu, Monk; dri-devel; >> Linux Kernel Mailing List >> Subject: Re: [PATCH -next] drm/amdgpu: use kmemdup rather than >> duplicating its implementation >> >> On Thu, Jul 28, 2016 at 12:18 PM, Wei Yongjun <weiyj.lk@gmail.com> wrote: >>> Use kmemdup rather than duplicating its implementation. >>> >>> Generated by: scripts/coccinelle/api/memdup.cocci >>> >>> Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> >> >> >> Thanks for the patch. I'll apply this to -misc once the merge window is closed. >> >> Acked-by: Sean Paul <seanpaul@chromium.org> > > Unless you've already applied this to the misc tree, I'd prefer to take it via the amdgpu tree. I recall Christian NAKing an almost identical patch some time ago. Something about needing memcpy_fromio()? Yup, it's here: https://lkml.org/lkml/2016/5/19/235 Cheers, Nicolai > > Alex > >> >> >>> --- >>> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 4 +--- >>> 1 file changed, 1 insertion(+), 3 deletions(-) >>> >>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >>> index a46a64c..b779b5f 100644 >>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c >>> @@ -296,12 +296,10 @@ int amdgpu_uvd_suspend(struct amdgpu_device >> *adev) >>> size = amdgpu_bo_size(adev->uvd.vcpu_bo); >>> ptr = adev->uvd.cpu_addr; >>> >>> - adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); >>> + adev->uvd.saved_bo = kmemdup(ptr, size, GFP_KERNEL); >>> if (!adev->uvd.saved_bo) >>> return -ENOMEM; >>> >>> - memcpy(adev->uvd.saved_bo, ptr, size); >>> - >>> return 0; >>> } >>> >>> >>> >>> > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2016-08-01 13:15 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-07-28 16:18 [PATCH -next] drm/amdgpu: use kmemdup rather than duplicating its implementation Wei Yongjun 2016-07-29 19:35 ` Sean Paul 2016-07-29 19:38 ` Deucher, Alexander 2016-07-29 19:38 ` Deucher, Alexander 2016-07-29 19:40 ` Sean Paul 2016-08-01 12:16 ` Nicolai Hähnle [this message] 2016-08-01 12:16 ` Nicolai Hähnle 2016-08-02 13:37 ` Christian König 2016-08-02 13:37 ` Christian König
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