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From: Thomas Hellstrom <thellstrom@vmware.com>
To: Cong Wang <amwang@redhat.com>
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	David Airlie <airlied@linux.ie>,
	Jerome Glisse <jglisse@redhat.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Dave Airlie <airlied@redhat.com>,
	Paul Gortmaker <paul.gortmaker@windriver.com>,
	Jakob Bornecantz <jakob@vmware.com>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 14/60] drm: remove the second argument of k[un]map_atomic()
Date: Fri, 10 Feb 2012 08:05:26 +0100	[thread overview]
Message-ID: <4F34C1B6.80201@vmware.com> (raw)
In-Reply-To: <1328852421-19678-15-git-send-email-amwang@redhat.com>

Looks good to me.

Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>


On 02/10/2012 06:39 AM, Cong Wang wrote:
> Signed-off-by: Cong Wang<amwang@redhat.com>
> ---
>   drivers/gpu/drm/drm_cache.c         |    8 ++++----
>   drivers/gpu/drm/ttm/ttm_tt.c        |   16 ++++++++--------
>   drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c |    6 +++---
>   3 files changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
> index 5928653..4b8653b 100644
> --- a/drivers/gpu/drm/drm_cache.c
> +++ b/drivers/gpu/drm/drm_cache.c
> @@ -41,10 +41,10 @@ drm_clflush_page(struct page *page)
>   	if (unlikely(page == NULL))
>   		return;
>
> -	page_virtual = kmap_atomic(page, KM_USER0);
> +	page_virtual = kmap_atomic(page);
>   	for (i = 0; i<  PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
>   		clflush(page_virtual + i);
> -	kunmap_atomic(page_virtual, KM_USER0);
> +	kunmap_atomic(page_virtual);
>   }
>
>   static void drm_cache_flush_clflush(struct page *pages[],
> @@ -87,10 +87,10 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
>   		if (unlikely(page == NULL))
>   			continue;
>
> -		page_virtual = kmap_atomic(page, KM_USER0);
> +		page_virtual = kmap_atomic(page);
>   		flush_dcache_range((unsigned long)page_virtual,
>   				   (unsigned long)page_virtual + PAGE_SIZE);
> -		kunmap_atomic(page_virtual, KM_USER0);
> +		kunmap_atomic(page_virtual);
>   	}
>   #else
>   	printk(KERN_ERR "Architecture has no drm_cache.c support\n");
> diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
> index 2f75d20..c10cf5e 100644
> --- a/drivers/gpu/drm/ttm/ttm_tt.c
> +++ b/drivers/gpu/drm/ttm/ttm_tt.c
> @@ -309,11 +309,11 @@ int ttm_tt_swapin(struct ttm_tt *ttm)
>   			goto out_err;
>
>   		preempt_disable();
> -		from_virtual = kmap_atomic(from_page, KM_USER0);
> -		to_virtual = kmap_atomic(to_page, KM_USER1);
> +		from_virtual = kmap_atomic(from_page);
> +		to_virtual = kmap_atomic(to_page);
>   		memcpy(to_virtual, from_virtual, PAGE_SIZE);
> -		kunmap_atomic(to_virtual, KM_USER1);
> -		kunmap_atomic(from_virtual, KM_USER0);
> +		kunmap_atomic(to_virtual);
> +		kunmap_atomic(from_virtual);
>   		preempt_enable();
>   		page_cache_release(from_page);
>   	}
> @@ -365,11 +365,11 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
>   			goto out_err;
>   		}
>   		preempt_disable();
> -		from_virtual = kmap_atomic(from_page, KM_USER0);
> -		to_virtual = kmap_atomic(to_page, KM_USER1);
> +		from_virtual = kmap_atomic(from_page);
> +		to_virtual = kmap_atomic(to_page);
>   		memcpy(to_virtual, from_virtual, PAGE_SIZE);
> -		kunmap_atomic(to_virtual, KM_USER1);
> -		kunmap_atomic(from_virtual, KM_USER0);
> +		kunmap_atomic(to_virtual);
> +		kunmap_atomic(from_virtual);
>   		preempt_enable();
>   		set_page_dirty(to_page);
>   		mark_page_accessed(to_page);
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
> index f4e7763..51c9ba5 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
> @@ -136,10 +136,10 @@ static int vmw_gmr_build_descriptors(struct list_head *desc_pages,
>
>   		if (likely(page_virtual != NULL)) {
>   			desc_virtual->ppn = page_to_pfn(page);
> -			kunmap_atomic(page_virtual, KM_USER0);
> +			kunmap_atomic(page_virtual);
>   		}
>
> -		page_virtual = kmap_atomic(page, KM_USER0);
> +		page_virtual = kmap_atomic(page);
>   		desc_virtual = page_virtual - 1;
>   		prev_pfn = ~(0UL);
>
> @@ -169,7 +169,7 @@ static int vmw_gmr_build_descriptors(struct list_head *desc_pages,
>   	}
>
>   	if (likely(page_virtual != NULL))
> -		kunmap_atomic(page_virtual, KM_USER0);
> +		kunmap_atomic(page_virtual);
>
>   	return 0;
>   out_err:


  reply	other threads:[~2012-02-10  7:05 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-10  5:39 [Resend PATCH 00/60] highmem: remove the second argument of k[un]map_atomic() Cong Wang
2012-02-10  5:39 ` [PATCH 01/60] highmem: mark k[un]map_atomic() with two arguments as deprecated Cong Wang
2012-02-17 23:59   ` Andrew Morton
2012-02-19 14:57     ` Cong Wang
2012-02-10  5:39 ` [PATCH 02/60] include/linux/highmem.h: remove the second argument of k[un]map_atomic() Cong Wang
2012-02-10  5:39 ` [PATCH 03/60] arm: " Cong Wang
2012-02-10  5:39 ` [PATCH 04/60] mips: " Cong Wang
2012-02-10  5:39 ` [PATCH 05/60] powerpc: " Cong Wang
2012-02-10  5:39 ` [PATCH 06/60] sh: " Cong Wang
2012-02-10  5:39 ` [PATCH 07/60] um: " Cong Wang
2012-02-10  5:39 ` [PATCH 08/60] x86: " Cong Wang
2012-02-10  5:39 ` [PATCH 09/60] crypto: " Cong Wang
2012-02-10  5:39 ` [PATCH 10/60] ata: " Cong Wang
2012-02-10  5:39 ` [PATCH 11/60] block: " Cong Wang
2012-02-10  5:39 ` [PATCH 12/60] crypto: " Cong Wang
2012-02-10  5:39 ` [PATCH 13/60] edac: " Cong Wang
2012-02-10  5:39 ` [PATCH 14/60] drm: " Cong Wang
2012-02-10  7:05   ` Thomas Hellstrom [this message]
2012-02-10  5:39 ` [PATCH 15/60] ide: " Cong Wang
2012-02-10  5:39 ` [PATCH 16/60] infiniband: " Cong Wang
2012-02-10  5:39 ` [PATCH 17/60] md: " Cong Wang
2012-02-10  5:39 ` [PATCH 18/60] media: " Cong Wang
2012-02-10  5:39 ` [PATCH 19/60] memstick: " Cong Wang
2012-02-10  5:39 ` [PATCH 20/60] net: " Cong Wang
2012-02-10  5:39 ` [PATCH 22/60] hv: " Cong Wang
2012-02-10  5:39 ` [PATCH 23/60] rtl8192u: " Cong Wang
2012-02-10  5:39 ` [PATCH 24/60] zram: " Cong Wang
2012-02-10  5:39 ` [PATCH 25/60] target: " Cong Wang
2012-02-10 22:18   ` Nicholas A. Bellinger
2012-02-13  7:44     ` Cong Wang
2012-02-10  5:39 ` [PATCH 26/60] vhost: " Cong Wang
2012-02-10  5:39 ` [PATCH 27/60] fs: " Cong Wang
2012-02-10  5:39 ` [PATCH 28/60] btrfs: " Cong Wang
2012-02-10  5:39 ` [PATCH 29/60] ecryptfs: " Cong Wang
2012-02-10 20:16   ` Tyler Hicks
2012-02-13  7:46     ` Cong Wang
2012-02-10  5:39 ` [PATCH 30/60] afs: " Cong Wang
2012-02-10  5:39 ` [PATCH 31/60] exofs: " Cong Wang
2012-02-10  5:39 ` [PATCH 32/60] ext2: " Cong Wang
2012-02-10  5:39 ` [PATCH 33/60] fuse: " Cong Wang
2012-02-10  5:39 ` [PATCH 34/60] gfs2: " Cong Wang
2012-02-10  5:39 ` [PATCH 35/60] jbd: " Cong Wang
2012-02-10  5:39 ` [PATCH 36/60] jbd2: " Cong Wang
2012-02-10  5:39 ` [PATCH 37/60] logfs: " Cong Wang
2012-02-10  5:39 ` [PATCH 38/60] minix: " Cong Wang
2012-02-10  5:40 ` [PATCH 39/60] nfs: " Cong Wang
2012-02-10  5:40 ` [PATCH 40/60] nilfs2: " Cong Wang
2012-02-10  5:40 ` [PATCH 41/60] ntfs: " Cong Wang
2012-02-10  5:40 ` [PATCH 42/60] ocfs2: " Cong Wang
2012-02-10  5:40 ` [PATCH 43/60] reiserfs: " Cong Wang
2012-02-10  5:40 ` [PATCH 44/60] squashfs: " Cong Wang
2012-02-10  5:40 ` [PATCH 45/60] ubifs: " Cong Wang
2012-02-10  5:40 ` [PATCH 46/60] udf: " Cong Wang
2012-02-10  5:40 ` [PATCH 47/60] kdb: " Cong Wang
2012-02-10  5:40 ` [PATCH 48/60] power: " Cong Wang
2012-02-10  5:40 ` [PATCH 49/60] lib: " Cong Wang
2012-02-10  5:40 ` [PATCH 50/60] mm: " Cong Wang
2012-02-10  5:40 ` [PATCH 51/60] net: " Cong Wang
2012-02-10  5:40 ` [PATCH 52/60] rds: " Cong Wang
2012-02-10  5:40 ` [PATCH 53/60] sunrpc: " Cong Wang
2012-02-10  5:40 ` [PATCH 54/60] tomoyo: " Cong Wang
2012-02-10  5:40 ` [PATCH 55/60] dm: " Cong Wang
2012-02-10  5:40 ` [PATCH 56/60] gma500: " Cong Wang
2012-02-10  5:40 ` [PATCH 57/60] zcache: " Cong Wang
2012-02-10  5:40 ` [PATCH 58/60] drbd: " Cong Wang
     [not found]   ` <CA+xKNSgdt7mc2NYTbprFspE54R_4T4PTzyGKyKESqBRyaNCPJg@mail.gmail.com>
2012-02-13  7:43     ` [Drbd-dev] " Cong Wang
2012-02-10  5:40 ` [PATCH 60/60] feature-removal-schedule.txt: schedule the deprecated form of kmap_atomic() for removal Cong Wang
     [not found] ` <1328852421-19678-60-git-send-email-amwang@redhat.com>
2012-02-10 13:05   ` [PATCH 59/60] highmem: kill all __kmap_atomic() [swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename] Chris Metcalf

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