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From: Jan Kara <jack@suse.cz>
To: Matthew Wilcox <matthew.r.wilcox@intel.com>
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, willy@linux.intel.com
Subject: Re: [PATCH v7 03/22] axonram: Fix bug in direct_access
Date: Sat, 29 Mar 2014 17:22:16 +0100	[thread overview]
Message-ID: <20140329162216.GC1211@quack.suse.cz> (raw)
In-Reply-To: <e3ede380dd37d3cae604ee20198e568c9eb4fa00.1395591795.git.matthew.r.wilcox@intel.com>

On Sun 23-03-14 15:08:29, Matthew Wilcox wrote:
> The 'pfn' returned by axonram was completely bogus, and has been since
> 2008.
  Maybe time to drop the driver instead? When noone noticed for 6 years, it
seems pretty much dead... Or is there some possibility the driver can get
reused for new HW?

  Anyway the patch looks correct so feel free to add:
Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> 
> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
> ---
>  arch/powerpc/sysdev/axonram.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
> index 47b6b9f..830edc8 100644
> --- a/arch/powerpc/sysdev/axonram.c
> +++ b/arch/powerpc/sysdev/axonram.c
> @@ -156,7 +156,7 @@ axon_ram_direct_access(struct block_device *device, sector_t sector,
>  	}
>  
>  	*kaddr = (void *)(bank->ph_addr + offset);
> -	*pfn = virt_to_phys(kaddr) >> PAGE_SHIFT;
> +	*pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT;
>  
>  	return 0;
>  }
> -- 
> 1.9.0
> 
> --
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-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR

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  reply	other threads:[~2014-03-29 16:22 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-23 19:08 [PATCH v7 00/22] Support ext4 on NV-DIMMs Matthew Wilcox
2014-03-23 19:08 ` [PATCH v7 01/22] Fix XIP fault vs truncate race Matthew Wilcox
2014-03-29 15:57   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 02/22] Allow page fault handlers to perform the COW Matthew Wilcox
2014-04-08 16:34   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 03/22] axonram: Fix bug in direct_access Matthew Wilcox
2014-03-29 16:22   ` Jan Kara [this message]
2014-04-02 19:24     ` Matthew Wilcox
2014-03-23 19:08 ` [PATCH v7 04/22] Change direct_access calling convention Matthew Wilcox
2014-03-29 16:30   ` Jan Kara
2014-04-02 19:27     ` Matthew Wilcox
2014-03-23 19:08 ` [PATCH v7 05/22] Introduce IS_DAX(inode) Matthew Wilcox
2014-04-08 15:32   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 06/22] Replace XIP read and write with DAX I/O Matthew Wilcox
2014-04-08 17:56   ` Jan Kara
2014-04-08 20:21     ` Matthew Wilcox
2014-04-09  9:14       ` Jan Kara
2014-04-09 15:19         ` Matthew Wilcox
2014-04-09 20:55           ` Jan Kara
2014-04-13 18:05             ` Matthew Wilcox
2014-04-09 12:04   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 07/22] Replace the XIP page fault handler with the DAX page fault handler Matthew Wilcox
2014-04-08 22:05   ` Jan Kara
2014-04-09 20:48     ` Matthew Wilcox
2014-04-09 21:12       ` Jan Kara
2014-04-13 11:21         ` Matthew Wilcox
2014-04-14 16:04           ` Jan Kara
2014-04-09 10:27   ` Jan Kara
2014-04-09 20:51     ` Matthew Wilcox
2014-04-09 21:43       ` Jan Kara
2014-04-13 18:03         ` Matthew Wilcox
2014-07-29 12:12         ` Matthew Wilcox
2014-07-29 21:04           ` Jan Kara
2014-07-29 21:23             ` Matthew Wilcox
2014-07-30  9:52               ` Jan Kara
2014-07-30 21:02                 ` Matthew Wilcox
2014-08-09 11:00                 ` Matthew Wilcox
2014-08-11  8:51                   ` Jan Kara
2014-08-11 14:13                     ` Matthew Wilcox
2014-08-11 14:35                       ` Jan Kara
2014-08-11 15:02                         ` Matthew Wilcox
2014-08-11 15:25                           ` Jan Kara
2014-05-21 20:35   ` Toshi Kani
2014-06-05 22:38     ` Toshi Kani
2014-03-23 19:08 ` [PATCH v7 08/22] Replace xip_truncate_page with dax_truncate_page Matthew Wilcox
2014-04-08 22:17   ` Jan Kara
2014-04-09  9:26     ` Jan Kara
2014-04-13 19:07       ` Matthew Wilcox
2014-03-23 19:08 ` [PATCH v7 09/22] Remove mm/filemap_xip.c Matthew Wilcox
2014-04-08 18:21   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 10/22] Remove get_xip_mem Matthew Wilcox
2014-04-08 18:20   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 11/22] Replace ext2_clear_xip_target with dax_clear_blocks Matthew Wilcox
2014-04-09  9:46   ` Jan Kara
2014-04-10 14:16     ` Matthew Wilcox
2014-04-10 18:31       ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 12/22] ext2: Remove ext2_xip_verify_sb() Matthew Wilcox
2014-04-09  9:52   ` Jan Kara
2014-04-10 14:22     ` Matthew Wilcox
2014-04-10 18:35       ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 13/22] ext2: Remove ext2_use_xip Matthew Wilcox
2014-04-09  9:55   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 14/22] ext2: Remove xip.c and xip.h Matthew Wilcox
2014-04-09  9:59   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 15/22] Remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX Matthew Wilcox
2014-04-09  9:59   ` Jan Kara
2014-04-10 14:23     ` Matthew Wilcox
2014-03-23 19:08 ` [PATCH v7 16/22] ext2: Remove ext2_aops_xip Matthew Wilcox
2014-04-09 10:02   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 17/22] Get rid of most mentions of XIP in ext2 Matthew Wilcox
2014-04-09 10:04   ` Jan Kara
2014-04-10 14:26     ` Matthew Wilcox
2014-04-10 18:40       ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 18/22] xip: Add xip_zero_page_range Matthew Wilcox
2014-04-09 10:15   ` Jan Kara
2014-04-10 14:27     ` Matthew Wilcox
2014-04-10 18:43       ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 19/22] ext4: Make ext4_block_zero_page_range static Matthew Wilcox
2014-03-24 19:11   ` tytso
2014-03-23 19:08 ` [PATCH v7 20/22] ext4: Add DAX functionality Matthew Wilcox
2014-04-09 12:17   ` Jan Kara
2014-03-23 19:08 ` [PATCH v7 21/22] ext4: Fix typos Matthew Wilcox
2014-03-24 19:16   ` tytso
2014-03-23 19:08 ` [PATCH v7 22/22] brd: Rename XIP to DAX Matthew Wilcox
2014-04-09 10:07   ` Jan Kara
2014-05-18 14:58 ` [PATCH v7 00/22] Support ext4 on NV-DIMMs Boaz Harrosh
2014-05-18 23:24   ` Matthew Wilcox
2014-06-17 18:11 ` Boaz Harrosh
2014-06-17 18:19   ` Matthew Wilcox
2014-06-17 18:39     ` Boaz Harrosh

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