From: Matthew Wilcox <matthew.r.wilcox@intel.com>
To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>, willy@linux.intel.com
Subject: [PATCH v9 01/22] axonram: Fix bug in direct_access
Date: Fri, 1 Aug 2014 09:27:17 -0400 [thread overview]
Message-ID: <55fc8f9c41f5350977e8188421fc40d8a414e7a3.1406897885.git.willy@linux.intel.com> (raw)
In-Reply-To: <cover.1406897885.git.willy@linux.intel.com>
In-Reply-To: <cover.1406897885.git.willy@linux.intel.com>
The 'pfn' returned by axonram was completely bogus, and has been since
2008.
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
---
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;
}
--
2.0.1
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next prev parent reply other threads:[~2014-08-01 13:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-01 13:27 [PATCH v9 00/22] Support ext4 on NV-DIMMs Matthew Wilcox
2014-08-01 13:27 ` Matthew Wilcox [this message]
2014-08-01 13:27 ` [PATCH v9 02/22] Change direct_access calling convention Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 03/22] Fix XIP fault vs truncate race Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 04/22] Allow page fault handlers to perform the COW Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 05/22] Introduce IS_DAX(inode) Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 06/22] Add copy_to_iter(), copy_from_iter() and iov_iter_zero() Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 07/22] Replace XIP read and write with DAX I/O Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 08/22] Replace ext2_clear_xip_target with dax_clear_blocks Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 09/22] Replace the XIP page fault handler with the DAX page fault handler Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 10/22] Replace xip_truncate_page with dax_truncate_page Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 11/22] Replace XIP documentation with DAX documentation Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 12/22] Remove get_xip_mem Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 13/22] ext2: Remove ext2_xip_verify_sb() Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 14/22] ext2: Remove ext2_use_xip Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 15/22] ext2: Remove xip.c and xip.h Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 16/22] Remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 17/22] ext2: Remove ext2_aops_xip Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 18/22] Get rid of most mentions of XIP in ext2 Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 19/22] xip: Add xip_zero_page_range Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 20/22] ext4: Avoid lock inversion between i_mmap_mutex and transaction start Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 21/22] ext4: Add DAX functionality Matthew Wilcox
2014-08-01 13:27 ` [PATCH v9 22/22] brd: Rename XIP to DAX Matthew Wilcox
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