From: Matthew Wilcox <matthew.r.wilcox@intel.com>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, willy@linux.intel.com
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>
Subject: [PATCH v6 03/22] axonram: Fix bug in direct_access
Date: Tue, 25 Feb 2014 09:18:19 -0500 [thread overview]
Message-ID: <1393337918-28265-4-git-send-email-matthew.r.wilcox@intel.com> (raw)
In-Reply-To: <1393337918-28265-1-git-send-email-matthew.r.wilcox@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>
---
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;
}
--
1.8.5.3
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next prev parent reply other threads:[~2014-02-25 14:18 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-25 14:18 [PATCH v6 00/22] Support ext4 on NV-DIMMs Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 01/22] Fix XIP fault vs truncate race Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 02/22] Allow page fault handlers to perform the COW Matthew Wilcox
2014-02-25 14:18 ` Matthew Wilcox [this message]
2014-02-25 14:18 ` [PATCH v6 04/22] Change direct_access calling convention Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 05/22] Introduce IS_DAX(inode) Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 06/22] Replace XIP read and write with DAX I/O Matthew Wilcox
2014-03-11 0:32 ` Toshi Kani
2014-03-11 12:53 ` Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 07/22] Replace the XIP page fault handler with the DAX page fault handler Matthew Wilcox
2014-02-28 17:49 ` Toshi Kani
2014-02-28 20:20 ` Matthew Wilcox
2014-02-28 22:18 ` Toshi Kani
2014-03-02 23:30 ` Dave Chinner
2014-03-03 23:07 ` Ross Zwisler
2014-03-04 0:56 ` Dave Chinner
2014-03-20 19:38 ` Matthew Wilcox
2014-03-20 23:55 ` Dave Chinner
2014-02-25 14:18 ` [PATCH v6 08/22] Replace xip_truncate_page with dax_truncate_page Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 09/22] Remove mm/filemap_xip.c Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 10/22] Remove get_xip_mem Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 11/22] Replace ext2_clear_xip_target with dax_clear_blocks Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 12/22] ext2: Remove ext2_xip_verify_sb() Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 13/22] ext2: Remove ext2_use_xip Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 14/22] ext2: Remove xip.c and xip.h Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 15/22] Remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 16/22] ext2: Remove ext2_aops_xip Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 17/22] Get rid of most mentions of XIP in ext2 Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 18/22] xip: Add xip_zero_page_range Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 19/22] ext4: Make ext4_block_zero_page_range static Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 20/22] ext4: Add DAX functionality Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 21/22] ext4: Fix typos Matthew Wilcox
2014-02-25 14:18 ` [PATCH v6 22/22] dax: Add reporting of major faults Matthew Wilcox
2014-02-26 15:07 ` [PATCH v6 23/22] Bugfixes Matthew Wilcox
2014-02-27 14:01 ` [PATCH v6 00/22] Support ext4 on NV-DIMMs Florian Weimer
2014-02-27 16:29 ` Matthew Wilcox
2014-02-27 16:36 ` Florian Weimer
2014-03-02 8:22 ` Pavel Machek
[not found] ` <CF4DEE22.25C8F%matthew.r.wilcox@intel.com>
2014-03-18 18:45 ` [PATCH v6 20/22] ext4: Add DAX functionality Ross Zwisler
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