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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 v8 03/22] axonram: Fix bug in direct_access
Date: Tue, 22 Jul 2014 15:47:51 -0400	[thread overview]
Message-ID: <eee43fe81080cb2b6eba77f84e2b48ea6bc07573.1406058387.git.matthew.r.wilcox@intel.com> (raw)
In-Reply-To: <cover.1406058387.git.matthew.r.wilcox@intel.com>
In-Reply-To: <cover.1406058387.git.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>
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;
 }
-- 
2.0.0


  parent reply	other threads:[~2014-07-22 19:48 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-22 19:47 [PATCH v8 00/22] Support ext4 on NV-DIMMs Matthew Wilcox
2014-07-22 19:47 ` [PATCH v8 01/22] Fix XIP fault vs truncate race Matthew Wilcox
2014-07-23 11:21   ` Kirill A. Shutemov
2014-07-22 19:47 ` [PATCH v8 02/22] Allow page fault handlers to perform the COW Matthew Wilcox
2014-07-23 11:23   ` Kirill A. Shutemov
2014-07-22 19:47 ` Matthew Wilcox [this message]
2014-07-23 11:24   ` [PATCH v8 03/22] axonram: Fix bug in direct_access Kirill A. Shutemov
2014-07-22 19:47 ` [PATCH v8 04/22] Change direct_access calling convention Matthew Wilcox
2014-07-30 16:03   ` Boaz Harrosh
2014-07-30 16:12     ` Boaz Harrosh
2014-07-30 20:34       ` Matthew Wilcox
2014-07-31 10:16         ` Boaz Harrosh
2014-07-30 19:45     ` Matthew Wilcox
2014-07-31 10:11       ` Boaz Harrosh
2014-07-31 14:13         ` Matthew Wilcox
2014-07-31 15:28           ` Boaz Harrosh
2014-07-31 17:19             ` Matthew Wilcox
2014-07-31 18:04               ` Boaz Harrosh
2014-07-31 20:30                 ` Zwisler, Ross
2014-08-01 18:45                   ` Zwisler, Ross
2014-07-22 19:47 ` [PATCH v8 05/22] Add vm_replace_mixed() Matthew Wilcox
2014-07-23  9:10   ` Jan Kara
2014-07-23 11:45   ` Kirill A. Shutemov
2014-07-23 13:52     ` Matthew Wilcox
2014-07-23 14:20       ` Kirill A. Shutemov
2014-07-23 14:27         ` Matthew Wilcox
2014-07-23 15:55           ` Kirill A. Shutemov
2014-07-24  1:36             ` Zhang, Tianfei
2014-07-25 19:44             ` Matthew Wilcox
2014-07-28 13:25               ` Kirill A. Shutemov
2014-07-29  1:55                 ` Zhang, Tianfei
2014-07-22 19:47 ` [PATCH v8 06/22] Introduce IS_DAX(inode) Matthew Wilcox
2014-07-22 19:47 ` [PATCH v8 07/22] Add copy_to_iter(), copy_from_iter() and iov_iter_zero() Matthew Wilcox
2014-07-22 19:47 ` [PATCH v8 08/22] Replace XIP read and write with DAX I/O Matthew Wilcox
2014-07-22 19:47 ` [PATCH v8 09/22] Replace ext2_clear_xip_target with dax_clear_blocks Matthew Wilcox
2014-07-22 19:47 ` [PATCH v8 10/22] Replace the XIP page fault handler with the DAX page fault handler Matthew Wilcox
2014-07-23 12:10   ` Kirill A. Shutemov
2014-07-23 13:55     ` Matthew Wilcox
2014-07-23 14:10       ` [PATCH v8 00/22] Support ext4 on NV-DIMMs Howard Chu
2014-07-23 14:34         ` Matthew Wilcox
2014-07-23 15:28           ` Howard Chu
2014-07-23 20:55             ` Theodore Ts'o
2014-07-23 16:57   ` [PATCH v8 10/22] Replace the XIP page fault handler with the DAX page fault handler Boaz Harrosh
2014-07-23 19:57     ` Matthew Wilcox
2014-07-22 19:47 ` [PATCH v8 11/22] Replace xip_truncate_page with dax_truncate_page Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 12/22] Replace XIP documentation with DAX documentation Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 13/22] Remove get_xip_mem Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 14/22] ext2: Remove ext2_xip_verify_sb() Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 15/22] ext2: Remove ext2_use_xip Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 16/22] ext2: Remove xip.c and xip.h Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 17/22] Remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 18/22] ext2: Remove ext2_aops_xip Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 19/22] Get rid of most mentions of XIP in ext2 Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 20/22] xip: Add xip_zero_page_range Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 21/22] ext4: Add DAX functionality Matthew Wilcox
2014-07-22 19:48 ` [PATCH v8 22/22] brd: Rename XIP to DAX Matthew Wilcox
2014-07-23 12:30 ` [PATCH v8 00/22] Support ext4 on NV-DIMMs Kirill A. Shutemov
2014-07-23 13:59   ` Matthew Wilcox
2014-07-23 15:58 ` Boaz Harrosh
2014-07-23 19:50   ` Matthew Wilcox
2014-07-24 18:51     ` Ross Zwisler

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