diff options
| author | Nick Piggin <npiggin@suse.de> | 2008-07-30 15:23:13 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-30 15:26:54 +1000 |
| commit | ce0ad7f0952581ba75ab6aee55bb1ed9bb22cf4f (patch) | |
| tree | bf2a8845a031cb685219db2ddcb3d296b4a9ffab /drivers/scsi/scsi_error.c | |
| parent | 7d2a175b9bf6e9422bebe95130a3c79a25ff4602 (diff) | |
powerpc/mm: Lockless get_user_pages_fast() for 64-bit (v3)
Implement lockless get_user_pages_fast for 64-bit powerpc.
Page table existence is guaranteed with RCU, and speculative page references
are used to take a reference to the pages without having a prior existence
guarantee on them.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/scsi/scsi_error.c')
0 files changed, 0 insertions, 0 deletions