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authorOlof Johansson <olof@lixom.net>2007-11-20 12:24:45 +1100
committerPaul Mackerras <paulus@samba.org>2007-11-20 13:56:31 +1100
commitfbe481756df57673b6acbcd2e139d0d2658f2188 (patch)
treef1981a79330e1eeaa2294516587bf338f4a6476e /include/asm-powerpc/vdso_datapage.h
parent92e21e79a85924ddda00f4678d60bbd8f891a553 (diff)
[POWERPC] vdso: Fixes for cache block sizes
The current VDSO implementation is hardcoded to 128 byte cache blocks, which are only used on IBM's 64-bit processors. Convert it to get the cache block sizes out of vdso_data instead, similar to how the ppc64 in-kernel cache flush does it. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/vdso_datapage.h')
-rw-r--r--include/asm-powerpc/vdso_datapage.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
index 8a94f0eba5e..f01393224b5 100644
--- a/include/asm-powerpc/vdso_datapage.h
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -77,6 +77,10 @@ struct vdso_data {
/* those additional ones don't have to be located anywhere
* special as they were not part of the original systemcfg
*/
+ __u32 dcache_block_size; /* L1 d-cache block size */
+ __u32 icache_block_size; /* L1 i-cache block size */
+ __u32 dcache_log_block_size; /* L1 d-cache log block size */
+ __u32 icache_log_block_size; /* L1 i-cache log block size */
__s32 wtom_clock_sec; /* Wall to monotonic clock */
__s32 wtom_clock_nsec;
__u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls */
@@ -99,6 +103,10 @@ struct vdso_data {
__s32 wtom_clock_sec; /* Wall to monotonic clock */
__s32 wtom_clock_nsec;
__u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
+ __u32 dcache_block_size; /* L1 d-cache block size */
+ __u32 icache_block_size; /* L1 i-cache block size */
+ __u32 dcache_log_block_size; /* L1 d-cache log block size */
+ __u32 icache_log_block_size; /* L1 i-cache log block size */
};
#endif /* CONFIG_PPC64 */