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| author | Olof Johansson <olof@lixom.net> | 2007-11-20 12:24:45 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-11-20 13:56:31 +1100 |
| commit | fbe481756df57673b6acbcd2e139d0d2658f2188 (patch) | |
| tree | f1981a79330e1eeaa2294516587bf338f4a6476e /include/asm-powerpc | |
| parent | 92e21e79a85924ddda00f4678d60bbd8f891a553 (diff) | |
| download | linux-stable-fbe481756df57673b6acbcd2e139d0d2658f2188.tar.gz linux-stable-fbe481756df57673b6acbcd2e139d0d2658f2188.tar.bz2 linux-stable-fbe481756df57673b6acbcd2e139d0d2658f2188.zip | |
[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')
| -rw-r--r-- | include/asm-powerpc/vdso_datapage.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h index 8a94f0eba5e9..f01393224b52 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 */ |