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| author | Nathan Scott <nathans@sgi.com> | 2006-06-20 06:56:23 +0200 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-06-20 06:56:23 +0200 |
| commit | 98174e46974323e4941c72e46345f7277755e146 (patch) | |
| tree | c4644c8f38a519cfb3929d1175fc7107eefe48b9 /arch/sparc/kernel/smp.c | |
| parent | [XFS] Remove files from the build that are now unused. (diff) | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| download | linux-98174e46974323e4941c72e46345f7277755e146.tar.xz linux-98174e46974323e4941c72e46345f7277755e146.zip | |
Merge HEAD from ../linux-2.6
Diffstat (limited to 'arch/sparc/kernel/smp.c')
| -rw-r--r-- | arch/sparc/kernel/smp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c index a93f5da6855d..40b42c88e6a7 100644 --- a/arch/sparc/kernel/smp.c +++ b/arch/sparc/kernel/smp.c @@ -69,6 +69,17 @@ void __init smp_store_cpu_info(int id) "clock-frequency", 0); cpu_data(id).prom_node = cpu_node; cpu_data(id).mid = cpu_get_hwmid(cpu_node); + + /* this is required to tune the scheduler correctly */ + /* is it possible to have CPUs with different cache sizes? */ + if (id == boot_cpu_id) { + int cache_line,cache_nlines; + cache_line = 0x20; + cache_line = prom_getintdefault(cpu_node, "ecache-line-size", cache_line); + cache_nlines = 0x8000; + cache_nlines = prom_getintdefault(cpu_node, "ecache-nlines", cache_nlines); + max_cache_size = cache_line * cache_nlines; + } if (cpu_data(id).mid < 0) panic("No MID found for CPU%d at node 0x%08d", id, cpu_node); } |