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| author | Paul Mundt <lethal@linux-sh.org> | 2006-12-25 03:51:47 +0300 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-02-13 04:54:45 +0300 |
| commit | aec5e0e1c179fac4bbca4007a3f0d3107275a73c (patch) | |
| tree | 3b251e52a89445a5546f398fb16a002435b6c2b6 /arch/sh/kernel/cpu/init.c | |
| parent | 506b85f4114b912d2e91fab8da9849289e43857f (diff) | |
| download | linux-aec5e0e1c179fac4bbca4007a3f0d3107275a73c.tar.xz | |
sh: Use a per-cpu ASID cache.
Previously this was implemented using a global cache, cache
this per-CPU instead and bump up the number of context IDs to
match NR_CPUS.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/init.c')
| -rw-r--r-- | arch/sh/kernel/cpu/init.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 48121766e8d2..6c3c7687e81f 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -3,7 +3,7 @@ * * CPU init code * - * Copyright (C) 2002, 2003 Paul Mundt + * Copyright (C) 2002 - 2006 Paul Mundt * Copyright (C) 2003 Richard Curnow * * This file is subject to the terms and conditions of the GNU General Public @@ -12,6 +12,8 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/mm.h> +#include <asm/mmu_context.h> #include <asm/processor.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -218,6 +220,12 @@ asmlinkage void __init sh_cpu_init(void) clear_used_math(); } + /* + * Initialize the per-CPU ASID cache very early, since the + * TLB flushing routines depend on this being setup. + */ + current_cpu_data.asid_cache = NO_CONTEXT; + #ifdef CONFIG_SH_DSP /* Probe for DSP */ dsp_init(); @@ -240,4 +248,3 @@ asmlinkage void __init sh_cpu_init(void) ubc_wakeup(); #endif } - |