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| author | Ingo Molnar <mingo@kernel.org> | 2015-06-02 08:05:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-06-02 08:05:42 +0200 |
| commit | f407a8258610169cd8e975dba7f0b2824562014c (patch) | |
| tree | 6c87b2d168a4665411a9e16b9f481599f2db25bc /arch/sparc/kernel/setup_64.c | |
| parent | 960d447b94b22ceba286917056871d1dac8da697 (diff) | |
| parent | c46a024ea5eb0165114dbbc8c82c29b7bcf66e71 (diff) | |
| download | linux-f407a8258610169cd8e975dba7f0b2824562014c.tar.bz2 | |
Merge branch 'linus' into sched/core, to resolve conflict
Conflicts:
arch/sparc/include/asm/topology_64.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sparc/kernel/setup_64.c')
| -rw-r--r-- | arch/sparc/kernel/setup_64.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index c38d19fc27ba..f7b261749383 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -255,6 +255,24 @@ void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start, } } +void sun_m7_patch_2insn_range(struct sun4v_2insn_patch_entry *start, + struct sun4v_2insn_patch_entry *end) +{ + while (start < end) { + unsigned long addr = start->addr; + + *(unsigned int *) (addr + 0) = start->insns[0]; + wmb(); + __asm__ __volatile__("flush %0" : : "r" (addr + 0)); + + *(unsigned int *) (addr + 4) = start->insns[1]; + wmb(); + __asm__ __volatile__("flush %0" : : "r" (addr + 4)); + + start++; + } +} + static void __init sun4v_patch(void) { extern void sun4v_hvapi_init(void); @@ -267,6 +285,9 @@ static void __init sun4v_patch(void) sun4v_patch_2insn_range(&__sun4v_2insn_patch, &__sun4v_2insn_patch_end); + if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7) + sun_m7_patch_2insn_range(&__sun_m7_2insn_patch, + &__sun_m7_2insn_patch_end); sun4v_hvapi_init(); } |