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| author | David S. Miller <davem@davemloft.net> | 2011-07-29 18:42:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-03 06:28:50 +0200 |
| commit | ef7c4d4675d2a9206f913f26ca1a5cd41bff9d41 (patch) | |
| tree | 88839b80e603ba395882df98b8a8c8f8385337b1 /arch/sparc/kernel/entry.h | |
| parent | sparc: Minor tweaks to Niagara page copy/clear. (diff) | |
| download | linux-ef7c4d4675d2a9206f913f26ca1a5cd41bff9d41.tar.xz linux-ef7c4d4675d2a9206f913f26ca1a5cd41bff9d41.zip | |
sparc: Use popc if possible for hweight routines.
Just like powerpc, we code patch at boot time.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/entry.h')
| -rw-r--r-- | arch/sparc/kernel/entry.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index d1f1361c4167..16d1545d84fc 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -42,6 +42,13 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr, extern void fpload(unsigned long *fpregs, unsigned long *fsr); #else /* CONFIG_SPARC32 */ +struct popc_3insn_patch_entry { + unsigned int addr; + unsigned int insns[3]; +}; +extern struct popc_3insn_patch_entry __popc_3insn_patch, + __popc_3insn_patch_end; + extern void __init per_cpu_patch(void); extern void __init sun4v_patch(void); extern void __init boot_cpu_id_too_large(int cpu); |