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| author | Russ Anderson <rja@sgi.com> | 2008-11-05 22:13:44 -0600 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-11-05 20:30:20 -0800 |
| commit | e8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc (patch) | |
| tree | aa6d3ed8f4624a59c34be3b0c93f52bd0bc40016 /arch/x86/kernel/bios_uv.c | |
| parent | 64ccf2f9a70a06ba56cd8cedfa610b4e77181587 (diff) | |
| download | blackbird-op-linux-e8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc.tar.gz blackbird-op-linux-e8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc.zip | |
x86: uv: Add UV memory protection bios call
Add UV bios call to change memory protections.
Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/bios_uv.c')
| -rw-r--r-- | arch/x86/kernel/bios_uv.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index 4c02b2799216..7cf6fc3d1c10 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -134,6 +134,14 @@ uv_bios_mq_watchlist_free(int blade, int watchlist_num) } EXPORT_SYMBOL_GPL(uv_bios_mq_watchlist_free); +s64 +uv_bios_change_memprotect(u64 paddr, u64 len, enum uv_memprotect perms) +{ + return uv_bios_call_irqsave(UV_BIOS_MEMPROTECT, paddr, len, + perms, 0, 0); +} +EXPORT_SYMBOL_GPL(uv_bios_change_memprotect); + s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second) { return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type, |
