From e8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Wed, 5 Nov 2008 22:13:44 -0600 Subject: x86: uv: Add UV memory protection bios call Add UV bios call to change memory protections. Signed-off-by: Russ Anderson Signed-off-by: H. Peter Anvin --- arch/x86/kernel/bios_uv.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/x86/kernel/bios_uv.c') 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, -- cgit v1.2.3