+++ /dev/null
-From: Russ Anderson <rja@sgi.com>
-Subject: Add UV bios call to change memory protections.
-References: bnc#442455
-
-
-Add UV bios call to change memory protections.
-
-Signed-off-by: Russ Anderson <rja@sgi.com>
-Acked-by: Bernhard Walle <bwalle@suse.de>
-
----
- arch/x86/kernel/bios_uv.c | 8 ++++++++
- include/asm-x86/uv/bios.h | 10 +++++++++-
- 2 files changed, 17 insertions(+), 1 deletion(-)
-
-Index: linux/arch/x86/kernel/bios_uv.c
-===================================================================
---- linux.orig/arch/x86/kernel/bios_uv.c 2008-11-05 11:12:16.101949483 -0600
-+++ linux/arch/x86/kernel/bios_uv.c 2008-11-05 11:13:15.289411601 -0600
-@@ -134,6 +134,14 @@ uv_bios_mq_watchlist_free(int blade, int
- }
- 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,
-Index: linux/include/asm-x86/uv/bios.h
-===================================================================
---- linux.orig/include/asm-x86/uv/bios.h 2008-11-05 11:12:16.117951501 -0600
-+++ linux/include/asm-x86/uv/bios.h 2008-11-05 11:13:15.301413114 -0600
-@@ -34,7 +34,8 @@ enum uv_bios_cmd {
- UV_BIOS_GET_SN_INFO,
- UV_BIOS_FREQ_BASE,
- UV_BIOS_WATCHLIST_ALLOC,
-- UV_BIOS_WATCHLIST_FREE
-+ UV_BIOS_WATCHLIST_FREE,
-+ UV_BIOS_MEMPROTECT
- };
-
- /*
-@@ -82,6 +83,12 @@ union uv_watchlist_u {
- };
- };
-
-+enum uv_memprotect {
-+ UV_MEMPROT_RESTRICT_ACCESS,
-+ UV_MEMPROT_ALLOW_AMO,
-+ UV_MEMPROT_ALLOW_RW
-+};
-+
- /*
- * bios calls have 6 parameters
- */
-@@ -94,6 +101,7 @@ extern s64 uv_bios_freq_base(u64, u64 *)
- extern int uv_bios_mq_watchlist_alloc(int, void *, unsigned int,
- unsigned long *);
- extern int uv_bios_mq_watchlist_free(int, int);
-+extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect);
-
- extern void uv_bios_init(void);
-