From: George Beshers <gbeshers@redhat.com>
Date: Thu, 31 Jul 2008 15:32:58 -0400
Subject: [IA64] PAL calls need physical mode, stacked
Message-id: 20080731192703.4411.10849.sendpatchset@dhcp-100-2-194.bos.redhat.com
O-Subject: [RHEL5.3 PATCH 4/19] [IA64] PAL calls need physical mode, stacked
Bugzilla: 455308
RH-Acked-by: Prarit Bhargava <prarit@redhat.com>

[patch] PAL calls need physical mode, stacked

BZ#455308

Upstream: http://git.kernel.org/?p=linux/kernel/git/aegl/linux-2.6.git;a=commit;h=b29e7132b5a9f2496beed37beef7ba4d010afb2c

PAL_CACHE_READ and PAL_CACHE_WRITE need to be called in physical
mode with stacked registers.

Signed-off-by: Russ Anderson (rja@sgi.com)

diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index 74f089e..62ec52a 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -970,11 +970,12 @@ static inline s64
 ia64_pal_cache_read (pal_cache_line_id_u_t line_id, u64 physical_addr)
 {
 	struct ia64_pal_retval iprv;
-	PAL_CALL(iprv, PAL_CACHE_READ, line_id.pclid_data, physical_addr, 0);
+	PAL_CALL_PHYS_STK(iprv, PAL_CACHE_READ, line_id.pclid_data,
+				physical_addr, 0);
 	return iprv.status;
 }
 
-/* Return summary information about the heirarchy of caches controlled by the processor */
+/* Return summary information about the hierarchy of caches controlled by the processor */
 static inline s64
 ia64_pal_cache_summary (u64 *cache_levels, u64 *unique_caches)
 {
@@ -992,7 +993,8 @@ static inline s64
 ia64_pal_cache_write (pal_cache_line_id_u_t line_id, u64 physical_addr, u64 data)
 {
 	struct ia64_pal_retval iprv;
-	PAL_CALL(iprv, PAL_CACHE_WRITE, line_id.pclid_data, physical_addr, data);
+	PAL_CALL_PHYS_STK(iprv, PAL_CACHE_WRITE, line_id.pclid_data,
+				physical_addr, data);
 	return iprv.status;
 }