From c79f76777d678ba454aa727800e1386a1fd1f2e8 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 20 Feb 2006 22:56:01 -0800
Subject: [PATCH] [SPARC64]: Args to SUNW,set-trap-table are 64-bit.
They were getting truncated to 32-bit and this is very bad
when your MMU fault status area is in physical memory above
4GB on SUN4V.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/prom/misc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c
index 36d2b9c1622..90df42141b1 100644
--- a/arch/sparc64/prom/misc.c
+++ b/arch/sparc64/prom/misc.c
@@ -133,12 +133,17 @@ int prom_getprev(void)
/* Install Linux trap table so PROM uses that instead of its own. */
void prom_set_trap_table(unsigned long tba)
{
- p1275_cmd("SUNW,set-trap-table", P1275_INOUT(1, 0), tba);
+ p1275_cmd("SUNW,set-trap-table",
+ (P1275_ARG(0, P1275_ARG_IN_64B) |
+ P1275_INOUT(1, 0)), tba);
}
void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa)
{
- p1275_cmd("SUNW,set-trap-table", P1275_INOUT(2, 0), tba, mmfsa);
+ p1275_cmd("SUNW,set-trap-table",
+ (P1275_ARG(0, P1275_ARG_IN_64B) |
+ P1275_ARG(1, P1275_ARG_IN_64B) |
+ P1275_INOUT(2, 0)), tba, mmfsa);
}
int prom_get_mmu_ihandle(void)
--
2.20.1