Commit-ID: 2c74d66624ddbda8101d54d1e184cf9229b378bc
Gitweb: http://git.kernel.org/tip/2c74d66624ddbda8101d54d1e184cf9229b378bc
Author: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
AuthorDate: Wed, 18 Mar 2009 08:22:30 +1030
Commit: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 18 Mar 2009 09:47:54 +0100
x86, uv: fix cpumask iterator in uv_bau_init()
Impact: fix boot crash on UV systems
Commit 76ba0ecda0de9accea9a91cb6dbde46782110e1c "cpumask: use
cpumask_var_t in uv_flush_tlb_others" used cur_cpu as an iterator;
it was supposed to be zero for the code below it.
Reported-by: Cliff Wickman <cpw@xxxxxxx>
Original-From: Cliff Wickman <cpw@xxxxxxx>
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Acked-by: Mike Travis <travis@xxxxxxx>
Cc: steiner@xxxxxxx
Cc: <stable@xxxxxxxxxx>
LKML-Reference: <200903180822.31196.rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/kernel/tlb_uv.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index d038b9c..79c0732 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -750,7 +750,7 @@ static int __init uv_bau_init(void)
int node;
int nblades;
int last_blade;
- int cur_cpu = 0;
+ int cur_cpu;
if (!is_uv_system())
return 0;
@@ -760,6 +760,7 @@ static int __init uv_bau_init(void)
uv_mmask = (1UL << uv_hub_info->n_val) - 1;
nblades = 0;
last_blade = -1;
+ cur_cpu = 0;
for_each_online_node(node) {
blade = uv_node_to_blade_id(node);
if (blade == last_blade)
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|