[GIT PULL] x86 fixes

Ingo Molnar
2011-03-10T08:10:10Z

Linus,

Please pull the latest x86-fixes-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus

Thanks,

Ingo

------------------>
Cliff Wickman (1):
x86, UV: Initialize the broadcast assist unit base destination node id properly

Daniel J Blueman (1):
x86, build: Make sure mkpiggy fails on read error

Yinghai Lu (1):
x86, numa: Fix numa_emulation code with memory-less node0

arch/x86/boot/compressed/mkpiggy.c | 7 ++++++-
arch/x86/include/asm/uv/uv_bau.h | 2 +-
arch/x86/mm/numa_64.c | 6 +-----
arch/x86/platform/uv/tlb_uv.c | 4 ++--
4 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 646aa78..46a8238 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -62,7 +62,12 @@ int main(int argc, char *argv[])
if (fseek(f, -4L, SEEK_END)) {
perror(argv[1]);
}
- fread(&olen, sizeof olen, 1, f);
+
+ if (fread(&olen, sizeof(olen), 1, f) != 1) {
+ perror(argv[1]);
+ return 1;
+ }
+
ilen = ftell(f);
olen = getle32(&olen);
fclose(f);
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index ce1d54c..3e094af 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -176,7 +176,7 @@ struct bau_msg_payload {
struct bau_msg_header {
unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */
/* bits 5:0 */
- unsigned int base_dest_nodeid:15; /* nasid (pnode<<1) of */
+ unsigned int base_dest_nodeid:15; /* nasid of the */
/* bits 20:6 */ /* first bit in uvhub map */
unsigned int command:8; /* message type */
/* bits 28:21 */
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 95ea155..1337c51 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -780,11 +780,7 @@ void __cpuinit numa_add_cpu(int cpu)
int physnid;
int nid = NUMA_NO_NODE;

- apicid = early_per_cpu(x86_cpu_to_apicid, cpu);
- if (apicid != BAD_APICID)
- nid = apicid_to_node[apicid];
- if (nid == NUMA_NO_NODE)
- nid = early_cpu_to_node(cpu);
+ nid = early_cpu_to_node(cpu);
BUG_ON(nid == NUMA_NO_NODE || !node_online(nid));

/*
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index df58e9c..a7b38d3 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1364,11 +1364,11 @@ uv_activation_descriptor_init(int node, int pnode)
memset(bd2, 0, sizeof(struct bau_desc));
bd2->header.sw_ack_flag = 1;
/*
- * base_dest_nodeid is the nasid (pnode<<1) of the first uvhub
+ * base_dest_nodeid is the nasid of the first uvhub
* in the partition. The bit map will indicate uvhub numbers,
* which are 0-N in a partition. Pnodes are unique system-wide.
*/
- bd2->header.base_dest_nodeid = uv_partition_base_pnode << 1;
+ bd2->header.base_dest_nodeid = UV_PNODE_TO_NASID(uv_partition_base_pnode);
bd2->header.dest_subnodeid = 0x10; /* the LB */
bd2->header.command = UV_NET_ENDPOINT_INTD;
bd2->header.int_both = 1;