Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, UV: Initialize the broadcast assist unit base destination node id properly
  x86, numa: Fix numa_emulation code with memory-less node0
  x86, build: Make sure mkpiggy fails on read error

diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 646aa78ba5fdb2fe89e54d52b88a2ce5f7c6e20f..46a82388243785a4c98dbb4641765549dc47d12b 100644 (file)
--- 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 ce1d54c8a433a6b866977beeb9c6681e0db64746..3e094af443c396a6ccf9f08628ecafc2a5d974ab 100644 (file)
--- 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 95ea1551eebca344bee38ebc160ba8f3057c1734..1337c51b07d7732dbf2a50d568b38c87d0ce65e8 100644 (file)
--- 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 df58e9cad96ae9441a4f86f22900a6e0bf05aa64..a7b38d35c29a1ce7578d36e38cfe04616143b39f 100644 (file)
--- 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;