Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86-32, vdso: On system call restart after SYSENTER, use int $0x80
  x86, UV: Remove UV delay in starting slave cpus
  x86, olpc: Wait for last byte of EC command to be accepted

3 files changed, 3 insertions, 4 deletions

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index adc66c3a1fef..34b18594e724 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -207,7 +207,6 @@ static int __cpuinit uv_wakeup_secondary(int phys_apicid, unsigned long start_ri
             ((start_rip << UVH_IPI_INT_VECTOR_SHFT) >> 12) |
             APIC_DM_INIT;
         uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
-        mdelay(10);
 
         val = (1UL << UVH_IPI_INT_SEND_SHFT) |
             (phys_apicid << UVH_IPI_INT_APIC_ID_SHFT) |
diff --git a/arch/x86/platform/olpc/olpc.c b/arch/x86/platform/olpc/olpc.c
index 8b9940e78e2f..7cce722667b8 100644
--- a/arch/x86/platform/olpc/olpc.c
+++ b/arch/x86/platform/olpc/olpc.c
@@ -161,13 +161,13 @@ restart:
         if (inbuf && inlen) {
                 /* write data to EC */
                 for (i = 0; i < inlen; i++) {
+                        pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
+                        outb(inbuf[i], 0x68);
                         if (wait_on_ibf(0x6c, 0)) {
                                 printk(KERN_ERR "olpc-ec:  timeout waiting for"
                                                 " EC accept data!\n");
                                 goto err;
                         }
-                        pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
-                        outb(inbuf[i], 0x68);
                 }
         }
         if (outbuf && outlen) {
diff --git a/arch/x86/vdso/vdso32/sysenter.S b/arch/x86/vdso/vdso32/sysenter.S
index e2800affa754..e354bceee0e0 100644
--- a/arch/x86/vdso/vdso32/sysenter.S
+++ b/arch/x86/vdso/vdso32/sysenter.S
@@ -43,7 +43,7 @@ __kernel_vsyscall:
         .space 7,0x90
 
         /* 14: System call restart point is here! (SYSENTER_RETURN-2) */
-        jmp .Lenter_kernel
+        int $0x80
         /* 16: System call normal return point is here! */
 VDSO32_SYSENTER_RETURN: /* Symbol used by sysenter.c via vdso32-syms.h */
         pop %ebp