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 setup: fix asm constraints in vesa_store_edid
  xen: make sysfs files behave as their names suggest
  x86: tone down mtrr_trim_uncached_memory() warning
  x86: correct the CPUID pattern for MSR_IA32_MISC_ENABLE availability

diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 75115849af330e057c71eecd845e4b799107a077..4a58c8ce3f6960534931409905103aa7465aa9d6 100644 (file)
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -269,9 +269,8 @@ void vesa_store_edid(void)
           we genuinely have to assume all registers are destroyed here. */
 
        asm("pushw %%es; movw %2,%%es; "INT10"; popw %%es"
-           : "+a" (ax), "+b" (bx)
-           :  "c" (cx), "D" (di)
-           : "esi");
+           : "+a" (ax), "+b" (bx), "+c" (cx), "+D" (di)
+           : : "esi", "edx");
 
        if (ax != 0x004f)
                return;         /* No EDID */
@@ -285,9 +284,9 @@ void vesa_store_edid(void)
        dx = 0;                 /* EDID block number */
        di =(size_t) &boot_params.edid_info; /* (ES:)Pointer to block */
        asm(INT10
-           : "+a" (ax), "+b" (bx), "+d" (dx), "=m" (boot_params.edid_info)
-           : "c" (cx), "D" (di)
-           : "esi");
+           : "+a" (ax), "+b" (bx), "+d" (dx), "=m" (boot_params.edid_info),
+             "+c" (cx), "+D" (di)
+           : : "esi");
 #endif /* CONFIG_FIRMWARE_EDID */
 }
 

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 549f2ada55f584bd045e13fb1e0c65a029f317e1..430e5c38a5449a93c65e0877d780bbf2cac97884 100644 (file)
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -30,7 +30,7 @@
 static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
 {
        /* Unmask CPUID levels if masked: */
-       if (c->x86 == 6 && c->x86_model >= 15) {
+       if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) {
                u64 misc_enable;
 
                rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);

diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index d259e5d2e0546adbec36d55f63b7f2a81f88e002..236a401b82597b0d48217db77ea5c10e692e9b2e 100644 (file)
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -1594,8 +1594,7 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
 
        /* kvm/qemu doesn't have mtrr set right, don't trim them all */
        if (!highest_pfn) {
-               WARN(!kvm_para_available(), KERN_WARNING
-                               "WARNING: strange, CPU MTRRs all blank?\n");
+               printk(KERN_INFO "CPU MTRRs all blank - virtualized system.\n");
                return 0;
        }
 

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 2ba8f95516a0b023c8afce948b757e2884b3cb21..efa4b363ce72ae9527ece6351bb172b568f98880 100644 (file)
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -498,7 +498,7 @@ static ssize_t store_target_kb(struct sys_device *dev,
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
 
-       target_bytes = memparse(buf, &endchar);
+       target_bytes = simple_strtoull(buf, &endchar, 0) * 1024;
 
        balloon_set_new_target(target_bytes >> PAGE_SHIFT);
 
@@ -508,8 +508,39 @@ static ssize_t store_target_kb(struct sys_device *dev,
 static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR,
                   show_target_kb, store_target_kb);
 
+
+static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr,
+                             char *buf)
+{
+       return sprintf(buf, "%llu\n",
+                      (u64)balloon_stats.target_pages << PAGE_SHIFT);
+}
+
+static ssize_t store_target(struct sys_device *dev,
+                           struct sysdev_attribute *attr,
+                           const char *buf,
+                           size_t count)
+{
+       char *endchar;
+       unsigned long long target_bytes;
+
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
+       target_bytes = memparse(buf, &endchar);
+
+       balloon_set_new_target(target_bytes >> PAGE_SHIFT);
+
+       return count;
+}
+
+static SYSDEV_ATTR(target, S_IRUGO | S_IWUSR,
+                  show_target, store_target);
+
+
 static struct sysdev_attribute *balloon_attrs[] = {
        &attr_target_kb,
+       &attr_target,
 };
 
 static struct attribute *balloon_info_attrs[] = {