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

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* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (29 commits)
  xen: unitialised return value in xenbus_write_transaction
  x86: fix section mismatch warning
  x86: unmask CPUID levels on Intel CPUs, fix
  x86: work around PAGE_KERNEL_WC not getting WC in iomap_atomic_prot_pfn.
  x86: use standard PIT frequency
  xen: handle highmem pages correctly when shrinking a domain
  x86, mm: fix pte_free()
  xen: actually release memory when shrinking domain
  x86: unmask CPUID levels on Intel CPUs
  x86: add MSR_IA32_MISC_ENABLE bits to <asm/msr-index.h>
  x86: fix PTE corruption issue while mapping RAM using /dev/mem
  x86: mtrr fix debug boot parameter
  x86: fix page attribute corruption with cpa()
  Revert "x86: signal: change type of paramter for sys_rt_sigreturn()"
  x86: use early clobbers in usercopy*.c
  x86: remove kernel_physical_mapping_init() from init section
  fix: crash: IP: __bitmap_intersects+0x48/0x73
  cpufreq: use work_on_cpu in acpi-cpufreq.c for drv_read and drv_write
  work_on_cpu: Use our own workqueue.
  work_on_cpu: don't try to get_online_cpus() in work_on_cpu.
  ...
This commit is contained in:
Linus Torvalds 2009-01-26 09:47:28 -08:00
commit 810ee58de2
30 changed files with 260 additions and 128 deletions
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8
drivers/xen/balloon.c
View file

@ -298,6 +298,14 @@ static int decrease_reservation(unsigned long nr_pages)
frame_list[i] = pfn_to_mfn(pfn);
scrub_page(page);
if (!PageHighMem(page)) {
ret = HYPERVISOR_update_va_mapping(
(unsigned long)__va(pfn << PAGE_SHIFT),
__pte_ma(0), 0);
BUG_ON(ret);
}
}
/* Ensure that ballooned highmem pages don't have kmaps. */

11
drivers/xen/xenfs/xenbus.c
View file

@ -291,7 +291,7 @@ static void watch_fired(struct xenbus_watch *watch,
static int xenbus_write_transaction(unsigned msg_type,
struct xenbus_file_priv *u)
{
int rc, ret;
int rc;
void *reply;
struct xenbus_transaction_holder *trans = NULL;
LIST_HEAD(staging_q);
@ -326,15 +326,14 @@ static int xenbus_write_transaction(unsigned msg_type,
}
mutex_lock(&u->reply_mutex);
ret = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg));
if (!ret)
ret = queue_reply(&staging_q, reply, u->u.msg.len);
if (!ret) {
rc = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg));
if (!rc)
rc = queue_reply(&staging_q, reply, u->u.msg.len);
if (!rc) {
list_splice_tail(&staging_q, &u->read_buffers);
wake_up(&u->read_waitq);
} else {
queue_cleanup(&staging_q);
rc = ret;
}
mutex_unlock(&u->reply_mutex);