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Three bug-fixes:

Browse source 
- Revert the kexec fix which caused on non-kexec shutdowns a race.
  - Reuse existing P2M leafs - instead of requiring to allocate a large
    area of bootup virtual address estate.
  - Fix a one-off error when adding PFNs for balloon pages.
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Merge tag 'stable/for-linus-3.6-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull three xen bug-fixes from Konrad Rzeszutek Wilk:
 - Revert the kexec fix which caused on non-kexec shutdowns a race.
 - Reuse existing P2M leafs - instead of requiring to allocate a large
   area of bootup virtual address estate.
 - Fix a one-off error when adding PFNs for balloon pages.

* tag 'stable/for-linus-3.6-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/setup: Fix one-off error when adding for-balloon PFNs to the P2M.
  xen/p2m: Reuse existing P2M leafs if they are filled with 1:1 PFNs or INVALID.
  Revert "xen PVonHVM: move shared_info to MMIO before kexec"
This commit is contained in:
Linus Torvalds 2012-08-25 17:31:59 -07:00
commit 267560874c
7 changed files with 113 additions and 130 deletions
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15
drivers/xen/platform-pci.c
View file

@ -101,19 +101,6 @@ static int platform_pci_resume(struct pci_dev *pdev)
return 0;
}
static void __devinit prepare_shared_info(void)
{
#ifdef CONFIG_KEXEC
unsigned long addr;
struct shared_info *hvm_shared_info;
addr = alloc_xen_mmio(PAGE_SIZE);
hvm_shared_info = ioremap(addr, PAGE_SIZE);
memset(hvm_shared_info, 0, PAGE_SIZE);
xen_hvm_prepare_kexec(hvm_shared_info, addr >> PAGE_SHIFT);
#endif
}
static int __devinit platform_pci_init(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@ -151,8 +138,6 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
platform_mmio = mmio_addr;
platform_mmiolen = mmio_len;
prepare_shared_info();
if (!xen_have_vector_callback) {
ret = xen_allocate_irq(pdev);
if (ret) {