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Merge tag 'stable/for-linus-3.17-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

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Pull Xen updates from David Vrabel:
 - remove unused V2 grant table support
 - note that Konrad is xen-blkkback/front maintainer
 - add 'xen_nopv' option to disable PV extentions for x86 HVM guests
 - misc minor cleanups

* tag 'stable/for-linus-3.17-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen-pciback: Document the 'quirks' sysfs file
  xen/pciback: Fix error return code in xen_pcibk_attach()
  xen/events: drop negativity check of unsigned parameter
  xen/setup: Remove Identity Map Debug Message
  xen/events/fifo: remove a unecessary use of BM()
  xen/events/fifo: ensure all bitops are properly aligned even on x86
  xen/events/fifo: reset control block and local HEADs on resume
  xen/arm: use BUG_ON
  xen/grant-table: remove support for V2 tables
  x86/xen: safely map and unmap grant frames when in atomic context
  MAINTAINERS: Make me the Xen block subsystem (front and back) maintainer
  xen: Introduce 'xen_nopv' to disable PV extensions for HVM guests.
This commit is contained in:
Linus Torvalds
2014-08-07 11:33:15 -07:00
parent 7f0d32e0c1 8b63c998b3
commit e306e3be1c
13 changed files with 88 additions and 423 deletions
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13
arch/x86/xen/enlighten.c
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@@ -1828,8 +1828,19 @@ static void __init xen_hvm_guest_init(void)
xen_hvm_init_mmu_ops();
}
static bool xen_nopv = false;
static __init int xen_parse_nopv(char *arg)
{
xen_nopv = true;
return 0;
}
early_param("xen_nopv", xen_parse_nopv);
static uint32_t __init xen_hvm_platform(void)
{
if (xen_nopv)
return 0;
if (xen_pv_domain())
return 0;
@@ -1838,6 +1849,8 @@ static uint32_t __init xen_hvm_platform(void)
bool xen_hvm_need_lapic(void)
{
if (xen_nopv)
return false;
if (xen_pv_domain())
return false;
if (!xen_hvm_domain())