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

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* 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (42 commits)
  xen: cache cr0 value to avoid trap'n'emulate for read_cr0
  xen/x86-64: clean up warnings about IST-using traps
  xen/x86-64: fix breakpoints and hardware watchpoints
  xen: reserve Xen start_info rather than e820 reserving
  xen: add FIX_TEXT_POKE to fixmap
  lguest: update lazy mmu changes to match lguest's use of kvm hypercalls
  xen: honour VCPU availability on boot
  xen: add "capabilities" file
  xen: drop kexec bits from /sys/hypervisor since kexec isn't implemented yet
  xen/sys/hypervisor: change writable_pt to features
  xen: add /sys/hypervisor support
  xen/xenbus: export xenbus_dev_changed
  xen: use device model for suspending xenbus devices
  xen: remove suspend_cancel hook
  xen/dev-evtchn: clean up locking in evtchn
  xen: export ioctl headers to userspace
  xen: add /dev/xen/evtchn driver
  xen: add irq_from_evtchn
  xen: clean up gate trap/interrupt constants
  xen: set _PAGE_NX in __supported_pte_mask before pagetable construction
  ...
This commit is contained in:
Linus Torvalds
2009-06-10 16:16:27 -07:00
parent 595dc54a1d a789ed5fb6
commit be15f9d63b
37 changed files with 1281 additions and 174 deletions
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22
arch/x86/include/asm/paravirt.h
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@@ -56,6 +56,7 @@ struct desc_ptr;
struct tss_struct;
struct mm_struct;
struct desc_struct;
struct task_struct;
/*
* Wrapper type for pointers to code which uses the non-standard
@@ -203,7 +204,8 @@ struct pv_cpu_ops {
void (*swapgs)(void);
struct pv_lazy_ops lazy_mode;
void (*start_context_switch)(struct task_struct *prev);
void (*end_context_switch)(struct task_struct *next);
};
struct pv_irq_ops {
@@ -1399,25 +1401,23 @@ enum paravirt_lazy_mode {
};
enum paravirt_lazy_mode paravirt_get_lazy_mode(void);
void paravirt_enter_lazy_cpu(void);
void paravirt_leave_lazy_cpu(void);
void paravirt_start_context_switch(struct task_struct *prev);
void paravirt_end_context_switch(struct task_struct *next);
void paravirt_enter_lazy_mmu(void);
void paravirt_leave_lazy_mmu(void);
void paravirt_leave_lazy(enum paravirt_lazy_mode mode);
#define __HAVE_ARCH_ENTER_LAZY_CPU_MODE
static inline void arch_enter_lazy_cpu_mode(void)
#define __HAVE_ARCH_START_CONTEXT_SWITCH
static inline void arch_start_context_switch(struct task_struct *prev)
{
PVOP_VCALL0(pv_cpu_ops.lazy_mode.enter);
PVOP_VCALL1(pv_cpu_ops.start_context_switch, prev);
}
static inline void arch_leave_lazy_cpu_mode(void)
static inline void arch_end_context_switch(struct task_struct *next)
{
PVOP_VCALL0(pv_cpu_ops.lazy_mode.leave);
PVOP_VCALL1(pv_cpu_ops.end_context_switch, next);
}
void arch_flush_lazy_cpu_mode(void);
#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
static inline void arch_enter_lazy_mmu_mode(void)
{