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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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6
arch/x86/mm/fault.c
View File

@ -201,12 +201,10 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
if (!pmd_present(*pmd_k))
return NULL;
if (!pmd_present(*pmd)) {
if (!pmd_present(*pmd))
set_pmd(pmd, *pmd_k);
arch_flush_lazy_mmu_mode();
} else {
else
BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
}
return pmd_k;
}

2
arch/x86/mm/highmem_32.c
View File

@ -44,7 +44,6 @@ void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
BUG_ON(!pte_none(*(kmap_pte-idx)));
set_pte(kmap_pte-idx, mk_pte(page, prot));
arch_flush_lazy_mmu_mode();
return (void *)vaddr;
}
@ -74,7 +73,6 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
#endif
}
arch_flush_lazy_mmu_mode();
pagefault_enable();
}

1
arch/x86/mm/iomap_32.c
View File

@ -82,7 +82,6 @@ iounmap_atomic(void *kvaddr, enum km_type type)
if (vaddr == __fix_to_virt(FIX_KMAP_BEGIN+idx))
kpte_clear_flush(kmap_pte-idx, vaddr);
arch_flush_lazy_mmu_mode();
pagefault_enable();
}
EXPORT_SYMBOL_GPL(iounmap_atomic);

14
arch/x86/mm/pageattr.c
View File

@ -839,13 +839,6 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages,
vm_unmap_aliases();
/*
* If we're called with lazy mmu updates enabled, the
* in-memory pte state may be stale. Flush pending updates to
* bring them up to date.
*/
arch_flush_lazy_mmu_mode();
cpa.vaddr = addr;
cpa.pages = pages;
cpa.numpages = numpages;
@ -890,13 +883,6 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages,
} else
cpa_flush_all(cache);
/*
* If we've been called with lazy mmu updates enabled, then
* make sure that everything gets flushed out before we
* return.
*/
arch_flush_lazy_mmu_mode();
out:
return ret;
}