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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-12-18 00:31:23 +0100 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2011-07-19 00:43:27 +0200 |
| commit | 5f94fb5b8edf29bba06e2cd05f9d3a80a5dfb9bc (patch) | |
| tree | 180fb7320f840a51ec64d349bbeeaaba0cae8a7c /arch/x86/xen/mmu.c | |
| parent | xen/trace: add ptpage alloc/release tracepoints (diff) | |
| download | linux-5f94fb5b8edf29bba06e2cd05f9d3a80a5dfb9bc.tar.xz linux-5f94fb5b8edf29bba06e2cd05f9d3a80a5dfb9bc.zip | |
xen/trace: add xen_pgd_(un)pin tracepoints
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/xen/mmu.c')
| -rw-r--r-- | arch/x86/xen/mmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index f2160997287e..5dfa90a7ad18 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -885,6 +885,8 @@ static int xen_pin_page(struct mm_struct *mm, struct page *page, read-only, and can be pinned. */ static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd) { + trace_xen_mmu_pgd_pin(mm, pgd); + xen_mc_batch(); if (__xen_pgd_walk(mm, pgd, xen_pin_page, USER_LIMIT)) { @@ -1010,6 +1012,8 @@ static int xen_unpin_page(struct mm_struct *mm, struct page *page, /* Release a pagetables pages back as normal RW */ static void __xen_pgd_unpin(struct mm_struct *mm, pgd_t *pgd) { + trace_xen_mmu_pgd_unpin(mm, pgd); + xen_mc_batch(); xen_do_pin(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(pgd))); |