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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 17:34:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 17:34:40 +0300 |
| commit | ae9a6149884e04b3460bd9d7ffe29c5ec8d223d8 (patch) | |
| tree | 373e19c07802ce43862f4a37a141f628bca0a401 /arch/x86/xen/mmu_pv.c | |
| parent | 8217f07a50236779880f13e87f99224cd9117f83 (diff) | |
| parent | 5816b3e6577eaa676ceb00a848f0fd65fe2adc29 (diff) | |
| download | linux-ae9a6149884e04b3460bd9d7ffe29c5ec8d223d8.tar.xz | |
Merge 5.15-rc3 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/xen/mmu_pv.c')
| -rw-r--r-- | arch/x86/xen/mmu_pv.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 1df5f01529e5..8d751939c6f3 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -1518,14 +1518,17 @@ static inline void xen_alloc_ptpage(struct mm_struct *mm, unsigned long pfn, if (pinned) { struct page *page = pfn_to_page(pfn); - if (static_branch_likely(&xen_struct_pages_ready)) + pinned = false; + if (static_branch_likely(&xen_struct_pages_ready)) { + pinned = PagePinned(page); SetPagePinned(page); + } xen_mc_batch(); __set_pfn_prot(pfn, PAGE_KERNEL_RO); - if (level == PT_PTE && USE_SPLIT_PTE_PTLOCKS) + if (level == PT_PTE && USE_SPLIT_PTE_PTLOCKS && !pinned) __pin_pagetable_pfn(MMUEXT_PIN_L1_TABLE, pfn); xen_mc_issue(PARAVIRT_LAZY_MMU); |