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| author | David Vrabel <david.vrabel@citrix.com> | 2015-10-28 13:39:05 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-10-28 13:46:27 +0000 |
| commit | 914beb9fc26d6225295b8315ab54026f8f22755c (patch) | |
| tree | ff501a82a74d95167af9ab401d2b44d32eff352d /arch/x86/xen | |
| parent | cb9644bf3b549d20656cca02e8a6332c67cf37d6 (diff) | |
| download | linux-914beb9fc26d6225295b8315ab54026f8f22755c.tar.gz linux-914beb9fc26d6225295b8315ab54026f8f22755c.tar.bz2 linux-914beb9fc26d6225295b8315ab54026f8f22755c.zip | |
x86/xen: add reschedule point when mapping foreign GFNs
Mapping a large range of foreign GFNs can take a long time, add a
reschedule point after each batch of 16 GFNs.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/mmu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 9c479fe40459..ac161db63388 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -2888,6 +2888,7 @@ static int do_remap_gfn(struct vm_area_struct *vma, addr += range; if (err_ptr) err_ptr += batch; + cond_resched(); } out: |