e2a465675d
It's possible that SBA IOMMU might fail to find I/O space under heavy I/Os. SBA IOMMU panics on allocation failure but it shouldn't; drivers can handle the failure. The majority of other IOMMU drivers don't panic on allocation failure. This patch fixes SBA IOMMU path to handle allocation failure properly. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Tony Luck <tony.luck@intel.com> |
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