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| author | Christoffer Dall <christoffer.dall@linaro.org> | 2016-08-17 10:46:10 +0200 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2016-08-17 11:38:03 +0200 |
| commit | 9ac715954682b23d293d910ad2697554171035e7 (patch) | |
| tree | d0d273f5f6a82458ac18addcf29cd57ea7ceef45 /Documentation/arm64 | |
| parent | KVM: arm64: ITS: avoid re-mapping LPIs (diff) | |
| download | linux-9ac715954682b23d293d910ad2697554171035e7.tar.xz linux-9ac715954682b23d293d910ad2697554171035e7.zip | |
KVM: arm/arm64: Change misleading use of is_error_pfn
When converting a gfn to a pfn, we call gfn_to_pfn_prot, which returns
various kinds of error values. It turns out that is_error_pfn() only
returns true when the gfn was found in a memory slot and could somehow
not be used, but it does not return true if the gfn does not belong to
any memory slot.
Change use to is_error_noslot_pfn() which covers both cases.
Note: Since we already check for kvm_is_error_hva(hva) explicitly in the
caller of this function while holding the kvm->srcu lock protecting the
memory slots, this should never be a problem, but nevertheless this
change is warranted as it shows the intention of the code.
Reported-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'Documentation/arm64')
0 files changed, 0 insertions, 0 deletions