diff options
| author | David Stevens <stevensd@chromium.org> | 2024-10-10 11:23:18 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-10-25 12:57:58 -0400 |
| commit | 6769d1bcd3509ad2d2ee04da122c465a11a165b4 (patch) | |
| tree | 0d90bd49f57dadeeb8a197ba7c33256947c1b189 /include/linux | |
| parent | b176f4b41775f8b2a7c642f87ccd5e3f405e5191 (diff) | |
KVM: Replace "async" pointer in gfn=>pfn with "no_wait" and error code
Add a pfn error code to communicate that hva_to_pfn() failed because I/O
was needed and disallowed, and convert @async to a constant @no_wait
boolean. This will allow eliminating the @no_wait param by having callers
pass in FOLL_NOWAIT along with other FOLL_* flags.
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: David Stevens <stevensd@chromium.org>
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-17-seanjc@google.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/kvm_host.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 32e23e05a8c3..dc15a9a64408 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -97,6 +97,7 @@ #define KVM_PFN_ERR_HWPOISON (KVM_PFN_ERR_MASK + 1) #define KVM_PFN_ERR_RO_FAULT (KVM_PFN_ERR_MASK + 2) #define KVM_PFN_ERR_SIGPENDING (KVM_PFN_ERR_MASK + 3) +#define KVM_PFN_ERR_NEEDS_IO (KVM_PFN_ERR_MASK + 4) /* * error pfns indicate that the gfn is in slot but faild to @@ -1233,7 +1234,7 @@ kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault, bool *writable); kvm_pfn_t gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn); kvm_pfn_t __gfn_to_pfn_memslot(const struct kvm_memory_slot *slot, gfn_t gfn, - bool interruptible, bool *async, + bool interruptible, bool no_wait, bool write_fault, bool *writable, hva_t *hva); void kvm_release_pfn_clean(kvm_pfn_t pfn); |