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authorAlex Williamson <alex.williamson@redhat.com>2019-07-15 08:28:39 -0600
committerPaolo Bonzini <pbonzini@redhat.com>2019-07-15 20:58:37 +0200
commit56e2ec9488b3b281130e064929f8ae5595d6ac39 (patch)
tree2abe53f05963f8e3eed2b91e68deb185026e39c8 /target
parent874acb6f838a659cd010d0db4176e3f52d8f7a57 (diff)
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target/i386: sev: Do not unpin ram device memory region
The commit referenced below skipped pinning ram device memory when ram blocks are added, we need to do the same when they're removed. Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Fixes: cedc0ad539af ("target/i386: sev: Do not pin the ram device memory region") Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Message-Id: <156320087103.2556.10983987500488190423.stgit@gimli.home> Reviewed-by: Singh, Brijesh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target')
-rw-r--r--target/i386/sev.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c
index 6dbdc3c..5ba1384 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -161,6 +161,17 @@ sev_ram_block_removed(RAMBlockNotifier *n, void *host, size_t size)
{
int r;
struct kvm_enc_region range;
+ ram_addr_t offset;
+ MemoryRegion *mr;
+
+ /*
+ * The RAM device presents a memory region that should be treated
+ * as IO region and should not have been pinned.
+ */
+ mr = memory_region_from_host(host, &offset);
+ if (mr && memory_region_is_ram_device(mr)) {
+ return;
+ }
range.addr = (__u64)(unsigned long)host;
range.size = size;