Commit 56e2ec94 authored by Alex Williamson's avatar Alex Williamson Committed by Paolo Bonzini
Browse files

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: cedc0ad5 ("target/i386: sev: Do not pin the ram device memory region")
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
Message-Id: <156320087103.2556.10983987500488190423.stgit@gimli.home>
Reviewed-by: default avatarSingh, Brijesh <brijesh.singh@amd.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 874acb6f

target/i386/sev.c

+11 −0
Original line number Diff line number Diff line
@@ -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;