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| author | Michael Brown | 2017-04-25 14:33:52 +0200 |
|---|---|---|
| committer | Michael Brown | 2017-04-26 21:15:39 +0200 |
| commit | a0f6e75532c68f49b3e1c73ca88151d9663f5269 (patch) | |
| tree | d076b97bb3950b5499ffdd9c0e3242e7409f4b4c /src/arch | |
| parent | [block] Provide abstraction to allow system to be quiesced (diff) | |
| download | ipxe-a0f6e75532c68f49b3e1c73ca88151d9663f5269.tar.gz ipxe-a0f6e75532c68f49b3e1c73ca88151d9663f5269.tar.xz ipxe-a0f6e75532c68f49b3e1c73ca88151d9663f5269.zip | |
[hyperv] Do not fail if guest OS ID MSR is already set
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/drivers/hyperv/hyperv.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/arch/x86/drivers/hyperv/hyperv.c b/src/arch/x86/drivers/hyperv/hyperv.c index cc6e3868..8298f209 100644 --- a/src/arch/x86/drivers/hyperv/hyperv.c +++ b/src/arch/x86/drivers/hyperv/hyperv.c @@ -245,9 +245,8 @@ static int hv_map_hypercall ( struct hv_hypervisor *hv ) { /* Report guest OS identity */ guest_os_id = rdmsr ( HV_X64_MSR_GUEST_OS_ID ); if ( guest_os_id != 0 ) { - DBGC ( hv, "HV %p guest OS ID MSR already set to %#08llx\n", + DBGC ( hv, "HV %p guest OS ID MSR was %#08llx\n", hv, guest_os_id ); - return -EBUSY; } guest_os_id = HV_GUEST_OS_ID_IPXE; DBGC2 ( hv, "HV %p guest OS ID MSR is %#08llx\n", hv, guest_os_id ); |