Messages in this thread Patch in this message | | | From | Jack Wang <> | Subject | [PATCH] EDAC/amd64: Do not load EDAC driver when running as a guest | Date | Tue, 6 Jul 2021 07:08:33 +0200 |
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Similar to commit f0a029fff4a5 ("EDAC/Intel: Do not load EDAC driver when running as a guest")
There's little to no point in loading an EDAC driver running in a guest.
Add a check in each of the Intel EDAC drivers for X86_FEATURE_HYPERVISOR and simply return -ENODEV in the init routine.
Signed-off-by: Jack Wang <jinpu.wang@ionos.com> --- drivers/edac/amd64_edac.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index f0d8f60acee1..cdb14575ef31 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3942,6 +3942,9 @@ static int __init amd64_edac_init(void) if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR))) return -EBUSY; + if (cpu_feature_enabled(X86_FEATURE_HYPERVISOR)) + return -ENODEV; + if (!x86_match_cpu(amd64_cpuids)) return -ENODEV; -- 2.25.1
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