Messages in this thread | | | Date | Mon, 18 Oct 2021 19:45:36 +0200 | Subject | Re: [PATCH v3 2/2] x86: sgx_vepc: implement SGX_IOC_VEPC_REMOVE ioctl | From | Paolo Bonzini <> |
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On 18/10/21 19:17, Sean Christopherson wrote: > /* > * Report errors due to #GP or SGX_ENCLAVE_ACT, but do > * not WARN as userspace can induce said failures by > * calling the ioctl concurrently on multiple vEPCs or > * while one or more CPUs is running the enclave. Only > * a #PF on EREMOVE indicates a kernel/hardware issue. > */ > WARN_ON_ONCE(encls_faulted(ret) && > ENCLS_TRAPNR(ret) == X86_TRAP_PF);
or != X86_TRAP_GP, just to avoid having a v5? :)
Paolo
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