Messages in this thread | | | Date | Mon, 26 Dec 2022 15:26:30 +0800 | Subject | Re: [RFC PATCH V2 10/18] drivers: hv: Decrypt percpu hvcall input arg page in sev-snp enlightened guest | From | Tianyu Lan <> |
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On 12/15/2022 2:16 AM, Michael Kelley (LINUX) wrote: >> @@ -134,6 +136,16 @@ int hv_common_cpu_init(unsigned int cpu) >> if (!(*inputarg)) >> return -ENOMEM; >> >> + if (hv_isolation_type_en_snp()) { >> + ret = set_memory_decrypted((unsigned long)*inputarg, 1); >> + if (ret) { >> + kfree(*inputarg); > After the kfree(), set *inputarg back to NULL. There's other code that > tests the value of *inputarg to know if the per-CPU hypercall page has > been successfully allocated. >
Good point! Will add in the next version.
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