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SubjectRe: [PATCH v6 2/4] x86/tests: Add tests for AMD SEV-ES #VC handling Add KUnit based tests to validate Linux's VC handling for instructions cpuid and wbinvd. These tests: 1. install a kretprobe on the #VC handler (sev_es_ghcb_hv_call, to access GHCB befor
On Wed, Jun 08, 2022, Vasant Karasulli wrote:
> On Mi 06-04-22 01:22:55, Sean Christopherson wrote:
> > > + if (ret) {
> > > + kunit_info(test, "Could not register kretprobe. Skipping.");
> > > + goto out;
> > > + }
> > > +
> > > + test->priv = kunit_kzalloc(test, sizeof(u64), GFP_KERNEL);
> >
> > Allocating 8 bytes and storing the pointer an 8-byte field is rather pointless :-)
> >
>
> Actually it's necessary to allocate memory to test->priv before using according to
> https://www.kernel.org/doc/html/latest/dev-tools/kunit/tips.html

If priv points at structure of some form, sure, but you're storing a simple value.

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