Re: [PATCH] selftests/mm: va_high_addr_switch: Do not skip test and give warning message post FEAT_LPA2

[Dev Jain]

On 5/20/24 05:18, Andrew Morton wrote:
> On Thu, 16 May 2024 09:26:33 +0530 Dev Jain <dev.jain@xxxxxxx> wrote:
>
> > Post FEAT_LPA2, Aarch64 extends the 4KB and 16KB translation granule to
> > large virtual addresses. Currently, the test is being skipped for said
> > granule sizes, because the page sizes have been statically defined; to
> > work around that would mean breaking the nice array of structs used for
> > adding testcases.
> Which array is that?  testcases[]?  If so, we could keep if fairly nice
> by doing the array population at runtime.  Something like:
>
> static struct testcase *testcases;
>
> static void init_thing()
> {
> 	struct testcase t[] = {
> 		...
> 	};
>
> 	testcases = malloc(sizeof(t));
> 	memcpy(testcases, t, sizeof(t));
> }


Great idea! This should work. I shall implement it.