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Re: [PATCH v4 2/4] xen/x86: introduce self modifying code test
- To: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 20 Dec 2023 10:12:15 +0100
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Wei Liu <wl@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Wed, 20 Dec 2023 09:12:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20.12.2023 10:08, Roger Pau Monné wrote:
> On Tue, Dec 19, 2023 at 08:31:29PM +0000, Andrew Cooper wrote:
>> On 15/12/2023 11:18 am, Roger Pau Monne wrote:
>>> --- /dev/null
>>> +++ b/xen/arch/x86/include/asm/test.h
>>> @@ -0,0 +1,30 @@
>>> +#ifndef _ASM_X86_TEST_H_
>>> +#define _ASM_X86_TEST_H_
>>> +
>>> +#include <xen/types.h>
>>> +
>>> +int test_smoc(uint32_t selection, uint32_t *results);
>>> +
>>> +static inline void execute_selftests(void)
>>
>> IMO run_selftests() would be better, but this is already not all of our
>> selftests, and this particular function really doesn't warrant being
>> static inline.
>>
>> But I'm also not sure what this is liable to contain other than
>> test_smoc() so I'm not sure why we want it.
>
> This was requested by Jan, he was concerned that more of such tests
> would appear. It's new in v4 IIRC.
If the two of you want it without such a wrapper, so be it. I will admit
I was a little puzzled to find it implemented as inline function, but I
didn't see a strong need to comment on that.
Jan
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