Re: [PATCH] selftests/mm: Don't needlessly use sudo to obtain root in run_vmtests.sh

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On 12/02/2024 19:13, Mark Brown wrote:
> On Mon, Feb 12, 2024 at 08:32:58AM +0000, Ryan Roberts wrote:
>> On 10/02/2024 12:35, Mark Brown wrote:
> 
>>> Ah, I was assuming that some of the suite ran usefully as non-root given
>>> that the only point of that sudo was to acquire root.  If the whole
>>> thing needs to be root then we should instead have a check for root at
>>> the top of run_vmtests.sh and just skip the whole thing if we aren't
>>> root, but then I'm unclear why it's invoking sudo in the first place.
> 
>> I can't speak for how others use the suite, but there are a bunch of setup
>> operations in the script itself that require root (e.g. reserving huge pages).
>> Some of the tests will work without root, I'm sure, but I'm not sure its hugely
>> valuable. Personally, I'd vote for just doing a test for root at the top, as you
>> suggest.
> 
> The hugetlb tests appear to be checking for root while running...  I'm
> not super fussed either way myself, I don't really use these tests
> myself except in a general "keeping an eye on CI" kind of way so I'd not
> object if people wanted to just go for just requiring root for the whole
> thing.

My vote is to keep it simple and require root for the whole thing.




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