On 9/10/26 14:34, Yeoreum Yun wrote: > On Thu, Sep 10, 2026 at 02:25:40PM +0200, David Hildenbrand (Arm) wrote: >> On 9/10/26 14:16, Yeoreum Yun wrote: >>> >>> True. I overlooked guard bit is sticky. >>> >>> >>> It's enough but alloc_isolated_mem() could be modified to allocate with >>> PROT_NONE first and then change the prot. >>> >>> It seems whether make a helper or testcase should write the code >>> properly in case of unwanted VMA merge. >>> >>> IMHO, instead of testcase write them all >> >> So far I am aware of exactly one test case, which others do absolutely need >> this? > > True. I'll respin with your suggestion.
Don't get me wrong, if we'll need this for other tests we can add helpers. But for a single user adding a helper is not really worth it. -- Cheers, David
