On Thu, Sep 10, 2026 at 03:14:36PM +0200, David Hildenbrand (Arm) wrote: > 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.
No worries. Since I thought there is no use case right now except the test, I've agreed. Thanks! -- Sincerely, Yeoreum Yun
