Messages in this thread Patch in this message | | | From | David Hildenbrand <> | Subject | [PATCH v1 1/3] perf: MAP_EXECUTABLE does not indicate VM_MAYEXEC | Date | Wed, 21 Apr 2021 11:34:51 +0200 |
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Before commit e9714acf8c43 ("mm: kill vma flag VM_EXECUTABLE and mm->num_exe_file_vmas"), VM_EXECUTABLE indicated MAP_EXECUTABLE. MAP_EXECUTABLE is nowadays essentially ignored by the kernel and does not relate to VM_MAYEXEC.
Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: David Hildenbrand <david@redhat.com> --- kernel/events/core.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c index 03db40f6cba9..3dfd463f1831 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -8186,8 +8186,6 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event) if (vma->vm_flags & VM_DENYWRITE) flags |= MAP_DENYWRITE; - if (vma->vm_flags & VM_MAYEXEC) - flags |= MAP_EXECUTABLE; if (vma->vm_flags & VM_LOCKED) flags |= MAP_LOCKED; if (is_vm_hugetlb_page(vma)) -- 2.30.2
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