diff options
| author | Peter Xu | 2020-04-01 21:08:22 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2020-04-02 09:35:29 -0700 |
| commit | c9a0dad162014182867f81b28bb7a4b691d65595 (patch) | |
| tree | addc31b38f8b0c2df319f4279e28de5afc98e541 /arch | |
| parent | b502f038f2ffc97a60fefcc120a868aa46009060 (diff) | |
powerpc/mm: use helper fault_signal_pending()
Let powerpc code to use the new helper, by moving the signal handling
earlier before the retry logic.
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Brian Geffon <bgeffon@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Bobby Powers <bobbypowers@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Denis Plotnikov <dplotnikov@virtuozzo.com>
Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: Martin Cracauer <cracauer@cons.org>
Cc: Marty McFadden <mcfadden8@llnl.gov>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Maya Gokhale <gokhale2@llnl.gov>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Link: http://lkml.kernel.org/r/20200220160222.9422-1-peterx@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/mm/fault.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 8db0507619e2..0868172ce4e3 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -582,6 +582,9 @@ good_area: major |= fault & VM_FAULT_MAJOR; + if (fault_signal_pending(fault, regs)) + return user_mode(regs) ? 0 : SIGBUS; + /* * Handle the retry right now, the mmap_sem has been released in that * case. @@ -595,15 +598,8 @@ good_area: */ flags &= ~FAULT_FLAG_ALLOW_RETRY; flags |= FAULT_FLAG_TRIED; - if (!fatal_signal_pending(current)) - goto retry; + goto retry; } - - /* - * User mode? Just return to handle the fatal exception otherwise - * return to bad_page_fault - */ - return is_user ? 0 : SIGBUS; } up_read(¤t->mm->mmap_sem); |