[Bug,201631] WARNING: CPU: 11 PID: 29593 at fs/ext4/inode.c:3927 .ext4_set_page_dirty+0x70/0xb0

Message ID bug-201631-13602-JqdcjQ4ZLd@https.bugzilla.kernel.org/
State New
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Series
  • [Bug,201631] WARNING: CPU: 11 PID: 29593 at fs/ext4/inode.c:3927 .ext4_set_page_dirty+0x70/0xb0
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bugzilla-daemon@bugzilla.kernel.org Jan. 24, 2019, 3:17 a.m.
https://bugzilla.kernel.org/show_bug.cgi?id=201631

--- Comment #49 from Aneesh Kumar KV (aneesh.kumar@linux.ibm.com) ---
Can you try this change?

 local:

Patch

diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index 6a23b9ebd2a1..c42f91ba7067 100644
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -644,10 +644,12 @@  void radix__flush_tlb_page_psize(struct mm_struct *mm,
unsigned long vmaddr,
        preempt_disable();
        smp_mb(); /* see radix__flush_tlb_mm */
        if (!mm_is_thread_local(mm)) {
+/*
                if (unlikely(mm_is_singlethreaded(mm))) {
                        exit_flush_lazy_tlbs(mm);
                        goto local;
                }
+*/
                _tlbie_va(vmaddr, pid, psize, RIC_FLUSH_TLB);
        } else {