The patch titled
Subject: mm-fix-kthread_use_mm-vs-tlb-invalidate-fix
has been added to the -mm tree. Its filename is
mm-fix-kthread_use_mm-vs-tlb-invalidate-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-fix-kthread_use_mm-vs-tlb-invalidate-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-fix-kthread_use_mm-vs-tlb-invalidate-fix.patch
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The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-fix-kthread_use_mm-vs-tlb-invalidate-fix
add comment
Cc: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/kthread.c | 1 +
1 file changed, 1 insertion(+)
--- a/kernel/kthread.c~mm-fix-kthread_use_mm-vs-tlb-invalidate-fix
+++ a/kernel/kthread.c
@@ -1239,6 +1239,7 @@ void kthread_use_mm(struct mm_struct *mm
WARN_ON_ONCE(tsk->mm);
task_lock(tsk);
+ /* Hold off tlb flush IPIs while switching mm's */
local_irq_disable();
active_mm = tsk->active_mm;
if (active_mm != mm) {
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-close-race-between-munmap-and-expand_upwards-downwards-fix.patch
mm-hugetlb-avoid-hardcoding-while-checking-if-cma-is-enabled-fix.patch
io-mapping-indicate-mapping-failure-fix.patch
mm-fix-kthread_use_mm-vs-tlb-invalidate-fix.patch
mm.patch
mm-handle-page-mapping-better-in-dump_page-fix.patch
mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix.patch
mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix-fix.patch
mm-thp-replace-http-links-with-https-ones-fix.patch
mm-vmstat-add-events-for-thp-migration-without-split-fix.patch
mmhwpoison-rework-soft-offline-for-in-use-pages-fix.patch
mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings-fix-2.patch
linux-next-rejects.patch
mm-migrate-clear-__gfp_reclaim-to-make-the-migration-callback-consistent-with-regular-thp-allocations-fix.patch
mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix.patch
mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix-2.patch
kernel-forkc-export-kernel_thread-to-modules.patch
