The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 2d130eeeaff6c7129b443d12009f405cc98de86e
Gitweb: https://git.kernel.org/tip/2d130eeeaff6c7129b443d12009f405cc98de86e
Author: Tal Zussman <tz2294@columbia.edu>
AuthorDate: Fri, 12 Dec 2025 04:08:07 -05:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Fri, 12 Dec 2025 10:18:14 +01:00
x86/mm/tlb/trace: Export the TLB_REMOTE_WRONG_CPU enum in <trace/events/tlb.h>
When the TLB_REMOTE_WRONG_CPU enum was introduced for the tlb_flush
tracepoint, the enum was not exported to user-space. Add it to the
appropriate macro definition to enable parsing by userspace tools, as
per:
Link: https://lore.kernel.org/all/20150403013802.220157513@goodmis.org
[ mingo: Capitalize IPI, etc. ]
Fixes: 2815a56e4b72 ("x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU")
Signed-off-by: Tal Zussman <tz2294@columbia.edu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Rik van Riel <riel@surriel.com>
Link: https://patch.msgid.link/20251212-tlb-trace-fix-v2-1-d322e0ad9b69@columbia.edu
---
include/trace/events/tlb.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h
index b4d8e7d..fb83695 100644
--- a/include/trace/events/tlb.h
+++ b/include/trace/events/tlb.h
@@ -12,8 +12,9 @@
EM( TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" ) \
EM( TLB_REMOTE_SHOOTDOWN, "remote shootdown" ) \
EM( TLB_LOCAL_SHOOTDOWN, "local shootdown" ) \
- EM( TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" ) \
- EMe( TLB_REMOTE_SEND_IPI, "remote ipi send" )
+ EM( TLB_LOCAL_MM_SHOOTDOWN, "local MM shootdown" ) \
+ EM( TLB_REMOTE_SEND_IPI, "remote IPI send" ) \
+ EMe( TLB_REMOTE_WRONG_CPU, "remote wrong CPU" )
/*
* First define the enums in TLB_FLUSH_REASON to be exported to userspace