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* [merged mm-hotfixes-stable] scripts-gdb-de-reference-per-cpu-mce-interrupts.patch removed from -mm tree
@ 2025-07-10  4:09 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2025-07-10  4:09 UTC (permalink / raw)
  To: mm-commits, stable, kbingham, jan.kiszka, florian.fainelli, akpm


The quilt patch titled
     Subject: scripts/gdb: de-reference per-CPU MCE interrupts
has been removed from the -mm tree.  Its filename was
     scripts-gdb-de-reference-per-cpu-mce-interrupts.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Florian Fainelli <florian.fainelli@broadcom.com>
Subject: scripts/gdb: de-reference per-CPU MCE interrupts
Date: Mon, 23 Jun 2025 20:00:19 -0700

The per-CPU MCE interrupts are looked up by reference and need to be
de-referenced before printing, otherwise we print the addresses of the
variables instead of their contents:

MCE: 18379471554386948492   Machine check exceptions
MCP: 18379471554386948488   Machine check polls

The corrected output looks like this instead now:

MCE:          0   Machine check exceptions
MCP:          1   Machine check polls

Link: https://lkml.kernel.org/r/20250625021109.1057046-1-florian.fainelli@broadcom.com
Link: https://lkml.kernel.org/r/20250624030020.882472-1-florian.fainelli@broadcom.com
Fixes: b0969d7687a7 ("scripts/gdb: print interrupts")
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/gdb/linux/interrupts.py |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/gdb/linux/interrupts.py~scripts-gdb-de-reference-per-cpu-mce-interrupts
+++ a/scripts/gdb/linux/interrupts.py
@@ -110,7 +110,7 @@ def x86_show_mce(prec, var, pfx, desc):
     pvar = gdb.parse_and_eval(var)
     text = "%*s: " % (prec, pfx)
     for cpu in cpus.each_online_cpu():
-        text += "%10u " % (cpus.per_cpu(pvar, cpu))
+        text += "%10u " % (cpus.per_cpu(pvar, cpu).dereference())
     text += "  %s\n" % (desc)
     return text
 
_

Patches currently in -mm which might be from florian.fainelli@broadcom.com are



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