Patch "docs: gdbmacros: print newest record" has been added to the 6.2-stable tree

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This is a note to let you know that I've just added the patch titled

    docs: gdbmacros: print newest record

to the 6.2-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     docs-gdbmacros-print-newest-record.patch
and it can be found in the queue-6.2 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From f2e4cca2f670c8e52fbb551a295f2afc9aa2bd72 Mon Sep 17 00:00:00 2001
From: John Ogness <john.ogness@xxxxxxxxxxxxx>
Date: Thu, 29 Dec 2022 14:49:39 +0106
Subject: docs: gdbmacros: print newest record

From: John Ogness <john.ogness@xxxxxxxxxxxxx>

commit f2e4cca2f670c8e52fbb551a295f2afc9aa2bd72 upstream.

@head_id points to the newest record, but the printing loop
exits when it increments to this value (before printing).

Exit the printing loop after the newest record has been printed.

The python-based function in scripts/gdb/linux/dmesg.py already
does this correctly.

Fixes: e60768311af8 ("scripts/gdb: update for lockless printk ringbuffer")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx>
Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>
Link: https://lore.kernel.org/r/20221229134339.197627-1-john.ogness@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 Documentation/admin-guide/kdump/gdbmacros.txt |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/Documentation/admin-guide/kdump/gdbmacros.txt
+++ b/Documentation/admin-guide/kdump/gdbmacros.txt
@@ -312,10 +312,10 @@ define dmesg
 			set var $prev_flags = $info->flags
 		end
 
-		set var $id = ($id + 1) & $id_mask
 		if ($id == $end_id)
 			loop_break
 		end
+		set var $id = ($id + 1) & $id_mask
 	end
 end
 document dmesg


Patches currently in stable-queue which might be from john.ogness@xxxxxxxxxxxxx are

queue-6.2/docs-gdbmacros-print-newest-record.patch



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