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ARM: Fix kgdb breakpoint for Thumb2
authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Wed, 16 Feb 2022 15:37:38 +0000 (15:37 +0000)
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Mon, 21 Feb 2022 14:56:53 +0000 (14:56 +0000)
commit5bc98f3a29f134f7fb22c5b16cca8b227b41b9fd
treee44e05f64a7b9701dda5a25d45c4a40d46af4ed6tree | snapshot
parent0dc7b54d5d69d64822db61348a4d31a40174749ecommit | diff
ARM: Fix kgdb breakpoint for Thumb2

The kgdb code needs to register an undef hook for the Thumb UDF
instruction that will fault in order to be functional on Thumb2
platforms.

Reported-by: Johannes Stezenbach <js@sig21.net>
Tested-by: Johannes Stezenbach <js@sig21.net>
Fixes: 1f8c3295963e ("kgdb: support for ARCH=arm")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
arch/arm/kernel/kgdb.c diff | blob | history
Linux Kernel Source Tree.