ARM: Fix kgdb breakpoint for Thumb2
commit d920eaa4c4559f59be7b4c2d26fa0a2e1aaa3da9 upstream. 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: 5cbad0eb ("kgdb: support for ARCH=arm") Signed-off-by:
Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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