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arm64: Handle TRAP_BRKPT for user mode as well 46/149946/1
authorPratyush Anand <panand@redhat.com>
Wed, 2 Nov 2016 09:10:44 +0000 (14:40 +0530)
committerKarol Lewandowski <k.lewandowsk@samsung.com>
Wed, 13 Sep 2017 16:00:59 +0000 (18:00 +0200)
commit7b5e9236c4e46ac278fba7193e806c6f9347b37d
tree1fa1ec198163919ef59b01885c097bb072e0abc0tree | snapshot
parent2478658bfc8e56efe2645f11e92f2fbc8df2fd0ecommit | diff
arm64: Handle TRAP_BRKPT for user mode as well

uprobe is registered at break_hook with a unique ESR code. So, when a
TRAP_BRKPT occurs, call_break_hook checks if it was for uprobe. If not,
then send a SIGTRAP to user.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
[ Mainline commit 53d07e218 ]
Signed-off-by: Karol Lewandowski <k.lewandowsk@samsung.com>
Change-Id: I1845756c5987f975f57c1d25bec7985cd6642d1d
arch/arm64/kernel/debug-monitors.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;