This patch set is to fix several issues of single-step debugging in kgdb/kdb on arm64.
It seems that these issues have been shelved a very long time, but i still hope to solve them, as the single-step debugging is an useful feature. Note: Based on patch "arm64: cacheflush: Fix KGDB trap detection", https://www.spinics.net/lists/arm-kernel/msg803741.html Wei Li (4): arm64: kgdb: Fix single-step exception handling oops arm64: Extract kprobes_save_local_irqflag() and kprobes_restore_local_irqflag() arm64: kgdb: Fix single-stepping into the irq handler wrongly arm64: kgdb: Set PSTATE.SS to 1 to reenable single-step arch/arm64/include/asm/debug-monitors.h | 6 ++++++ arch/arm64/kernel/debug-monitors.c | 28 ++++++++++++++++++++++++- arch/arm64/kernel/kgdb.c | 16 +++++++++++--- arch/arm64/kernel/probes/kprobes.c | 28 ++----------------------- 4 files changed, 48 insertions(+), 30 deletions(-) -- 2.17.1
