Kristina Martsenko a11e7e3d2a arm64: probes: Disable kprobes/uprobes on MOPS instructions ...

[ Upstream commit c56c599d90 ]

FEAT_MOPS instructions require that all three instructions (prologue,
main and epilogue) appear consecutively in memory. Placing a
kprobe/uprobe on one of them doesn't work as only a single instruction
gets executed out-of-line or simulated. So don't allow placing a probe
on a MOPS instruction.

Fixes: b7564127ff ("arm64: mops: detect and enable FEAT_MOPS")
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Link: https://lore.kernel.org/r/20240930161051.3777828-2-kristina.martsenko@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-12-05 14:01:10 +01:00

..

decode-insn.c

arm64: probes: Disable kprobes/uprobes on MOPS instructions

2024-12-05 14:01:10 +01:00

decode-insn.h

…

kprobes_trampoline.S

…

kprobes.c

…

Makefile

…

simulate-insn.c

arm64: probes: Fix simulate_ldr*_literal()

2024-10-09 16:56:53 +01:00

simulate-insn.h

…

uprobes.c

arm64: probes: Fix uprobes for big-endian kernels

2024-10-09 16:56:53 +01:00