[PATCH] arm64: traps: attempt to dump all instructions
Catalin Marinas
catalin.marinas at arm.com
Fri Jan 27 09:51:58 PST 2023
On Fri, 27 Jan 2023 12:12:56 +0000, Mark Rutland wrote:
> Currently dump_kernel_instr() dumps a few instructions around the
> pt_regs::pc value, dumping 4 instructions before the PC before dumping
> the instruction at the PC. If an attempt to read an instruction fails,
> it gives up and does not attempt to dump any subsequent instructions.
>
> This is unfortunate when the pt_regs::pc value points to the start of a
> page with a leading guard page, where the instruction at the PC can be
> read, but prior instructions cannot.
>
> [...]
Applied to arm64 (for-next/misc), thanks!
[1/1] arm64: traps: attempt to dump all instructions
https://git.kernel.org/arm64/c/a873bb493fb1
--
Catalin
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