Unverified Commit d3817d09 authored by Clément Léger's avatar Clément Léger Committed by Alexandre Ghiti
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riscv: remove useless pc check in stacktrace handling 



Checking for pc to be a kernel text address at this location is useless
since pc == handle_exception. Remove this check.

[ alex: Fix merge conflict ]

Signed-off-by: default avatarClément Léger <cleger@rivosinc.com>
Reviewed-by: default avatarAlexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240830084934.3690037-1-cleger@rivosinc.com


Signed-off-by: default avatarAlexandre Ghiti <alexghiti@rivosinc.com>
parent 03dc00a2

arch/riscv/kernel/stacktrace.c

+1 −1
Original line number Diff line number Diff line
@@ -74,7 +74,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, 
						   &frame->ra);

			if (pc >= (unsigned long)handle_exception &&

			    pc < (unsigned long)&ret_from_exception_end) {

				if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc)))

				if (unlikely(!fn(arg, pc)))

					break;



				pc = ((struct pt_regs *)sp)->epc;