From: Christoph Hellwig <hch@lst.de>
To: Palmer Dabbelt <palmer@sifive.com>
Cc: Nick Kossifidis <mick@ics.forth.gr>,
Atish Patra <atish.patra@wdc.com>,
linux-riscv@lists.infradead.org
Subject: [PATCH 08/11] riscv: remove unreachable !HAVE_FUNCTION_GRAPH_RET_ADDR_PTR code
Date: Mon, 15 Apr 2019 11:14:39 +0200 [thread overview]
Message-ID: <20190415091442.19945-9-hch@lst.de> (raw)
In-Reply-To: <20190415091442.19945-1-hch@lst.de>
HAVE_FUNCTION_GRAPH_RET_ADDR_PTR is always defined for RISC-V.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/riscv/kernel/stacktrace.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index a4b1d94371a0..855036c440c1 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -64,12 +64,8 @@ static void notrace walk_stackframe(struct task_struct *task,
frame = (struct stackframe *)fp - 1;
sp = fp;
fp = frame->fp;
-#ifdef HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
(unsigned long *)(fp - 8));
-#else
- pc = frame->ra - 0x4;
-#endif
}
}
--
2.20.1
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next prev parent reply other threads:[~2019-04-15 9:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-15 9:14 misc cleanups v3 Christoph Hellwig
2019-04-15 9:14 ` [PATCH 01/11] riscv: use asm-generic/extable.h Christoph Hellwig
2019-04-15 9:14 ` [PATCH 02/11] riscv: turn mm_segment_t into a struct Christoph Hellwig
2019-04-15 9:14 ` [PATCH 03/11] riscv: remove unreachable big endian code Christoph Hellwig
2019-04-15 9:14 ` [PATCH 04/11] riscv: remove CONFIG_RISCV_ISA_A Christoph Hellwig
2019-04-15 9:14 ` [PATCH 05/11] riscv: clear all pending interrupts when booting Christoph Hellwig
2019-04-15 9:14 ` [PATCH 06/11] riscv: simplify the stack pointer setup in head.S Christoph Hellwig
2019-04-15 9:14 ` [PATCH 07/11] riscv: cleanup the parse_dtb calling conventions Christoph Hellwig
2019-04-15 9:14 ` Christoph Hellwig [this message]
2019-04-15 9:14 ` [PATCH 09/11] riscv: remove duplicate macros from ptrace.h Christoph Hellwig
2019-04-15 9:14 ` [PATCH 10/11] riscv: print the unexpected interrupt cause Christoph Hellwig
2019-04-15 9:14 ` [PATCH 11/11] riscv: call pm_power_off from machine_halt / machine_power_off Christoph Hellwig
2019-04-23 8:23 ` misc cleanups v3 Christoph Hellwig
2019-04-25 21:58 ` Palmer Dabbelt
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