linux-kernel - [PATCH 06/10] RISC-V: Provide stub of setup_profiling

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Date:   Wed, 29 Nov 2017 17:55:17 -0800
From:   Olof Johansson <olof@...om.net>
To:     Palmer Dabbelt <palmer@...ive.com>
Cc:     Albert Ou <albert@...ive.com>, patches@...ups.riscv.org,
        linux-kernel@...r.kernel.org, Olof Johansson <olof@...om.net>
Subject: [PATCH 06/10] RISC-V: Provide stub of setup_profiling_timer()

Fixes the following on allmodconfig build:

profile.c:(.text+0x3e4): undefined reference to `setup_profiling_timer'

Signed-off-by: Olof Johansson <olof@...om.net>
---
 arch/riscv/kernel/smp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c
index b4a71ec..4498f0c 100644
--- a/arch/riscv/kernel/smp.c
+++ b/arch/riscv/kernel/smp.c
@@ -38,6 +38,13 @@ enum ipi_message_type {
 	IPI_MAX
 };
 
+
+/* Unsupported */
+int setup_profiling_timer(unsigned int multiplier)
+{
+	return -EINVAL;
+}
+
 irqreturn_t handle_ipi(void)
 {
 	unsigned long *pending_ipis = &ipi_data[smp_processor_id()].bits;
@@ -108,3 +115,4 @@ void smp_send_reschedule(int cpu)
 {
 	send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
 }
+
-- 
2.8.6