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[v3,06/12] MIPS: c-octeon: Provide alternative SMP cache flush function

Message ID 20230404093351.4233-7-jiaxun.yang@flygoat.com (mailing list archive)
State Accepted
Commit 6e90049162b92e683641966e4cdc67febe3c8fc5
Headers show
Series MIPS Virt board support | expand

Commit Message

Jiaxun Yang April 4, 2023, 9:33 a.m. UTC 
Currently c-octeon relies on octeon's own smp function to flush
I-Cache. However this function is not available on generic platform.

Just use smp_call_function_many on generic platform.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
v2: Style fix
v3: Fix typo in commit message
---
 arch/mips/mm/c-octeon.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
index c7ed589de882..b7393b61cfa7 100644
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -83,8 +83,13 @@  static void octeon_flush_icache_all_cores(struct vm_area_struct *vma)
 	else
 		mask = *cpu_online_mask;
 	cpumask_clear_cpu(cpu, &mask);
+#ifdef CONFIG_CAVIUM_OCTEON_SOC
 	for_each_cpu(cpu, &mask)
 		octeon_send_ipi_single(cpu, SMP_ICACHE_FLUSH);
+#else
+	smp_call_function_many(&mask, (smp_call_func_t)octeon_local_flush_icache,
+			       NULL, 1);
+#endif
 
 	preempt_enable();
 #endif