From b87ac0218355a83abb899a0022bb2e5252879fc0 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Thu, 13 Apr 2017 20:16:22 +1000 Subject: powerpc: Introduce msgsnd/doorbell barrier primitives POWER9 changes requirements and adds new instructions for synchronization. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/smp.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/include/asm/smp.h') diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index d9ed3b02615e..751b2bd944fc 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -128,6 +128,7 @@ extern const char *smp_ipi_name[]; extern void smp_muxed_ipi_message_pass(int cpu, int msg); extern void smp_muxed_ipi_set_message(int cpu, int msg); extern irqreturn_t smp_ipi_demux(void); +extern irqreturn_t smp_ipi_demux_relaxed(void); void smp_init_pSeries(void); void smp_init_cell(void); -- cgit v1.2.1