diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2017-04-13 13:16:22 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-04-13 16:34:33 +0300 |
| commit | b87ac0218355a83abb899a0022bb2e5252879fc0 (patch) | |
| tree | 2163874a33e22901d42faeceba3b99e1d25eab05 /arch/powerpc/include/asm/smp.h | |
| parent | b866cc2199d6a6cdcefe4acfe4cfca3ac3c6d38e (diff) | |
| download | linux-b87ac0218355a83abb899a0022bb2e5252879fc0.tar.xz | |
powerpc: Introduce msgsnd/doorbell barrier primitives
POWER9 changes requirements and adds new instructions for
synchronization.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/smp.h')
| -rw-r--r-- | arch/powerpc/include/asm/smp.h | 1 |
1 files changed, 1 insertions, 0 deletions
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); |