xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sparc64: Use CPU_POKE to resume idle cpu

Browse Source 
Use CPU_POKE hypervisor call to resume idle cpu if supported.

Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vijay Kumar
2017-07-21 10:23:57 -06:00
committed by David S. Miller
parent 28d43de741
commit 8536e02e91
5 changed files with 90 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/sparc/include/asm/smp_64.h
View File

@@ -33,6 +33,9 @@
DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
extern cpumask_t cpu_core_map[NR_CPUS];
void smp_init_cpu_poke(void);
void scheduler_poke(void);
void arch_send_call_function_single_ipi(int cpu);
void arch_send_call_function_ipi_mask(const struct cpumask *mask);
@@ -74,6 +77,8 @@ void __cpu_die(unsigned int cpu);
#define smp_fetch_global_regs() do { } while (0)
#define smp_fetch_global_pmu() do { } while (0)
#define smp_fill_in_cpu_possible_map() do { } while (0)
#define smp_init_cpu_poke() do { } while (0)
#define scheduler_poke() do { } while (0)
#endif /* !(CONFIG_SMP) */