Use actual CPU number , instead of maximum cpu configured, to allocate stack memory in 'load_sipi_vector'
Signed-off-by: Miao Yan yanmiaobest@gmail.com --- arch/x86/cpu/mp_init.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c index 2f34317..2a3ce48 100644 --- a/arch/x86/cpu/mp_init.c +++ b/arch/x86/cpu/mp_init.c @@ -210,7 +210,7 @@ static int save_bsp_msrs(char *start, int size) return msr_count; }
-static int load_sipi_vector(atomic_t **ap_countp) +static int load_sipi_vector(atomic_t **ap_countp, int num_cpus) { struct sipi_params_16bit *params16; struct sipi_params *params; @@ -239,7 +239,7 @@ static int load_sipi_vector(atomic_t **ap_countp) params->idt_ptr = (uint32_t)x86_get_idt();
params->stack_size = CONFIG_AP_STACK_SIZE; - size = params->stack_size * CONFIG_MAX_CPUS; + size = params->stack_size * num_cpus; stack = memalign(size, 4096); if (!stack) return -ENOMEM; @@ -483,7 +483,7 @@ int mp_init(struct mp_params *p) mp_info.records = p->flight_plan;
/* Load the SIPI vector */ - ret = load_sipi_vector(&ap_count); + ret = load_sipi_vector(&ap_count, num_cpus); if (ap_count == NULL) return -1;