[U-Boot] [PATCH v6 5/8] x86: use actual CPU number for allocating memory
Miao Yan
yanmiaobest at gmail.com
Thu Jan 7 10:32:03 CET 2016
Use actual CPU number, instead of maximum cpu configured, to allocate
stack memory in 'load_sipi_vector'
Signed-off-by: Miao Yan <yanmiaobest at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at 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;
--
1.9.1
More information about the U-Boot
mailing list