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-rw-r--r--arch/s390/kernel/entry.S4
-rw-r--r--arch/s390/kernel/ftrace.c4
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c8
-rw-r--r--arch/s390/kernel/setup.c10
-rw-r--r--arch/s390/kernel/smp.c9
-rw-r--r--arch/s390/kernel/topology.c13
6 files changed, 33 insertions, 15 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index b9716a7e326d..4c9b967290ae 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -140,10 +140,10 @@ _LPP_OFFSET = __LC_LPP
TSTMSK __LC_MCCK_CODE,(MCCK_CODE_STG_ERROR|MCCK_CODE_STG_KEY_ERROR)
jnz \errlabel
TSTMSK __LC_MCCK_CODE,MCCK_CODE_STG_DEGRAD
- jz oklabel\@
+ jz .Loklabel\@
TSTMSK __LC_MCCK_CODE,MCCK_CODE_STG_FAIL_ADDR
jnz \errlabel
-oklabel\@:
+.Loklabel\@:
.endm
#if IS_ENABLED(CONFIG_KVM)
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 0a464d328467..1d94ffdf347b 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -341,13 +341,13 @@ NOKPROBE_SYMBOL(prepare_ftrace_return);
*/
int ftrace_enable_ftrace_graph_caller(void)
{
- brcl_disable(__va(ftrace_graph_caller));
+ brcl_disable(ftrace_graph_caller);
return 0;
}
int ftrace_disable_ftrace_graph_caller(void)
{
- brcl_enable(__va(ftrace_graph_caller));
+ brcl_enable(ftrace_graph_caller);
return 0;
}
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 2e3bb633acf6..4a99154fe651 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -158,6 +158,14 @@ static size_t cfdiag_getctrset(struct cf_ctrset_entry *ctrdata, int ctrset,
return need;
}
+static const u64 cpumf_ctr_ctl[CPUMF_CTR_SET_MAX] = {
+ [CPUMF_CTR_SET_BASIC] = 0x02,
+ [CPUMF_CTR_SET_USER] = 0x04,
+ [CPUMF_CTR_SET_CRYPTO] = 0x08,
+ [CPUMF_CTR_SET_EXT] = 0x01,
+ [CPUMF_CTR_SET_MT_DIAG] = 0x20,
+};
+
/* Read out all counter sets and save them in the provided data buffer.
* The last 64 byte host an artificial trailer entry.
*/
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5a01872f5984..67e5fff96ee0 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -50,6 +50,7 @@
#include <linux/compat.h>
#include <linux/start_kernel.h>
#include <linux/hugetlb.h>
+#include <linux/kmemleak.h>
#include <asm/boot_data.h>
#include <asm/ipl.h>
@@ -356,9 +357,12 @@ void *restart_stack;
unsigned long stack_alloc(void)
{
#ifdef CONFIG_VMAP_STACK
- return (unsigned long)__vmalloc_node(THREAD_SIZE, THREAD_SIZE,
- THREADINFO_GFP, NUMA_NO_NODE,
- __builtin_return_address(0));
+ void *ret;
+
+ ret = __vmalloc_node(THREAD_SIZE, THREAD_SIZE, THREADINFO_GFP,
+ NUMA_NO_NODE, __builtin_return_address(0));
+ kmemleak_not_leak(ret);
+ return (unsigned long)ret;
#else
return __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
#endif
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 2a991e43ead3..1a04e5bdf655 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -95,6 +95,7 @@ __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS];
#endif
static unsigned int smp_max_threads __initdata = -1U;
+cpumask_t cpu_setup_mask;
static int __init early_nosmt(char *s)
{
@@ -902,13 +903,14 @@ static void smp_start_secondary(void *cpuvoid)
vtime_init();
vdso_getcpu_init();
pfault_init();
+ cpumask_set_cpu(cpu, &cpu_setup_mask);
+ update_cpu_masks();
notify_cpu_starting(cpu);
if (topology_cpu_dedicated(cpu))
set_cpu_flag(CIF_DEDICATED_CPU);
else
clear_cpu_flag(CIF_DEDICATED_CPU);
set_cpu_online(cpu, true);
- update_cpu_masks();
inc_irq_stat(CPU_RST);
local_irq_enable();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
@@ -950,10 +952,13 @@ early_param("possible_cpus", _setup_possible_cpus);
int __cpu_disable(void)
{
unsigned long cregs[16];
+ int cpu;
/* Handle possible pending IPIs */
smp_handle_ext_call();
- set_cpu_online(smp_processor_id(), false);
+ cpu = smp_processor_id();
+ set_cpu_online(cpu, false);
+ cpumask_clear_cpu(cpu, &cpu_setup_mask);
update_cpu_masks();
/* Disable pseudo page faults on this cpu. */
pfault_fini();
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index d2458a29618f..58f8291950cb 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -67,7 +67,7 @@ static void cpu_group_map(cpumask_t *dst, struct mask_info *info, unsigned int c
static cpumask_t mask;
cpumask_clear(&mask);
- if (!cpu_online(cpu))
+ if (!cpumask_test_cpu(cpu, &cpu_setup_mask))
goto out;
cpumask_set_cpu(cpu, &mask);
switch (topology_mode) {
@@ -88,7 +88,7 @@ static void cpu_group_map(cpumask_t *dst, struct mask_info *info, unsigned int c
case TOPOLOGY_MODE_SINGLE:
break;
}
- cpumask_and(&mask, &mask, cpu_online_mask);
+ cpumask_and(&mask, &mask, &cpu_setup_mask);
out:
cpumask_copy(dst, &mask);
}
@@ -99,16 +99,16 @@ static void cpu_thread_map(cpumask_t *dst, unsigned int cpu)
int i;
cpumask_clear(&mask);
- if (!cpu_online(cpu))
+ if (!cpumask_test_cpu(cpu, &cpu_setup_mask))
goto out;
cpumask_set_cpu(cpu, &mask);
if (topology_mode != TOPOLOGY_MODE_HW)
goto out;
cpu -= cpu % (smp_cpu_mtid + 1);
- for (i = 0; i <= smp_cpu_mtid; i++)
- if (cpu_present(cpu + i))
+ for (i = 0; i <= smp_cpu_mtid; i++) {
+ if (cpumask_test_cpu(cpu + i, &cpu_setup_mask))
cpumask_set_cpu(cpu + i, &mask);
- cpumask_and(&mask, &mask, cpu_online_mask);
+ }
out:
cpumask_copy(dst, &mask);
}
@@ -569,6 +569,7 @@ void __init topology_init_early(void)
alloc_masks(info, &book_info, 2);
alloc_masks(info, &drawer_info, 3);
out:
+ cpumask_set_cpu(0, &cpu_setup_mask);
__arch_update_cpu_topology();
__arch_update_dedicated_flag(NULL);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 22:18:15 +0000