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-rw-r--r--arch/s390/kernel/asm-offsets.c6
-rw-r--r--arch/s390/kernel/early.c2
-rw-r--r--arch/s390/kernel/entry.S1
-rw-r--r--arch/s390/kernel/entry64.S1
-rw-r--r--arch/s390/kernel/kprobes.c9
-rw-r--r--arch/s390/kernel/setup.c3
-rw-r--r--arch/s390/kernel/sysinfo.c2
-rw-r--r--arch/s390/kernel/topology.c6
-rw-r--r--arch/s390/kernel/vdso32/clock_getres.S6
-rw-r--r--arch/s390/kernel/vdso32/clock_gettime.S4
-rw-r--r--arch/s390/kernel/vdso64/clock_getres.S6
-rw-r--r--arch/s390/kernel/vdso64/clock_gettime.S4
12 files changed, 32 insertions, 18 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index f3c1b823c9a..33982e7ce04 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -66,9 +66,9 @@ int main(void)
DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
/* constants used by the vdso */
- DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
- DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
- DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
+ DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
+ DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
+ DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
BLANK();
/* constants for SIGP */
DEFINE(__SIGP_STOP, sigp_stop);
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index d149609e46e..3b7e7dddc32 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -282,8 +282,6 @@ static noinline __init void setup_facility_list(void)
static noinline __init void setup_hpage(void)
{
#ifndef CONFIG_DEBUG_PAGEALLOC
- unsigned int facilities;
-
if (!test_facility(2) || !test_facility(8))
return;
S390_lowcore.machine_flags |= MACHINE_FLAG_HPAGE;
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 5efce720298..1ecc337fb67 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -557,6 +557,7 @@ pgm_svcper:
# per was called from kernel, must be kprobes
#
kernel_per:
+ REENABLE_IRQS
mvi SP_SVCNR(%r15),0xff # set trap indication to pgm check
mvi SP_SVCNR+1(%r15),0xff
la %r2,SP_PTREGS(%r15) # address of register-save area
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index a2be23922f4..8f3e802174d 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -568,6 +568,7 @@ pgm_svcper:
# per was called from kernel, must be kprobes
#
kernel_per:
+ REENABLE_IRQS
xc SP_SVCNR(2,%r15),SP_SVCNR(%r15) # clear svc number
la %r2,SP_PTREGS(%r15) # address of register-save area
brasl %r14,do_single_step
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 2a3d2bf6f08..d60fc439851 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -316,6 +316,8 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
return 1;
ss_probe:
+ if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
+ local_irq_disable();
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_HIT_SS;
return 1;
@@ -463,6 +465,8 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs)
goto out;
}
reset_current_kprobe();
+ if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
+ local_irq_enable();
out:
preempt_enable_no_resched();
@@ -502,8 +506,11 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
regs->psw.mask |= kcb->kprobe_saved_imask;
if (kcb->kprobe_status == KPROBE_REENTER)
restore_previous_kprobe(kcb);
- else
+ else {
reset_current_kprobe();
+ if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
+ local_irq_enable();
+ }
preempt_enable_no_resched();
break;
case KPROBE_HIT_ACTIVE:
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index e3ceb911dc7..6f6350826c8 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -761,6 +761,9 @@ static void __init setup_hwcaps(void)
case 0x2098:
strcpy(elf_platform, "z10");
break;
+ case 0x2817:
+ strcpy(elf_platform, "z196");
+ break;
}
}
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index f04d93aa48e..5c9e439bf3f 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -106,11 +106,13 @@ static int stsi_15_1_x(struct sysinfo_15_1_x *info, char *page, int len)
for (i = 0; i < TOPOLOGY_NR_MAG; i++)
len += sprintf(page + len, " %d", info->mag[i]);
len += sprintf(page + len, "\n");
+#ifdef CONFIG_SCHED_MC
store_topology(info);
len += sprintf(page + len, "CPU Topology SW: ");
for (i = 0; i < TOPOLOGY_NR_MAG; i++)
len += sprintf(page + len, " %d", info->mag[i]);
len += sprintf(page + len, "\n");
+#endif
return len;
}
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index a9dee9048ee..94b06c31fc8 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -53,8 +53,10 @@ static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu)
cpumask_t mask;
cpus_clear(mask);
- if (!topology_enabled || !MACHINE_HAS_TOPOLOGY)
- return cpu_possible_map;
+ if (!topology_enabled || !MACHINE_HAS_TOPOLOGY) {
+ cpumask_copy(&mask, cpumask_of(cpu));
+ return mask;
+ }
while (info) {
if (cpu_isset(cpu, info->mask)) {
mask = info->mask;
diff --git a/arch/s390/kernel/vdso32/clock_getres.S b/arch/s390/kernel/vdso32/clock_getres.S
index 9532c4e6a9d..36aaa25d05d 100644
--- a/arch/s390/kernel/vdso32/clock_getres.S
+++ b/arch/s390/kernel/vdso32/clock_getres.S
@@ -19,9 +19,9 @@
.type __kernel_clock_getres,@function
__kernel_clock_getres:
.cfi_startproc
- chi %r2,CLOCK_REALTIME
+ chi %r2,__CLOCK_REALTIME
je 0f
- chi %r2,CLOCK_MONOTONIC
+ chi %r2,__CLOCK_MONOTONIC
jne 3f
0: ltr %r3,%r3
jz 2f /* res == NULL */
@@ -34,6 +34,6 @@ __kernel_clock_getres:
3: lhi %r1,__NR_clock_getres /* fallback to svc */
svc 0
br %r14
-4: .long CLOCK_REALTIME_RES
+4: .long __CLOCK_REALTIME_RES
.cfi_endproc
.size __kernel_clock_getres,.-__kernel_clock_getres
diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S
index 96964395427..b2224e0b974 100644
--- a/arch/s390/kernel/vdso32/clock_gettime.S
+++ b/arch/s390/kernel/vdso32/clock_gettime.S
@@ -21,9 +21,9 @@ __kernel_clock_gettime:
.cfi_startproc
basr %r5,0
0: al %r5,21f-0b(%r5) /* get &_vdso_data */
- chi %r2,CLOCK_REALTIME
+ chi %r2,__CLOCK_REALTIME
je 10f
- chi %r2,CLOCK_MONOTONIC
+ chi %r2,__CLOCK_MONOTONIC
jne 19f
/* CLOCK_MONOTONIC */
diff --git a/arch/s390/kernel/vdso64/clock_getres.S b/arch/s390/kernel/vdso64/clock_getres.S
index 9ce8caafdb4..176e1f75f9a 100644
--- a/arch/s390/kernel/vdso64/clock_getres.S
+++ b/arch/s390/kernel/vdso64/clock_getres.S
@@ -19,9 +19,9 @@
.type __kernel_clock_getres,@function
__kernel_clock_getres:
.cfi_startproc
- cghi %r2,CLOCK_REALTIME
+ cghi %r2,__CLOCK_REALTIME
je 0f
- cghi %r2,CLOCK_MONOTONIC
+ cghi %r2,__CLOCK_MONOTONIC
je 0f
cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */
jne 2f
@@ -39,6 +39,6 @@ __kernel_clock_getres:
2: lghi %r1,__NR_clock_getres /* fallback to svc */
svc 0
br %r14
-3: .quad CLOCK_REALTIME_RES
+3: .quad __CLOCK_REALTIME_RES
.cfi_endproc
.size __kernel_clock_getres,.-__kernel_clock_getres
diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S
index f40467884a0..d46c95ed5f1 100644
--- a/arch/s390/kernel/vdso64/clock_gettime.S
+++ b/arch/s390/kernel/vdso64/clock_gettime.S
@@ -20,11 +20,11 @@
__kernel_clock_gettime:
.cfi_startproc
larl %r5,_vdso_data
- cghi %r2,CLOCK_REALTIME
+ cghi %r2,__CLOCK_REALTIME
je 4f
cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */
je 9f
- cghi %r2,CLOCK_MONOTONIC
+ cghi %r2,__CLOCK_MONOTONIC
jne 12f
/* CLOCK_MONOTONIC */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 00:21:01 +0000