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-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/include/asm/mutex.h9
-rw-r--r--arch/s390/include/asm/processor.h5
-rw-r--r--arch/s390/include/asm/spinlock.h8
-rw-r--r--arch/s390/include/asm/tlb.h14
-rw-r--r--arch/s390/include/uapi/asm/socket.h2
-rw-r--r--arch/s390/kernel/processor.c4
-rw-r--r--arch/s390/kernel/smp.c45
-rw-r--r--arch/s390/kernel/vmlinux.lds.S2
-rw-r--r--arch/s390/kernel/vtime.c9
-rw-r--r--arch/s390/kvm/interrupt.c2
-rw-r--r--arch/s390/kvm/kvm-s390.c57
-rw-r--r--arch/s390/kvm/sthyi.c4
-rw-r--r--arch/s390/lib/spinlock.c25
-rw-r--r--arch/s390/mm/gmap.c2
-rw-r--r--arch/s390/net/bpf_jit_comp.c2
-rw-r--r--arch/s390/pci/pci_dma.c2
17 files changed, 90 insertions, 103 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2d05efa31df3..c6722112527d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -173,6 +173,7 @@ config S390
select THREAD_INFO_IN_TASK
select TTY
select VIRT_CPU_ACCOUNTING
+ select ARCH_HAS_SCALED_CPUTIME
select VIRT_TO_BUS
select HAVE_NMI
diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h
deleted file mode 100644
index 458c1f7fbc18..000000000000
--- a/arch/s390/include/asm/mutex.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * Pull in the generic implementation for the mutex fastpath.
- *
- * TODO: implement optimized primitives instead, or leave the generic
- * implementation in place, or pick the atomic_xchg() based generic
- * implementation. (see asm-generic/mutex-xchg.h for details)
- */
-
-#include <asm-generic/mutex-dec.h>
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 9c00351f1545..6bca916a5ba0 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -240,9 +240,10 @@ static inline unsigned short stap(void)
/*
* Give up the time slice of the virtual PU.
*/
-void cpu_relax(void);
+#define cpu_relax_yield cpu_relax_yield
+void cpu_relax_yield(void);
-#define cpu_relax_lowlatency() barrier()
+#define cpu_relax() barrier()
#define ECAG_CACHE_ATTRIBUTE 0
#define ECAG_CPU_ATTRIBUTE 1
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 7e9e09f600fa..7ecd8902a5c3 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -23,6 +23,14 @@ _raw_compare_and_swap(unsigned int *lock, unsigned int old, unsigned int new)
return __sync_bool_compare_and_swap(lock, old, new);
}
+#ifndef CONFIG_SMP
+static inline bool arch_vcpu_is_preempted(int cpu) { return false; }
+#else
+bool arch_vcpu_is_preempted(int cpu);
+#endif
+
+#define vcpu_is_preempted arch_vcpu_is_preempted
+
/*
* Simple spin lock operations. There are two variants, one clears IRQ's
* on the local processor, one does not.
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 15711de10403..853b2a3d8dee 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -104,12 +104,6 @@ static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
return __tlb_remove_page(tlb, page);
}
-static inline bool __tlb_remove_pte_page(struct mmu_gather *tlb,
- struct page *page)
-{
- return __tlb_remove_page(tlb, page);
-}
-
static inline void tlb_remove_page_size(struct mmu_gather *tlb,
struct page *page, int page_size)
{
@@ -162,5 +156,13 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
#define tlb_remove_tlb_entry(tlb, ptep, addr) do { } while (0)
#define tlb_remove_pmd_tlb_entry(tlb, pmdp, addr) do { } while (0)
#define tlb_migrate_finish(mm) do { } while (0)
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ tlb_remove_tlb_entry(tlb, ptep, address)
+
+#define tlb_remove_check_page_size_change tlb_remove_check_page_size_change
+static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,
+ unsigned int page_size)
+{
+}
#endif /* _S390_TLB_H */
diff --git a/arch/s390/include/uapi/asm/socket.h b/arch/s390/include/uapi/asm/socket.h
index 41b51c2f4f1b..b24a64cbfeb1 100644
--- a/arch/s390/include/uapi/asm/socket.h
+++ b/arch/s390/include/uapi/asm/socket.h
@@ -96,4 +96,6 @@
#define SO_CNX_ADVICE 53
+#define SCM_TIMESTAMPING_OPT_STATS 54
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 81d0808085e6..9e60ef144d03 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -53,7 +53,7 @@ void s390_update_cpu_mhz(void)
on_each_cpu(update_cpu_mhz, NULL, 0);
}
-void notrace cpu_relax(void)
+void notrace cpu_relax_yield(void)
{
if (!smp_cpu_mtid && MACHINE_HAS_DIAG44) {
diag_stat_inc(DIAG_STAT_X044);
@@ -61,7 +61,7 @@ void notrace cpu_relax(void)
}
barrier();
}
-EXPORT_SYMBOL(cpu_relax);
+EXPORT_SYMBOL(cpu_relax_yield);
/*
* cpu_init - initializes state that is per-CPU.
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 5d53ab646b3f..e49f61aadaf9 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -367,10 +367,15 @@ int smp_find_processor_id(u16 address)
return -1;
}
-int smp_vcpu_scheduled(int cpu)
+bool arch_vcpu_is_preempted(int cpu)
{
- return pcpu_running(pcpu_devices + cpu);
+ if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu))
+ return false;
+ if (pcpu_running(pcpu_devices + cpu))
+ return false;
+ return true;
}
+EXPORT_SYMBOL(arch_vcpu_is_preempted);
void smp_yield_cpu(int cpu)
{
@@ -1040,22 +1045,18 @@ static struct attribute_group cpu_online_attr_group = {
.attrs = cpu_online_attrs,
};
-static int smp_cpu_notify(struct notifier_block *self, unsigned long action,
- void *hcpu)
+static int smp_cpu_online(unsigned int cpu)
{
- unsigned int cpu = (unsigned int)(long)hcpu;
struct device *s = &per_cpu(cpu_device, cpu)->dev;
- int err = 0;
- switch (action & ~CPU_TASKS_FROZEN) {
- case CPU_ONLINE:
- err = sysfs_create_group(&s->kobj, &cpu_online_attr_group);
- break;
- case CPU_DEAD:
- sysfs_remove_group(&s->kobj, &cpu_online_attr_group);
- break;
- }
- return notifier_from_errno(err);
+ return sysfs_create_group(&s->kobj, &cpu_online_attr_group);
+}
+static int smp_cpu_pre_down(unsigned int cpu)
+{
+ struct device *s = &per_cpu(cpu_device, cpu)->dev;
+
+ sysfs_remove_group(&s->kobj, &cpu_online_attr_group);
+ return 0;
}
static int smp_add_present_cpu(int cpu)
@@ -1076,20 +1077,12 @@ static int smp_add_present_cpu(int cpu)
rc = sysfs_create_group(&s->kobj, &cpu_common_attr_group);
if (rc)
goto out_cpu;
- if (cpu_online(cpu)) {
- rc = sysfs_create_group(&s->kobj, &cpu_online_attr_group);
- if (rc)
- goto out_online;
- }
rc = topology_cpu_init(c);
if (rc)
goto out_topology;
return 0;
out_topology:
- if (cpu_online(cpu))
- sysfs_remove_group(&s->kobj, &cpu_online_attr_group);
-out_online:
sysfs_remove_group(&s->kobj, &cpu_common_attr_group);
out_cpu:
#ifdef CONFIG_HOTPLUG_CPU
@@ -1143,17 +1136,15 @@ static int __init s390_smp_init(void)
if (rc)
return rc;
#endif
- cpu_notifier_register_begin();
for_each_present_cpu(cpu) {
rc = smp_add_present_cpu(cpu);
if (rc)
goto out;
}
- __hotcpu_notifier(smp_cpu_notify, 0);
-
+ rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "s390/smp:online",
+ smp_cpu_online, smp_cpu_pre_down);
out:
- cpu_notifier_register_done();
return rc;
}
subsys_initcall(s390_smp_init);
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 000e6e91f6a0..3667d20e997f 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -62,9 +62,11 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
__start_ro_after_init = .;
+ __start_data_ro_after_init = .;
.data..ro_after_init : {
*(.data..ro_after_init)
}
+ __end_data_ro_after_init = .;
EXCEPTION_TABLE(16)
. = ALIGN(PAGE_SIZE);
__end_ro_after_init = .;
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 9a6c95761ad2..6b246aadf311 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -136,8 +136,10 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset)
user_scaled = (user_scaled * mult) / div;
system_scaled = (system_scaled * mult) / div;
}
- account_user_time(tsk, user, user_scaled);
- account_system_time(tsk, hardirq_offset, system, system_scaled);
+ account_user_time(tsk, user);
+ tsk->utimescaled += user_scaled;
+ account_system_time(tsk, hardirq_offset, system);
+ tsk->stimescaled += system_scaled;
steal = S390_lowcore.steal_timer;
if ((s64) steal > 0) {
@@ -196,7 +198,8 @@ void vtime_account_irq_enter(struct task_struct *tsk)
system_scaled = (system_scaled * mult) / div;
}
- account_system_time(tsk, 0, system, system_scaled);
+ account_system_time(tsk, 0, system);
+ tsk->stimescaled += system_scaled;
virt_timer_forward(system);
}
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index be4db07f70d3..af13f1a135b6 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -415,7 +415,7 @@ static int __write_machine_check(struct kvm_vcpu *vcpu,
int rc;
mci.val = mchk->mcic;
- /* take care of lazy register loading via vcpu load/put */
+ /* take care of lazy register loading */
save_fpu_regs();
save_access_regs(vcpu->run->s.regs.acrs);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 9c7a1ecfe6bd..bec71e902be3 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -1812,22 +1812,7 @@ __u64 kvm_s390_get_cpu_timer(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
- /* Save host register state */
- save_fpu_regs();
- vcpu->arch.host_fpregs.fpc = current->thread.fpu.fpc;
- vcpu->arch.host_fpregs.regs = current->thread.fpu.regs;
-
- if (MACHINE_HAS_VX)
- current->thread.fpu.regs = vcpu->run->s.regs.vrs;
- else
- current->thread.fpu.regs = vcpu->run->s.regs.fprs;
- current->thread.fpu.fpc = vcpu->run->s.regs.fpc;
- if (test_fp_ctl(current->thread.fpu.fpc))
- /* User space provided an invalid FPC, let's clear it */
- current->thread.fpu.fpc = 0;
- save_access_regs(vcpu->arch.host_acrs);
- restore_access_regs(vcpu->run->s.regs.acrs);
gmap_enable(vcpu->arch.enabled_gmap);
atomic_or(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
if (vcpu->arch.cputm_enabled && !is_vcpu_idle(vcpu))
@@ -1844,16 +1829,6 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
vcpu->arch.enabled_gmap = gmap_get_enabled();
gmap_disable(vcpu->arch.enabled_gmap);
- /* Save guest register state */
- save_fpu_regs();
- vcpu->run->s.regs.fpc = current->thread.fpu.fpc;
-
- /* Restore host register state */
- current->thread.fpu.fpc = vcpu->arch.host_fpregs.fpc;
- current->thread.fpu.regs = vcpu->arch.host_fpregs.regs;
-
- save_access_regs(vcpu->run->s.regs.acrs);
- restore_access_regs(vcpu->arch.host_acrs);
}
static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu)
@@ -2243,7 +2218,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
{
memcpy(&vcpu->run->s.regs.acrs, &sregs->acrs, sizeof(sregs->acrs));
memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs));
- restore_access_regs(vcpu->run->s.regs.acrs);
return 0;
}
@@ -2257,11 +2231,9 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
- /* make sure the new values will be lazily loaded */
- save_fpu_regs();
if (test_fp_ctl(fpu->fpc))
return -EINVAL;
- current->thread.fpu.fpc = fpu->fpc;
+ vcpu->run->s.regs.fpc = fpu->fpc;
if (MACHINE_HAS_VX)
convert_fp_to_vx((__vector128 *) vcpu->run->s.regs.vrs,
(freg_t *) fpu->fprs);
@@ -2279,7 +2251,7 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
(__vector128 *) vcpu->run->s.regs.vrs);
else
memcpy(fpu->fprs, vcpu->run->s.regs.fprs, sizeof(fpu->fprs));
- fpu->fpc = current->thread.fpu.fpc;
+ fpu->fpc = vcpu->run->s.regs.fpc;
return 0;
}
@@ -2740,6 +2712,20 @@ static void sync_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
if (riccb->valid)
vcpu->arch.sie_block->ecb3 |= 0x01;
}
+ save_access_regs(vcpu->arch.host_acrs);
+ restore_access_regs(vcpu->run->s.regs.acrs);
+ /* save host (userspace) fprs/vrs */
+ save_fpu_regs();
+ vcpu->arch.host_fpregs.fpc = current->thread.fpu.fpc;
+ vcpu->arch.host_fpregs.regs = current->thread.fpu.regs;
+ if (MACHINE_HAS_VX)
+ current->thread.fpu.regs = vcpu->run->s.regs.vrs;
+ else
+ current->thread.fpu.regs = vcpu->run->s.regs.fprs;
+ current->thread.fpu.fpc = vcpu->run->s.regs.fpc;
+ if (test_fp_ctl(current->thread.fpu.fpc))
+ /* User space provided an invalid FPC, let's clear it */
+ current->thread.fpu.fpc = 0;
kvm_run->kvm_dirty_regs = 0;
}
@@ -2758,6 +2744,15 @@ static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
kvm_run->s.regs.pft = vcpu->arch.pfault_token;
kvm_run->s.regs.pfs = vcpu->arch.pfault_select;
kvm_run->s.regs.pfc = vcpu->arch.pfault_compare;
+ save_access_regs(vcpu->run->s.regs.acrs);
+ restore_access_regs(vcpu->arch.host_acrs);
+ /* Save guest register state */
+ save_fpu_regs();
+ vcpu->run->s.regs.fpc = current->thread.fpu.fpc;
+ /* Restore will be done lazily at return */
+ current->thread.fpu.fpc = vcpu->arch.host_fpregs.fpc;
+ current->thread.fpu.regs = vcpu->arch.host_fpregs.regs;
+
}
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
@@ -2874,7 +2869,7 @@ int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr)
{
/*
* The guest FPRS and ACRS are in the host FPRS/ACRS due to the lazy
- * copying in vcpu load/put. Lets update our copies before we save
+ * switch in the run ioctl. Let's update our copies before we save
* it into the save area
*/
save_fpu_regs();
diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c
index bd98b7d25200..05c98bb853cf 100644
--- a/arch/s390/kvm/sthyi.c
+++ b/arch/s390/kvm/sthyi.c
@@ -315,7 +315,7 @@ static void fill_diag(struct sthyi_sctns *sctns)
if (r < 0)
goto out;
- diag224_buf = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
+ diag224_buf = (void *)__get_free_page(GFP_KERNEL | GFP_DMA);
if (!diag224_buf || diag224(diag224_buf))
goto out;
@@ -378,7 +378,7 @@ static void fill_diag(struct sthyi_sctns *sctns)
sctns->par.infpval1 |= PAR_WGHT_VLD;
out:
- kfree(diag224_buf);
+ free_page((unsigned long)diag224_buf);
vfree(diag204_buf);
}
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index e5f50a7d2f4e..e48a48ec24bc 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -37,15 +37,6 @@ static inline void _raw_compare_and_delay(unsigned int *lock, unsigned int old)
asm(".insn rsy,0xeb0000000022,%0,0,%1" : : "d" (old), "Q" (*lock));
}
-static inline int cpu_is_preempted(int cpu)
-{
- if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu))
- return 0;
- if (smp_vcpu_scheduled(cpu))
- return 0;
- return 1;
-}
-
void arch_spin_lock_wait(arch_spinlock_t *lp)
{
unsigned int cpu = SPINLOCK_LOCKVAL;
@@ -62,7 +53,7 @@ void arch_spin_lock_wait(arch_spinlock_t *lp)
continue;
}
/* First iteration: check if the lock owner is running. */
- if (first_diag && cpu_is_preempted(~owner)) {
+ if (first_diag && arch_vcpu_is_preempted(~owner)) {
smp_yield_cpu(~owner);
first_diag = 0;
continue;
@@ -81,7 +72,7 @@ void arch_spin_lock_wait(arch_spinlock_t *lp)
* yield the CPU unconditionally. For LPAR rely on the
* sense running status.
*/
- if (!MACHINE_IS_LPAR || cpu_is_preempted(~owner)) {
+ if (!MACHINE_IS_LPAR || arch_vcpu_is_preempted(~owner)) {
smp_yield_cpu(~owner);
first_diag = 0;
}
@@ -108,7 +99,7 @@ void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
continue;
}
/* Check if the lock owner is running. */
- if (first_diag && cpu_is_preempted(~owner)) {
+ if (first_diag && arch_vcpu_is_preempted(~owner)) {
smp_yield_cpu(~owner);
first_diag = 0;
continue;
@@ -127,7 +118,7 @@ void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
* yield the CPU unconditionally. For LPAR rely on the
* sense running status.
*/
- if (!MACHINE_IS_LPAR || cpu_is_preempted(~owner)) {
+ if (!MACHINE_IS_LPAR || arch_vcpu_is_preempted(~owner)) {
smp_yield_cpu(~owner);
first_diag = 0;
}
@@ -165,7 +156,7 @@ void _raw_read_lock_wait(arch_rwlock_t *rw)
owner = 0;
while (1) {
if (count-- <= 0) {
- if (owner && cpu_is_preempted(~owner))
+ if (owner && arch_vcpu_is_preempted(~owner))
smp_yield_cpu(~owner);
count = spin_retry;
}
@@ -211,7 +202,7 @@ void _raw_write_lock_wait(arch_rwlock_t *rw, unsigned int prev)
owner = 0;
while (1) {
if (count-- <= 0) {
- if (owner && cpu_is_preempted(~owner))
+ if (owner && arch_vcpu_is_preempted(~owner))
smp_yield_cpu(~owner);
count = spin_retry;
}
@@ -241,7 +232,7 @@ void _raw_write_lock_wait(arch_rwlock_t *rw)
owner = 0;
while (1) {
if (count-- <= 0) {
- if (owner && cpu_is_preempted(~owner))
+ if (owner && arch_vcpu_is_preempted(~owner))
smp_yield_cpu(~owner);
count = spin_retry;
}
@@ -285,7 +276,7 @@ void arch_lock_relax(unsigned int cpu)
{
if (!cpu)
return;
- if (MACHINE_IS_LPAR && !cpu_is_preempted(~cpu))
+ if (MACHINE_IS_LPAR && !arch_vcpu_is_preempted(~cpu))
return;
smp_yield_cpu(~cpu);
}
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 3ba622702ce4..ec1f0dedb948 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -1015,7 +1015,7 @@ static inline void gmap_insert_rmap(struct gmap *sg, unsigned long vmaddr,
if (slot) {
rmap->next = radix_tree_deref_slot_protected(slot,
&sg->guest_table_lock);
- radix_tree_replace_slot(slot, rmap);
+ radix_tree_replace_slot(&sg->host_to_rmap, slot, rmap);
} else {
rmap->next = NULL;
radix_tree_insert(&sg->host_to_rmap, vmaddr >> PAGE_SHIFT,
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index bee281f3163d..167b31b186c1 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -981,7 +981,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
EMIT2(0x0d00, REG_14, REG_W1);
/* lgr %b0,%r2: load return value into %b0 */
EMIT4(0xb9040000, BPF_REG_0, REG_2);
- if (bpf_helper_changes_skb_data((void *)func)) {
+ if (bpf_helper_changes_pkt_data((void *)func)) {
jit->seen |= SEEN_SKB_CHANGE;
/* lg %b1,ST_OFF_SKBP(%r15) */
EMIT6_DISP_LH(0xe3000000, 0x0004, BPF_REG_1, REG_0,
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 54590207ae08..1d7a9c71944a 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -425,7 +425,7 @@ static int __s390_dma_map_sg(struct device *dev, struct scatterlist *sg,
dma_addr_t dma_addr_base, dma_addr;
int flags = ZPCI_PTE_VALID;
struct scatterlist *s;
- unsigned long pa;
+ unsigned long pa = 0;
int ret;
dma_addr_base = dma_alloc_address(dev, nr_pages);
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