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-rw-r--r--arch/s390/configs/default_defconfig5
-rw-r--r--arch/s390/configs/gcov_defconfig5
-rw-r--r--arch/s390/configs/performance_defconfig5
-rw-r--r--arch/s390/configs/zfcpdump_defconfig3
-rw-r--r--arch/s390/defconfig8
-rw-r--r--arch/s390/include/asm/mmu_context.h33
-rw-r--r--arch/s390/include/asm/switch_to.h8
-rw-r--r--arch/s390/include/uapi/asm/Kbuild1
-rw-r--r--arch/s390/include/uapi/asm/sie.h26
-rw-r--r--arch/s390/include/uapi/asm/ucontext.h8
-rw-r--r--arch/s390/kernel/compat_linux.h4
-rw-r--r--arch/s390/kernel/head.S6
-rw-r--r--arch/s390/kernel/ptrace.c12
-rw-r--r--arch/s390/pci/pci.c49
14 files changed, 77 insertions, 96 deletions
diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig
index 8df022c43af..fd09a10a2b5 100644
--- a/arch/s390/configs/default_defconfig
+++ b/arch/s390/configs/default_defconfig
@@ -45,7 +45,8 @@ CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_MARCH_Z9_109=y
+CONFIG_MARCH_Z196=y
+CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=256
CONFIG_PREEMPT=y
CONFIG_HZ_100=y
@@ -240,7 +241,6 @@ CONFIG_IP_VS_PE_SIP=m
CONFIG_NF_CONNTRACK_IPV4=m
# CONFIG_NF_CONNTRACK_PROC_COMPAT is not set
CONFIG_NF_TABLES_IPV4=m
-CONFIG_NFT_REJECT_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
CONFIG_NF_TABLES_ARP=m
@@ -456,6 +456,7 @@ CONFIG_TN3270_FS=y
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
+CONFIG_DIAG288_WATCHDOG=m
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_INFINIBAND=m
diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig
index c81a74e3e25..b061180d354 100644
--- a/arch/s390/configs/gcov_defconfig
+++ b/arch/s390/configs/gcov_defconfig
@@ -45,7 +45,8 @@ CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_MARCH_Z9_109=y
+CONFIG_MARCH_Z196=y
+CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=256
CONFIG_HZ_100=y
CONFIG_MEMORY_HOTPLUG=y
@@ -238,7 +239,6 @@ CONFIG_IP_VS_PE_SIP=m
CONFIG_NF_CONNTRACK_IPV4=m
# CONFIG_NF_CONNTRACK_PROC_COMPAT is not set
CONFIG_NF_TABLES_IPV4=m
-CONFIG_NFT_REJECT_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
CONFIG_NF_TABLES_ARP=m
@@ -453,6 +453,7 @@ CONFIG_TN3270_FS=y
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
+CONFIG_DIAG288_WATCHDOG=m
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_INFINIBAND=m
diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig
index b5ba8fe1cc6..d279baa0801 100644
--- a/arch/s390/configs/performance_defconfig
+++ b/arch/s390/configs/performance_defconfig
@@ -43,7 +43,8 @@ CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_MARCH_Z9_109=y
+CONFIG_MARCH_Z196=y
+CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=256
CONFIG_HZ_100=y
CONFIG_MEMORY_HOTPLUG=y
@@ -236,7 +237,6 @@ CONFIG_IP_VS_PE_SIP=m
CONFIG_NF_CONNTRACK_IPV4=m
# CONFIG_NF_CONNTRACK_PROC_COMPAT is not set
CONFIG_NF_TABLES_IPV4=m
-CONFIG_NFT_REJECT_IPV4=m
CONFIG_NFT_CHAIN_ROUTE_IPV4=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
CONFIG_NF_TABLES_ARP=m
@@ -451,6 +451,7 @@ CONFIG_TN3270_FS=y
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
+CONFIG_DIAG288_WATCHDOG=m
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_INFINIBAND=m
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index cef073ca1f0..948e0e057a2 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -8,7 +8,8 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_MARCH_Z9_109=y
+CONFIG_MARCH_Z196=y
+CONFIG_TUNE_ZEC12=y
# CONFIG_COMPAT is not set
CONFIG_NR_CPUS=2
# CONFIG_HOTPLUG_CPU is not set
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 4557cb7ffdd..2e56498a40d 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -135,8 +135,8 @@ CONFIG_PROVE_LOCKING=y
CONFIG_LOCK_STAT=y
CONFIG_DEBUG_LOCKDEP=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
-CONFIG_DEBUG_WRITECOUNT=y
CONFIG_DEBUG_LIST=y
+CONFIG_DEBUG_PI_LIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_PROVE_RCU=y
@@ -199,4 +199,10 @@ CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRC7=m
+# CONFIG_XZ_DEC_X86 is not set
+# CONFIG_XZ_DEC_POWERPC is not set
+# CONFIG_XZ_DEC_IA64 is not set
+# CONFIG_XZ_DEC_ARM is not set
+# CONFIG_XZ_DEC_ARMTHUMB is not set
+# CONFIG_XZ_DEC_SPARC is not set
CONFIG_CMM=m
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index c28f32a45af..3815bfea1b2 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -33,10 +33,9 @@ static inline int init_new_context(struct task_struct *tsk,
static inline void set_user_asce(struct mm_struct *mm)
{
- pgd_t *pgd = mm->pgd;
-
- S390_lowcore.user_asce = mm->context.asce_bits | __pa(pgd);
- set_fs(current->thread.mm_segment);
+ S390_lowcore.user_asce = mm->context.asce_bits | __pa(mm->pgd);
+ if (current->thread.mm_segment.ar4)
+ __ctl_load(S390_lowcore.user_asce, 7, 7);
set_cpu_flag(CIF_ASCE);
}
@@ -70,12 +69,11 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
/* Clear old ASCE by loading the kernel ASCE. */
__ctl_load(S390_lowcore.kernel_asce, 1, 1);
__ctl_load(S390_lowcore.kernel_asce, 7, 7);
- /* Delay loading of the new ASCE to control registers CR1 & CR7 */
- set_cpu_flag(CIF_ASCE);
atomic_inc(&next->context.attach_count);
atomic_dec(&prev->context.attach_count);
if (MACHINE_HAS_TLB_LC)
cpumask_clear_cpu(cpu, &prev->context.cpu_attach_mask);
+ S390_lowcore.user_asce = next->context.asce_bits | __pa(next->pgd);
}
#define finish_arch_post_lock_switch finish_arch_post_lock_switch
@@ -84,17 +82,18 @@ static inline void finish_arch_post_lock_switch(void)
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
- if (!mm)
- return;
- preempt_disable();
- while (atomic_read(&mm->context.attach_count) >> 16)
- cpu_relax();
-
- cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm));
- set_user_asce(mm);
- if (mm->context.flush_mm)
- __tlb_flush_mm(mm);
- preempt_enable();
+ load_kernel_asce();
+ if (mm) {
+ preempt_disable();
+ while (atomic_read(&mm->context.attach_count) >> 16)
+ cpu_relax();
+
+ cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm));
+ if (mm->context.flush_mm)
+ __tlb_flush_mm(mm);
+ preempt_enable();
+ }
+ set_fs(current->thread.mm_segment);
}
#define enter_lazy_tlb(mm,tsk) do { } while (0)
diff --git a/arch/s390/include/asm/switch_to.h b/arch/s390/include/asm/switch_to.h
index 29c81f82705..18ea9e3f814 100644
--- a/arch/s390/include/asm/switch_to.h
+++ b/arch/s390/include/asm/switch_to.h
@@ -51,8 +51,8 @@ static inline int restore_fp_ctl(u32 *fpc)
return 0;
asm volatile(
- "0: lfpc %1\n"
- " la %0,0\n"
+ " lfpc %1\n"
+ "0: la %0,0\n"
"1:\n"
EX_TABLE(0b,1b)
: "=d" (rc) : "Q" (*fpc), "0" (-EINVAL));
@@ -134,8 +134,4 @@ static inline void restore_access_regs(unsigned int *acrs)
prev = __switch_to(prev,next); \
} while (0)
-#define finish_arch_switch(prev) do { \
- set_fs(current->thread.mm_segment); \
-} while (0)
-
#endif /* __ASM_SWITCH_TO_H */
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index 6a9a9eb645f..736637363d3 100644
--- a/arch/s390/include/uapi/asm/Kbuild
+++ b/arch/s390/include/uapi/asm/Kbuild
@@ -36,6 +36,7 @@ header-y += signal.h
header-y += socket.h
header-y += sockios.h
header-y += sclp_ctl.h
+header-y += sie.h
header-y += stat.h
header-y += statfs.h
header-y += swab.h
diff --git a/arch/s390/include/uapi/asm/sie.h b/arch/s390/include/uapi/asm/sie.h
index 3d97f610198..5d9cc19462c 100644
--- a/arch/s390/include/uapi/asm/sie.h
+++ b/arch/s390/include/uapi/asm/sie.h
@@ -1,8 +1,6 @@
#ifndef _UAPI_ASM_S390_SIE_H
#define _UAPI_ASM_S390_SIE_H
-#include <asm/sigp.h>
-
#define diagnose_codes \
{ 0x10, "DIAG (0x10) release pages" }, \
{ 0x44, "DIAG (0x44) time slice end" }, \
@@ -13,18 +11,18 @@
{ 0x500, "DIAG (0x500) KVM virtio functions" }, \
{ 0x501, "DIAG (0x501) KVM breakpoint" }
-#define sigp_order_codes \
- { SIGP_SENSE, "SIGP sense" }, \
- { SIGP_EXTERNAL_CALL, "SIGP external call" }, \
- { SIGP_EMERGENCY_SIGNAL, "SIGP emergency signal" }, \
- { SIGP_STOP, "SIGP stop" }, \
- { SIGP_STOP_AND_STORE_STATUS, "SIGP stop and store status" }, \
- { SIGP_SET_ARCHITECTURE, "SIGP set architecture" }, \
- { SIGP_SET_PREFIX, "SIGP set prefix" }, \
- { SIGP_SENSE_RUNNING, "SIGP sense running" }, \
- { SIGP_RESTART, "SIGP restart" }, \
- { SIGP_INITIAL_CPU_RESET, "SIGP initial cpu reset" }, \
- { SIGP_STORE_STATUS_AT_ADDRESS, "SIGP store status at address" }
+#define sigp_order_codes \
+ { 0x01, "SIGP sense" }, \
+ { 0x02, "SIGP external call" }, \
+ { 0x03, "SIGP emergency signal" }, \
+ { 0x05, "SIGP stop" }, \
+ { 0x06, "SIGP restart" }, \
+ { 0x09, "SIGP stop and store status" }, \
+ { 0x0b, "SIGP initial cpu reset" }, \
+ { 0x0d, "SIGP set prefix" }, \
+ { 0x0e, "SIGP store status at address" }, \
+ { 0x12, "SIGP set architecture" }, \
+ { 0x15, "SIGP sense running" }
#define icpt_prog_codes \
{ 0x0001, "Prog Operation" }, \
diff --git a/arch/s390/include/uapi/asm/ucontext.h b/arch/s390/include/uapi/asm/ucontext.h
index 200e06325c6..3e077b2a470 100644
--- a/arch/s390/include/uapi/asm/ucontext.h
+++ b/arch/s390/include/uapi/asm/ucontext.h
@@ -16,7 +16,9 @@ struct ucontext_extended {
struct ucontext *uc_link;
stack_t uc_stack;
_sigregs uc_mcontext;
- unsigned long uc_sigmask[2];
+ sigset_t uc_sigmask;
+ /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
+ unsigned char __unused[128 - sizeof(sigset_t)];
unsigned long uc_gprs_high[16];
};
@@ -27,7 +29,9 @@ struct ucontext {
struct ucontext *uc_link;
stack_t uc_stack;
_sigregs uc_mcontext;
- sigset_t uc_sigmask; /* mask last for extensibility */
+ sigset_t uc_sigmask;
+ /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
+ unsigned char __unused[128 - sizeof(sigset_t)];
};
#endif /* !_ASM_S390_UCONTEXT_H */
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index 39ddfdb40ae..70d4b7c4bea 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -69,7 +69,9 @@ struct ucontext32 {
__u32 uc_link; /* pointer */
compat_stack_t uc_stack;
_sigregs32 uc_mcontext;
- compat_sigset_t uc_sigmask; /* mask last for extensibility */
+ compat_sigset_t uc_sigmask;
+ /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
+ unsigned char __unused[128 - sizeof(compat_sigset_t)];
};
struct stat64_emu31;
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 7ba7d678451..e88d35d7495 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -437,11 +437,11 @@ ENTRY(startup_kdump)
#if defined(CONFIG_64BIT)
#if defined(CONFIG_MARCH_ZEC12)
- .long 3, 0xc100efea, 0xf46ce800, 0x00400000
+ .long 3, 0xc100eff2, 0xf46ce800, 0x00400000
#elif defined(CONFIG_MARCH_Z196)
- .long 2, 0xc100efea, 0xf46c0000
+ .long 2, 0xc100eff2, 0xf46c0000
#elif defined(CONFIG_MARCH_Z10)
- .long 2, 0xc100efea, 0xf0680000
+ .long 2, 0xc100eff2, 0xf0680000
#elif defined(CONFIG_MARCH_Z9_109)
.long 1, 0xc100efc2
#elif defined(CONFIG_MARCH_Z990)
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 2d716734b5b..5dc7ad9e2fb 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -334,9 +334,14 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)
unsigned long mask = PSW_MASK_USER;
mask |= is_ri_task(child) ? PSW_MASK_RI : 0;
- if ((data & ~mask) != PSW_USER_BITS)
+ if ((data ^ PSW_USER_BITS) & ~mask)
+ /* Invalid psw mask. */
+ return -EINVAL;
+ if ((data & PSW_MASK_ASC) == PSW_ASC_HOME)
+ /* Invalid address-space-control bits */
return -EINVAL;
if ((data & PSW_MASK_EA) && !(data & PSW_MASK_BA))
+ /* Invalid addressing mode bits */
return -EINVAL;
}
*(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data;
@@ -672,9 +677,12 @@ static int __poke_user_compat(struct task_struct *child,
mask |= is_ri_task(child) ? PSW32_MASK_RI : 0;
/* Build a 64 bit psw mask from 31 bit mask. */
- if ((tmp & ~mask) != PSW32_USER_BITS)
+ if ((tmp ^ PSW32_USER_BITS) & ~mask)
/* Invalid psw mask. */
return -EINVAL;
+ if ((data & PSW32_MASK_ASC) == PSW32_ASC_HOME)
+ /* Invalid address-space-control bits */
+ return -EINVAL;
regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) |
(regs->psw.mask & PSW_MASK_BA) |
(__u64)(tmp & mask) << 32;
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 9ddc51eeb8d..30de42730b2 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -48,13 +48,10 @@
static LIST_HEAD(zpci_list);
static DEFINE_SPINLOCK(zpci_list_lock);
-static void zpci_enable_irq(struct irq_data *data);
-static void zpci_disable_irq(struct irq_data *data);
-
static struct irq_chip zpci_irq_chip = {
.name = "zPCI",
- .irq_unmask = zpci_enable_irq,
- .irq_mask = zpci_disable_irq,
+ .irq_unmask = unmask_msi_irq,
+ .irq_mask = mask_msi_irq,
};
static DECLARE_BITMAP(zpci_domain, ZPCI_NR_DEVICES);
@@ -244,43 +241,6 @@ static int zpci_cfg_store(struct zpci_dev *zdev, int offset, u32 val, u8 len)
return rc;
}
-static int zpci_msi_set_mask_bits(struct msi_desc *msi, u32 mask, u32 flag)
-{
- int offset, pos;
- u32 mask_bits;
-
- if (msi->msi_attrib.is_msix) {
- offset = msi->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
- PCI_MSIX_ENTRY_VECTOR_CTRL;
- msi->masked = readl(msi->mask_base + offset);
- writel(flag, msi->mask_base + offset);
- } else if (msi->msi_attrib.maskbit) {
- pos = (long) msi->mask_base;
- pci_read_config_dword(msi->dev, pos, &mask_bits);
- mask_bits &= ~(mask);
- mask_bits |= flag & mask;
- pci_write_config_dword(msi->dev, pos, mask_bits);
- } else
- return 0;
-
- msi->msi_attrib.maskbit = !!flag;
- return 1;
-}
-
-static void zpci_enable_irq(struct irq_data *data)
-{
- struct msi_desc *msi = irq_get_msi_desc(data->irq);
-
- zpci_msi_set_mask_bits(msi, 1, 0);
-}
-
-static void zpci_disable_irq(struct irq_data *data)
-{
- struct msi_desc *msi = irq_get_msi_desc(data->irq);
-
- zpci_msi_set_mask_bits(msi, 1, 1);
-}
-
void pcibios_fixup_bus(struct pci_bus *bus)
{
}
@@ -487,7 +447,10 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev)
/* Release MSI interrupts */
list_for_each_entry(msi, &pdev->msi_list, list) {
- zpci_msi_set_mask_bits(msi, 1, 1);
+ if (msi->msi_attrib.is_msix)
+ default_msix_mask_irq(msi, 1);
+ else
+ default_msi_mask_irq(msi, 1, 1);
irq_set_msi_desc(msi->irq, NULL);
irq_free_desc(msi->irq);
msi->msg.address_lo = 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-14 12:50:21 +0000