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-rw-r--r--arch/alpha/configs/defconfig4
-rw-r--r--arch/alpha/include/asm/Kbuild11
-rw-r--r--arch/alpha/include/asm/futex.h5
-rw-r--r--arch/alpha/kernel/.gitignore1
-rw-r--r--arch/alpha/kernel/irq_alpha.c29
-rw-r--r--arch/alpha/kernel/irq_i8259.c8
-rw-r--r--arch/alpha/kernel/irq_impl.h7
-rw-r--r--arch/alpha/kernel/irq_pyxis.c3
-rw-r--r--arch/alpha/kernel/sys_alcor.c3
-rw-r--r--arch/alpha/kernel/sys_cabriolet.c3
-rw-r--r--arch/alpha/kernel/sys_eb64p.c3
-rw-r--r--arch/alpha/kernel/sys_marvel.c2
-rw-r--r--arch/alpha/kernel/sys_miata.c6
-rw-r--r--arch/alpha/kernel/sys_nautilus.c52
-rw-r--r--arch/alpha/kernel/sys_ruffian.c3
-rw-r--r--arch/alpha/kernel/sys_rx164.c3
-rw-r--r--arch/alpha/kernel/sys_sx164.c3
-rw-r--r--arch/alpha/kernel/sys_wildfire.c7
-rw-r--r--arch/alpha/kernel/time.c6
-rw-r--r--arch/alpha/mm/fault.c6
20 files changed, 59 insertions, 106 deletions
diff --git a/arch/alpha/configs/defconfig b/arch/alpha/configs/defconfig
index f4ec420d7f2d..6293675db164 100644
--- a/arch/alpha/configs/defconfig
+++ b/arch/alpha/configs/defconfig
@@ -36,7 +36,6 @@ CONFIG_BLK_DEV_CY82C693=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_BLK_DEV_SR=y
-CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=253
# CONFIG_AIC7XXX_DEBUG_ENABLE is not set
@@ -53,7 +52,8 @@ CONFIG_NET_PCI=y
CONFIG_YELLOWFIN=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_RTC=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_CMOS=y
CONFIG_EXT2_FS=y
CONFIG_REISERFS_FS=m
CONFIG_ISO9660_FS=y
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index 89e87bbc987f..42911c8340c7 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -1,17 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += syscall_table.h
-generic-y += compat.h
-generic-y += exec.h
generic-y += export.h
-generic-y += fb.h
-generic-y += irq_work.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h
-generic-y += mm-arch-hooks.h
-generic-y += mmiowb.h
-generic-y += preempt.h
-generic-y += sections.h
-generic-y += trace_clock.h
-generic-y += current.h
-generic-y += kprobes.h
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index bfd3c01038f8..da67afd578fd 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -31,7 +31,8 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
{
int oldval = 0, ret;
- pagefault_disable();
+ if (!access_ok(uaddr, sizeof(u32)))
+ return -EFAULT;
switch (op) {
case FUTEX_OP_SET:
@@ -53,8 +54,6 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
ret = -ENOSYS;
}
- pagefault_enable();
-
if (!ret)
*oval = oldval;
diff --git a/arch/alpha/kernel/.gitignore b/arch/alpha/kernel/.gitignore
index c5f676c3c224..bbb90f92d051 100644
--- a/arch/alpha/kernel/.gitignore
+++ b/arch/alpha/kernel/.gitignore
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
vmlinux.lds
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index da3e10d5f7fe..d17e44c99df9 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -213,32 +213,13 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr,
* The special RTC interrupt type. The interrupt itself was
* processed by PALcode, and comes in via entInt vector 1.
*/
-
-struct irqaction timer_irqaction = {
- .handler = rtc_timer_interrupt,
- .name = "timer",
-};
-
void __init
-init_rtc_irq(void)
+init_rtc_irq(irq_handler_t handler)
{
irq_set_chip_and_handler_name(RTC_IRQ, &dummy_irq_chip,
handle_percpu_irq, "RTC");
- setup_irq(RTC_IRQ, &timer_irqaction);
+ if (!handler)
+ handler = rtc_timer_interrupt;
+ if (request_irq(RTC_IRQ, handler, 0, "timer", NULL))
+ pr_err("Failed to register timer interrupt\n");
}
-
-/* Dummy irqactions. */
-struct irqaction isa_cascade_irqaction = {
- .handler = no_action,
- .name = "isa-cascade"
-};
-
-struct irqaction timer_cascade_irqaction = {
- .handler = no_action,
- .name = "timer-cascade"
-};
-
-struct irqaction halt_switch_irqaction = {
- .handler = no_action,
- .name = "halt-switch"
-};
diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c
index 5d54c076a8ae..1dcf0d9038fd 100644
--- a/arch/alpha/kernel/irq_i8259.c
+++ b/arch/alpha/kernel/irq_i8259.c
@@ -82,11 +82,6 @@ struct irq_chip i8259a_irq_type = {
void __init
init_i8259a_irqs(void)
{
- static struct irqaction cascade = {
- .handler = no_action,
- .name = "cascade",
- };
-
long i;
outb(0xff, 0x21); /* mask all of 8259A-1 */
@@ -96,7 +91,8 @@ init_i8259a_irqs(void)
irq_set_chip_and_handler(i, &i8259a_irq_type, handle_level_irq);
}
- setup_irq(2, &cascade);
+ if (request_irq(2, no_action, 0, "cascade", NULL))
+ pr_err("Failed to request irq 2 (cascade)\n");
}
diff --git a/arch/alpha/kernel/irq_impl.h b/arch/alpha/kernel/irq_impl.h
index 16f2b0276f3a..fbf21892e66d 100644
--- a/arch/alpha/kernel/irq_impl.h
+++ b/arch/alpha/kernel/irq_impl.h
@@ -21,14 +21,9 @@ extern void isa_no_iack_sc_device_interrupt(unsigned long);
extern void srm_device_interrupt(unsigned long);
extern void pyxis_device_interrupt(unsigned long);
-extern struct irqaction timer_irqaction;
-extern struct irqaction isa_cascade_irqaction;
-extern struct irqaction timer_cascade_irqaction;
-extern struct irqaction halt_switch_irqaction;
-
extern void init_srm_irqs(long, unsigned long);
extern void init_pyxis_irqs(unsigned long);
-extern void init_rtc_irq(void);
+extern void init_rtc_irq(irq_handler_t handler);
extern void common_init_isa_dma(void);
diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c
index a968b10e687d..27070b5bd33e 100644
--- a/arch/alpha/kernel/irq_pyxis.c
+++ b/arch/alpha/kernel/irq_pyxis.c
@@ -107,5 +107,6 @@ init_pyxis_irqs(unsigned long ignore_mask)
irq_set_status_flags(i, IRQ_LEVEL);
}
- setup_irq(16+7, &isa_cascade_irqaction);
+ if (request_irq(16 + 7, no_action, 0, "isa-cascade", NULL))
+ pr_err("Failed to register isa-cascade interrupt\n");
}
diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c
index e56efd5b855f..ce5430056f65 100644
--- a/arch/alpha/kernel/sys_alcor.c
+++ b/arch/alpha/kernel/sys_alcor.c
@@ -133,7 +133,8 @@ alcor_init_irq(void)
init_i8259a_irqs();
common_init_isa_dma();
- setup_irq(16+31, &isa_cascade_irqaction);
+ if (request_irq(16 + 31, no_action, 0, "isa-cascade", NULL))
+ pr_err("Failed to register isa-cascade interrupt\n");
}
diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c
index 10bc46a4ec40..0aa6a27d0e2f 100644
--- a/arch/alpha/kernel/sys_cabriolet.c
+++ b/arch/alpha/kernel/sys_cabriolet.c
@@ -112,7 +112,8 @@ common_init_irq(void (*srm_dev_int)(unsigned long v))
}
common_init_isa_dma();
- setup_irq(16+4, &isa_cascade_irqaction);
+ if (request_irq(16 + 4, no_action, 0, "isa-cascade", NULL))
+ pr_err("Failed to register isa-cascade interrupt\n");
}
#ifndef CONFIG_ALPHA_PC164
diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c
index 5251937ec1b4..1cdfe55fb987 100644
--- a/arch/alpha/kernel/sys_eb64p.c
+++ b/arch/alpha/kernel/sys_eb64p.c
@@ -123,7 +123,8 @@ eb64p_init_irq(void)
}
common_init_isa_dma();
- setup_irq(16+5, &isa_cascade_irqaction);
+ if (request_irq(16 + 5, no_action, 0, "isa-cascade", NULL))
+ pr_err("Failed to register isa-cascade interrupt\n");
}
/*
diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c
index 8d34cf6e002a..533899a4a1a1 100644
--- a/arch/alpha/kernel/sys_marvel.c
+++ b/arch/alpha/kernel/sys_marvel.c
@@ -397,7 +397,7 @@ marvel_init_pci(void)
static void __init
marvel_init_rtc(void)
{
- init_rtc_irq();
+ init_rtc_irq(NULL);
}
static void
diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c
index 6fa07dc5339d..702292af2225 100644
--- a/arch/alpha/kernel/sys_miata.c
+++ b/arch/alpha/kernel/sys_miata.c
@@ -81,8 +81,10 @@ miata_init_irq(void)
init_pyxis_irqs(0x63b0000);
common_init_isa_dma();
- setup_irq(16+2, &halt_switch_irqaction); /* SRM only? */
- setup_irq(16+6, &timer_cascade_irqaction);
+ if (request_irq(16 + 2, no_action, 0, "halt-switch", NULL))
+ pr_err("Failed to register halt-switch interrupt\n");
+ if (request_irq(16 + 6, no_action, 0, "timer-cascade", NULL))
+ pr_err("Failed to register timer-cascade interrupt\n");
}
diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index cd9a112d67ff..32850e45834b 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -187,10 +187,6 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr)
extern void pcibios_claim_one_bus(struct pci_bus *);
-static struct resource irongate_io = {
- .name = "Irongate PCI IO",
- .flags = IORESOURCE_IO,
-};
static struct resource irongate_mem = {
.name = "Irongate PCI MEM",
.flags = IORESOURCE_MEM,
@@ -208,17 +204,19 @@ nautilus_init_pci(void)
struct pci_controller *hose = hose_head;
struct pci_host_bridge *bridge;
struct pci_bus *bus;
- struct pci_dev *irongate;
unsigned long bus_align, bus_size, pci_mem;
unsigned long memtop = max_low_pfn << PAGE_SHIFT;
- int ret;
bridge = pci_alloc_host_bridge(0);
if (!bridge)
return;
+ /* Use default IO. */
pci_add_resource(&bridge->windows, &ioport_resource);
- pci_add_resource(&bridge->windows, &iomem_resource);
+ /* Irongate PCI memory aperture, calculate requred size before
+ setting it up. */
+ pci_add_resource(&bridge->windows, &irongate_mem);
+
pci_add_resource(&bridge->windows, &busn_resource);
bridge->dev.parent = NULL;
bridge->sysdata = hose;
@@ -226,59 +224,49 @@ nautilus_init_pci(void)
bridge->ops = alpha_mv.pci_ops;
bridge->swizzle_irq = alpha_mv.pci_swizzle;
bridge->map_irq = alpha_mv.pci_map_irq;
+ bridge->size_windows = 1;
/* Scan our single hose. */
- ret = pci_scan_root_bus_bridge(bridge);
- if (ret) {
+ if (pci_scan_root_bus_bridge(bridge)) {
pci_free_host_bridge(bridge);
return;
}
-
bus = hose->bus = bridge->bus;
pcibios_claim_one_bus(bus);
- irongate = pci_get_domain_bus_and_slot(pci_domain_nr(bus), 0, 0);
- bus->self = irongate;
- bus->resource[0] = &irongate_io;
- bus->resource[1] = &irongate_mem;
-
pci_bus_size_bridges(bus);
- /* IO port range. */
- bus->resource[0]->start = 0;
- bus->resource[0]->end = 0xffff;
-
- /* Set up PCI memory range - limit is hardwired to 0xffffffff,
- base must be at aligned to 16Mb. */
- bus_align = bus->resource[1]->start;
- bus_size = bus->resource[1]->end + 1 - bus_align;
+ /* Now we've got the size and alignment of PCI memory resources
+ stored in irongate_mem. Set up the PCI memory range: limit is
+ hardwired to 0xffffffff, base must be aligned to 16Mb. */
+ bus_align = irongate_mem.start;
+ bus_size = irongate_mem.end + 1 - bus_align;
if (bus_align < 0x1000000UL)
bus_align = 0x1000000UL;
pci_mem = (0x100000000UL - bus_size) & -bus_align;
+ irongate_mem.start = pci_mem;
+ irongate_mem.end = 0xffffffffUL;
- bus->resource[1]->start = pci_mem;
- bus->resource[1]->end = 0xffffffffUL;
- if (request_resource(&iomem_resource, bus->resource[1]) < 0)
+ /* Register our newly calculated PCI memory window in the resource
+ tree. */
+ if (request_resource(&iomem_resource, &irongate_mem) < 0)
printk(KERN_ERR "Failed to request MEM on hose 0\n");
+ printk(KERN_INFO "Irongate pci_mem %pR\n", &irongate_mem);
+
if (pci_mem < memtop)
memtop = pci_mem;
if (memtop > alpha_mv.min_mem_address) {
free_reserved_area(__va(alpha_mv.min_mem_address),
__va(memtop), -1, NULL);
- printk("nautilus_init_pci: %ldk freed\n",
+ printk(KERN_INFO "nautilus_init_pci: %ldk freed\n",
(memtop - alpha_mv.min_mem_address) >> 10);
}
-
if ((IRONGATE0->dev_vendor >> 16) > 0x7006) /* Albacore? */
IRONGATE0->pci_mem = pci_mem;
pci_bus_assign_resources(bus);
-
- /* pci_common_swizzle() relies on bus->self being NULL
- for the root bus, so just clear it. */
- bus->self = NULL;
pci_bus_add_devices(bus);
}
diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c
index 07830cccabf9..d33074011960 100644
--- a/arch/alpha/kernel/sys_ruffian.c
+++ b/arch/alpha/kernel/sys_ruffian.c
@@ -82,7 +82,8 @@ ruffian_init_rtc(void)
outb(0x31, 0x42);
outb(0x13, 0x42);
- setup_irq(0, &timer_irqaction);
+ if (request_irq(0, rtc_timer_interrupt, 0, "timer", NULL))
+ pr_err("Failed to request irq 0 (timer)\n");
}
static void
diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c
index a3db719d3c38..4d85eaeb44aa 100644
--- a/arch/alpha/kernel/sys_rx164.c
+++ b/arch/alpha/kernel/sys_rx164.c
@@ -106,7 +106,8 @@ rx164_init_irq(void)
init_i8259a_irqs();
common_init_isa_dma();
- setup_irq(16+20, &isa_cascade_irqaction);
+ if (request_irq(16 + 20, no_action, 0, "isa-cascade", NULL))
+ pr_err("Failed to register isa-cascade interrupt\n");
}
diff --git a/arch/alpha/kernel/sys_sx164.c b/arch/alpha/kernel/sys_sx164.c
index 1ec638a2746a..17cc203176c8 100644
--- a/arch/alpha/kernel/sys_sx164.c
+++ b/arch/alpha/kernel/sys_sx164.c
@@ -54,7 +54,8 @@ sx164_init_irq(void)
else
init_pyxis_irqs(0xff00003f0000UL);
- setup_irq(16+6, &timer_cascade_irqaction);
+ if (request_irq(16 + 6, no_action, 0, "timer-cascade", NULL))
+ pr_err("Failed to register timer-cascade interrupt\n");
}
/*
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index 8e64052811ab..2191bde161fd 100644
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -156,10 +156,6 @@ static void __init
wildfire_init_irq_per_pca(int qbbno, int pcano)
{
int i, irq_bias;
- static struct irqaction isa_enable = {
- .handler = no_action,
- .name = "isa_enable",
- };
irq_bias = qbbno * (WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA)
+ pcano * WILDFIRE_IRQ_PER_PCA;
@@ -198,7 +194,8 @@ wildfire_init_irq_per_pca(int qbbno, int pcano)
irq_set_status_flags(i + irq_bias, IRQ_LEVEL);
}
- setup_irq(32+irq_bias, &isa_enable);
+ if (request_irq(32 + irq_bias, no_action, 0, "isa_enable", NULL))
+ pr_err("Failed to register isa_enable interrupt\n");
}
static void __init
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 0069360697ee..4d01c392ab14 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -242,7 +242,7 @@ common_init_rtc(void)
outb(0x31, 0x42);
outb(0x13, 0x42);
- init_rtc_irq();
+ init_rtc_irq(NULL);
}
@@ -396,9 +396,7 @@ time_init(void)
if (alpha_using_qemu) {
clocksource_register_hz(&qemu_cs, NSEC_PER_SEC);
init_qemu_clockevent();
-
- timer_irqaction.handler = qemu_timer_interrupt;
- init_rtc_irq();
+ init_rtc_irq(qemu_timer_interrupt);
return;
}
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 741e61ef9d3f..c2d7b6d7bac7 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -89,7 +89,7 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
const struct exception_table_entry *fixup;
int si_code = SEGV_MAPERR;
vm_fault_t fault;
- unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ unsigned int flags = FAULT_FLAG_DEFAULT;
/* As of EV6, a load into $31/$f31 is a prefetch, and never faults
(or is suppressed by the PALcode). Support that for older CPUs
@@ -150,7 +150,7 @@ retry:
the fault. */
fault = handle_mm_fault(vma, address, flags);
- if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
+ if (fault_signal_pending(fault, regs))
return;
if (unlikely(fault & VM_FAULT_ERROR)) {
@@ -169,7 +169,7 @@ retry:
else
current->min_flt++;
if (fault & VM_FAULT_RETRY) {
- flags &= ~FAULT_FLAG_ALLOW_RETRY;
+ flags |= FAULT_FLAG_TRIED;
/* No need to up_read(&mm->mmap_sem) as we would
* have already released it in __lock_page_or_retry
generated by cgit (git 2.34.1) at 2025-08-04 16:47:00 +0000