summaryrefslogtreecommitdiff
path: root/arch/ia64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/Kconfig4
-rw-r--r--arch/ia64/include/asm/Kbuild1
-rw-r--r--arch/ia64/include/asm/acenv.h4
-rw-r--r--arch/ia64/include/asm/acpi.h5
-rw-r--r--arch/ia64/include/asm/io.h1
-rw-r--r--arch/ia64/include/asm/page.h2
-rw-r--r--arch/ia64/include/asm/processor.h1
-rw-r--r--arch/ia64/include/asm/scatterlist.h7
-rw-r--r--arch/ia64/include/asm/unistd.h2
-rw-r--r--arch/ia64/include/uapi/asm/unistd.h1
-rw-r--r--arch/ia64/kernel/entry.S1
-rw-r--r--arch/ia64/kernel/process.c2
-rw-r--r--arch/ia64/kernel/signal.c46
-rw-r--r--arch/ia64/kernel/time.c19
-rw-r--r--arch/ia64/kvm/Kconfig1
-rw-r--r--arch/ia64/kvm/kvm-ia64.c2
-rw-r--r--arch/ia64/mm/init.c34
-rw-r--r--arch/ia64/pci/fixup.c22
-rw-r--r--arch/ia64/sn/kernel/bte.c4
-rw-r--r--arch/ia64/sn/kernel/setup.c2
20 files changed, 101 insertions, 60 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 2f3abcf8f6bc..64aefb76bd69 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -10,6 +10,7 @@ config IA64
select ARCH_MIGHT_HAVE_PC_SERIO
select PCI if (!IA64_HP_SIM)
select ACPI if (!IA64_HP_SIM)
+ select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select PM if (!IA64_HP_SIM)
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_IDE
@@ -27,6 +28,7 @@ config IA64
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
+ select ARCH_HAS_SG_CHAIN
select VIRT_TO_BUS
select ARCH_DISCARD_MEMBLOCK
select GENERIC_IRQ_PROBE
@@ -547,6 +549,8 @@ source "drivers/sn/Kconfig"
config KEXEC
bool "kexec system call"
depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
+ select CRYPTO
+ select CRYPTO_SHA256
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 0da4aa2602ae..e8317d2d6c8d 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -5,5 +5,6 @@ generic-y += hash.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h
generic-y += preempt.h
+generic-y += scatterlist.h
generic-y += trace_clock.h
generic-y += vtime.h
diff --git a/arch/ia64/include/asm/acenv.h b/arch/ia64/include/asm/acenv.h
index 3f9eaeec9873..35ff13afbf34 100644
--- a/arch/ia64/include/asm/acenv.h
+++ b/arch/ia64/include/asm/acenv.h
@@ -19,8 +19,6 @@
/* Asm macros */
-#ifdef CONFIG_ACPI
-
static inline int
ia64_acpi_acquire_global_lock(unsigned int *lock)
{
@@ -51,6 +49,4 @@ ia64_acpi_release_global_lock(unsigned int *lock)
#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
-#endif
-
#endif /* _ASM_IA64_ACENV_H */
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 75dc59a793d6..a1d91ab4c5ef 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -40,6 +40,11 @@ extern int acpi_lapic;
#define acpi_noirq 0 /* ACPI always enabled on IA64 */
#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */
+
+static inline bool acpi_has_cpu_in_madt(void)
+{
+ return !!acpi_lapic;
+}
#endif
#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
static inline void disable_acpi(void) { }
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index 0d2bcb37ec35..bee0acd52f7e 100644
--- a/arch/ia64/include/asm/io.h
+++ b/arch/ia64/include/asm/io.h
@@ -426,6 +426,7 @@ extern void iounmap (volatile void __iomem *addr);
extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
#define early_memremap(phys_addr, size) early_ioremap(phys_addr, size)
extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
+#define early_memunmap(addr, size) early_iounmap(addr, size)
static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size)
{
return ioremap(phys_addr, size);
diff --git a/arch/ia64/include/asm/page.h b/arch/ia64/include/asm/page.h
index f1e1b2e3cdb3..1f1bf144fe62 100644
--- a/arch/ia64/include/asm/page.h
+++ b/arch/ia64/include/asm/page.h
@@ -231,4 +231,6 @@ get_order (unsigned long size)
#define PERCPU_ADDR (-PERCPU_PAGE_SIZE)
#define LOAD_OFFSET (KERNEL_START - KERNEL_TR_PAGE_SIZE)
+#define __HAVE_ARCH_GATE_AREA 1
+
#endif /* _ASM_IA64_PAGE_H */
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h
index efd1b927ccb7..c7367130ab14 100644
--- a/arch/ia64/include/asm/processor.h
+++ b/arch/ia64/include/asm/processor.h
@@ -548,6 +548,7 @@ ia64_eoi (void)
}
#define cpu_relax() ia64_hint(ia64_hint_pause)
+#define cpu_relax_lowlatency() cpu_relax()
static inline int
ia64_get_irr(unsigned int vector)
diff --git a/arch/ia64/include/asm/scatterlist.h b/arch/ia64/include/asm/scatterlist.h
deleted file mode 100644
index 08fd93bff1db..000000000000
--- a/arch/ia64/include/asm/scatterlist.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _ASM_IA64_SCATTERLIST_H
-#define _ASM_IA64_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-#define ARCH_HAS_SG_CHAIN
-
-#endif /* _ASM_IA64_SCATTERLIST_H */
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index fb13dc5e8f8c..4254f5d3218c 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
-#define NR_syscalls 315 /* length of syscall table */
+#define NR_syscalls 316 /* length of syscall table */
/*
* The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 7de0a2d65da4..99801c3be914 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -328,5 +328,6 @@
#define __NR_sched_setattr 1336
#define __NR_sched_getattr 1337
#define __NR_renameat2 1338
+#define __NR_getrandom 1339
#endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ba3d03503e84..4c13837a9269 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1776,6 +1776,7 @@ sys_call_table:
data8 sys_sched_setattr
data8 sys_sched_getattr
data8 sys_renameat2
+ data8 sys_getrandom
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 55d4ba47a907..deed6fa96bb0 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -662,7 +662,7 @@ void
machine_restart (char *restart_cmd)
{
(void) notify_die(DIE_MACHINE_RESTART, restart_cmd, NULL, 0, 0, 0);
- (*efi.reset_system)(EFI_RESET_WARM, 0, 0, NULL);
+ efi_reboot(REBOOT_WARM, NULL);
}
void
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 33cab9a8adff..6d92170be457 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -309,12 +309,11 @@ force_sigsegv_info (int sig, void __user *addr)
si.si_uid = from_kuid_munged(current_user_ns(), current_uid());
si.si_addr = addr;
force_sig_info(SIGSEGV, &si, current);
- return 0;
+ return 1;
}
static long
-setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
- struct sigscratch *scr)
+setup_frame(struct ksignal *ksig, sigset_t *set, struct sigscratch *scr)
{
extern char __kernel_sigtramp[];
unsigned long tramp_addr, new_rbs = 0, new_sp;
@@ -323,7 +322,7 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
new_sp = scr->pt.r12;
tramp_addr = (unsigned long) __kernel_sigtramp;
- if (ka->sa.sa_flags & SA_ONSTACK) {
+ if (ksig->ka.sa.sa_flags & SA_ONSTACK) {
int onstack = sas_ss_flags(new_sp);
if (onstack == 0) {
@@ -347,29 +346,29 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
*/
check_sp = (new_sp - sizeof(*frame)) & -STACK_ALIGN;
if (!likely(on_sig_stack(check_sp)))
- return force_sigsegv_info(sig, (void __user *)
+ return force_sigsegv_info(ksig->sig, (void __user *)
check_sp);
}
}
frame = (void __user *) ((new_sp - sizeof(*frame)) & -STACK_ALIGN);
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- return force_sigsegv_info(sig, frame);
+ return force_sigsegv_info(ksig->sig, frame);
- err = __put_user(sig, &frame->arg0);
+ err = __put_user(ksig->sig, &frame->arg0);
err |= __put_user(&frame->info, &frame->arg1);
err |= __put_user(&frame->sc, &frame->arg2);
err |= __put_user(new_rbs, &frame->sc.sc_rbs_base);
err |= __put_user(0, &frame->sc.sc_loadrs); /* initialize to zero */
- err |= __put_user(ka->sa.sa_handler, &frame->handler);
+ err |= __put_user(ksig->ka.sa.sa_handler, &frame->handler);
- err |= copy_siginfo_to_user(&frame->info, info);
+ err |= copy_siginfo_to_user(&frame->info, &ksig->info);
err |= __save_altstack(&frame->sc.sc_stack, scr->pt.r12);
err |= setup_sigcontext(&frame->sc, set, scr);
if (unlikely(err))
- return force_sigsegv_info(sig, frame);
+ return force_sigsegv_info(ksig->sig, frame);
scr->pt.r12 = (unsigned long) frame - 16; /* new stack pointer */
scr->pt.ar_fpsr = FPSR_DEFAULT; /* reset fpsr for signal handler */
@@ -394,22 +393,20 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
#if DEBUG_SIG
printk("SIG deliver (%s:%d): sig=%d sp=%lx ip=%lx handler=%p\n",
- current->comm, current->pid, sig, scr->pt.r12, frame->sc.sc_ip, frame->handler);
+ current->comm, current->pid, ksig->sig, scr->pt.r12, frame->sc.sc_ip, frame->handler);
#endif
- return 1;
+ return 0;
}
static long
-handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
- struct sigscratch *scr)
+handle_signal (struct ksignal *ksig, struct sigscratch *scr)
{
- if (!setup_frame(sig, ka, info, sigmask_to_save(), scr))
- return 0;
+ int ret = setup_frame(ksig, sigmask_to_save(), scr);
- signal_delivered(sig, info, ka, &scr->pt,
- test_thread_flag(TIF_SINGLESTEP));
+ if (!ret)
+ signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP));
- return 1;
+ return ret;
}
/*
@@ -419,17 +416,16 @@ handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
void
ia64_do_signal (struct sigscratch *scr, long in_syscall)
{
- struct k_sigaction ka;
- siginfo_t info;
long restart = in_syscall;
long errno = scr->pt.r8;
+ struct ksignal ksig;
/*
* This only loops in the rare cases of handle_signal() failing, in which case we
* need to push through a forced SIGSEGV.
*/
while (1) {
- int signr = get_signal_to_deliver(&info, &ka, &scr->pt, NULL);
+ get_signal(&ksig);
/*
* get_signal_to_deliver() may have run a debugger (via notify_parent())
@@ -446,7 +442,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
*/
restart = 0;
- if (signr <= 0)
+ if (ksig.sig <= 0)
break;
if (unlikely(restart)) {
@@ -458,7 +454,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
break;
case ERESTARTSYS:
- if ((ka.sa.sa_flags & SA_RESTART) == 0) {
+ if ((ksig.ka.sa.sa_flags & SA_RESTART) == 0) {
scr->pt.r8 = EINTR;
/* note: scr->pt.r10 is already -1 */
break;
@@ -473,7 +469,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
* Whee! Actually deliver the signal. If the delivery failed, we need to
* continue to iterate in this loop so we can deliver the SIGSEGV...
*/
- if (handle_signal(signr, &ka, &info, scr))
+ if (handle_signal(&ksig, scr))
return;
}
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 71c52bc7c28d..9a0104a38cd3 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -384,21 +384,6 @@ static struct irqaction timer_irqaction = {
.name = "timer"
};
-static struct platform_device rtc_efi_dev = {
- .name = "rtc-efi",
- .id = -1,
-};
-
-static int __init rtc_init(void)
-{
- if (platform_device_register(&rtc_efi_dev) < 0)
- printk(KERN_ERR "unable to register rtc device...\n");
-
- /* not necessarily an error */
- return 0;
-}
-module_init(rtc_init);
-
void read_persistent_clock(struct timespec *ts)
{
efi_gettimeofday(ts);
@@ -441,7 +426,7 @@ void update_vsyscall_tz(void)
}
void update_vsyscall_old(struct timespec *wall, struct timespec *wtm,
- struct clocksource *c, u32 mult)
+ struct clocksource *c, u32 mult, cycle_t cycle_last)
{
write_seqcount_begin(&fsyscall_gtod_data.seq);
@@ -450,7 +435,7 @@ void update_vsyscall_old(struct timespec *wall, struct timespec *wtm,
fsyscall_gtod_data.clk_mult = mult;
fsyscall_gtod_data.clk_shift = c->shift;
fsyscall_gtod_data.clk_fsys_mmio = c->archdata.fsys_mmio;
- fsyscall_gtod_data.clk_cycle_last = c->cycle_last;
+ fsyscall_gtod_data.clk_cycle_last = cycle_last;
/* copy kernel time structures */
fsyscall_gtod_data.wall_time.tv_sec = wall->tv_sec;
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 990b86420cc6..3d50ea955c4c 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -25,6 +25,7 @@ config KVM
select PREEMPT_NOTIFIERS
select ANON_INODES
select HAVE_KVM_IRQCHIP
+ select HAVE_KVM_IRQFD
select HAVE_KVM_IRQ_ROUTING
select KVM_APIC_ARCHITECTURE
select KVM_MMIO
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 6a4309bb821a..0729ba6acddf 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -190,7 +190,7 @@ void kvm_arch_check_processor_compat(void *rtn)
*(int *)rtn = 0;
}
-int kvm_dev_ioctl_check_extension(long ext)
+int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
{
int r;
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 25c350264a41..6b3345758d3e 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -278,6 +278,37 @@ setup_gate (void)
ia64_patch_gate();
}
+static struct vm_area_struct gate_vma;
+
+static int __init gate_vma_init(void)
+{
+ gate_vma.vm_mm = NULL;
+ gate_vma.vm_start = FIXADDR_USER_START;
+ gate_vma.vm_end = FIXADDR_USER_END;
+ gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;
+ gate_vma.vm_page_prot = __P101;
+
+ return 0;
+}
+__initcall(gate_vma_init);
+
+struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
+{
+ return &gate_vma;
+}
+
+int in_gate_area_no_mm(unsigned long addr)
+{
+ if ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END))
+ return 1;
+ return 0;
+}
+
+int in_gate_area(struct mm_struct *mm, unsigned long addr)
+{
+ return in_gate_area_no_mm(addr);
+}
+
void ia64_mmu_init(void *my_cpu_data)
{
unsigned long pta, impl_va_bits;
@@ -631,7 +662,8 @@ int arch_add_memory(int nid, u64 start, u64 size)
pgdat = NODE_DATA(nid);
- zone = pgdat->node_zones + ZONE_NORMAL;
+ zone = pgdat->node_zones +
+ zone_for_memory(nid, start, size, ZONE_NORMAL);
ret = __add_pages(nid, zone, start_pfn, nr_pages);
if (ret)
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c
index 1fe9aa5068ea..ec73b2cf912a 100644
--- a/arch/ia64/pci/fixup.c
+++ b/arch/ia64/pci/fixup.c
@@ -6,6 +6,7 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/vgaarb.h>
+#include <linux/screen_info.h>
#include <asm/machvec.h>
@@ -37,6 +38,27 @@ static void pci_fixup_video(struct pci_dev *pdev)
return;
/* Maybe, this machine supports legacy memory map. */
+ if (!vga_default_device()) {
+ resource_size_t start, end;
+ int i;
+
+ /* Does firmware framebuffer belong to us? */
+ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+ if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM))
+ continue;
+
+ start = pci_resource_start(pdev, i);
+ end = pci_resource_end(pdev, i);
+
+ if (!start || !end)
+ continue;
+
+ if (screen_info.lfb_base >= start &&
+ (screen_info.lfb_base + screen_info.lfb_size) < end)
+ vga_set_default_device(pdev);
+ }
+ }
+
/* Is VGA routed to us? */
bus = pdev->bus;
while (bus) {
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index cad775a1a157..b2eb48490754 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -114,7 +114,7 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
if (mode & BTE_USE_ANY) {
nasid_to_try[1] = my_nasid;
} else {
- nasid_to_try[1] = (int)NULL;
+ nasid_to_try[1] = 0;
}
} else {
/* try local then remote */
@@ -122,7 +122,7 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
if (mode & BTE_USE_ANY) {
nasid_to_try[1] = NASID_GET(dest);
} else {
- nasid_to_try[1] = (int)NULL;
+ nasid_to_try[1] = 0;
}
}
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 53b01b8e2f19..36182c84363c 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -579,7 +579,7 @@ void sn_cpu_init(void)
(sn_prom_type == 1) ? "real" : "fake");
}
- memset(pda, 0, sizeof(pda));
+ memset(pda, 0, sizeof(*pda));
if (ia64_sn_get_sn_info(0, &sn_hub_info->shub2,
&sn_hub_info->nasid_bitmask,
&sn_hub_info->nasid_shift,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 11:33:24 +0000