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-rw-r--r--arch/alpha/Kconfig1
-rw-r--r--arch/alpha/include/asm/Kbuild1
-rw-r--r--arch/alpha/include/asm/asm-prototypes.h2
-rw-r--r--arch/alpha/include/asm/futex.h8
-rw-r--r--arch/alpha/include/asm/processor.h5
-rw-r--r--arch/alpha/include/asm/thread_info.h3
-rw-r--r--arch/alpha/include/uapi/asm/Kbuild1
-rw-r--r--arch/alpha/include/uapi/asm/poll.h2
-rw-r--r--arch/alpha/include/uapi/asm/termbits.h6
-rw-r--r--arch/alpha/kernel/osf_sys.c72
-rw-r--r--arch/alpha/kernel/pci_impl.h3
-rw-r--r--arch/alpha/kernel/process.c5
-rw-r--r--arch/alpha/kernel/sys_sio.c35
-rw-r--r--arch/alpha/kernel/traps.c13
-rw-r--r--arch/alpha/lib/ev6-memset.S12
15 files changed, 98 insertions, 71 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index b31b974a03cb..e96adcbcab41 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -209,6 +209,7 @@ config ALPHA_EIGER
config ALPHA_JENSEN
bool "Jensen"
+ depends on BROKEN
help
DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
of the first-generation Alpha systems. A number of these systems
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index 47f3fba3e41f..9b68790013e2 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
-generic-y += clkdev.h
generic-y += exec.h
generic-y += export.h
generic-y += fb.h
diff --git a/arch/alpha/include/asm/asm-prototypes.h b/arch/alpha/include/asm/asm-prototypes.h
index d12c68ea340b..b34cc1f06720 100644
--- a/arch/alpha/include/asm/asm-prototypes.h
+++ b/arch/alpha/include/asm/asm-prototypes.h
@@ -4,7 +4,7 @@
#include <asm/console.h>
#include <asm/page.h>
#include <asm/string.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm-generic/asm-prototypes.h>
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index d2e4da93e68c..ca3322536f72 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -20,8 +20,8 @@
"3: .subsection 2\n" \
"4: br 1b\n" \
" .previous\n" \
- EXC(1b,3b,%1,$31) \
- EXC(2b,3b,%1,$31) \
+ EXC(1b,3b,$31,%1) \
+ EXC(2b,3b,$31,%1) \
: "=&r" (oldval), "=&r"(ret) \
: "r" (uaddr), "r"(oparg) \
: "memory")
@@ -82,8 +82,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
"3: .subsection 2\n"
"4: br 1b\n"
" .previous\n"
- EXC(1b,3b,%0,$31)
- EXC(2b,3b,%0,$31)
+ EXC(1b,3b,$31,%0)
+ EXC(2b,3b,$31,%0)
: "+r"(ret), "=&r"(prev), "=&r"(cmp)
: "r"(uaddr), "r"((long)(int)oldval), "r"(newval)
: "memory");
diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h
index bfe784f2d4af..cb05d045efe3 100644
--- a/arch/alpha/include/asm/processor.h
+++ b/arch/alpha/include/asm/processor.h
@@ -40,15 +40,12 @@ typedef struct {
struct thread_struct { };
#define INIT_THREAD { }
-/* Return saved PC of a blocked thread. */
-struct task_struct;
-extern unsigned long thread_saved_pc(struct task_struct *);
-
/* Do necessary setup to start up a newly executed thread. */
struct pt_regs;
extern void start_thread(struct pt_regs *, unsigned long, unsigned long);
/* Free all resources held by a thread. */
+struct task_struct;
extern void release_thread(struct task_struct *);
unsigned long get_wchan(struct task_struct *p);
diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index 8c20c5e35432..807d7b9a1860 100644
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -39,9 +39,6 @@ struct thread_info {
.preempt_count = INIT_PREEMPT_COUNT, \
}
-#define init_thread_info (init_thread_union.thread_info)
-#define init_stack (init_thread_union.stack)
-
/* How to get the thread information struct from C. */
register struct thread_info *__current_thread_info __asm__("$8");
#define current_thread_info() __current_thread_info
diff --git a/arch/alpha/include/uapi/asm/Kbuild b/arch/alpha/include/uapi/asm/Kbuild
index 14a2e9af97e9..9afaba5e5503 100644
--- a/arch/alpha/include/uapi/asm/Kbuild
+++ b/arch/alpha/include/uapi/asm/Kbuild
@@ -2,3 +2,4 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += bpf_perf_event.h
+generic-y += poll.h
diff --git a/arch/alpha/include/uapi/asm/poll.h b/arch/alpha/include/uapi/asm/poll.h
deleted file mode 100644
index b7132a305a47..000000000000
--- a/arch/alpha/include/uapi/asm/poll.h
+++ /dev/null
@@ -1,2 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#include <asm-generic/poll.h>
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index 05e0398a83a6..de6c8360fbe3 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -110,7 +110,11 @@ struct ktermios {
#define VTDLY 00200000
#define VT0 00000000
#define VT1 00200000
-#define XTABS 01000000 /* Hmm.. Linux/i386 considers this part of TABDLY.. */
+/*
+ * Should be equivalent to TAB3, see description of TAB3 in
+ * POSIX.1-2008, Ch. 11.2.3 "Output Modes"
+ */
+#define XTABS TAB3
/* c_cflag bit meaning */
#define CBAUD 0000037
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index ce3a675c0c4b..fa1a392ca9a2 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -950,22 +950,31 @@ struct itimerval32
};
static inline long
-get_tv32(struct timeval *o, struct timeval32 __user *i)
+get_tv32(struct timespec64 *o, struct timeval32 __user *i)
{
struct timeval32 tv;
if (copy_from_user(&tv, i, sizeof(struct timeval32)))
return -EFAULT;
o->tv_sec = tv.tv_sec;
- o->tv_usec = tv.tv_usec;
+ o->tv_nsec = tv.tv_usec * NSEC_PER_USEC;
return 0;
}
static inline long
-put_tv32(struct timeval32 __user *o, struct timeval *i)
+put_tv32(struct timeval32 __user *o, struct timespec64 *i)
{
return copy_to_user(o, &(struct timeval32){
- .tv_sec = o->tv_sec,
- .tv_usec = o->tv_usec},
+ .tv_sec = i->tv_sec,
+ .tv_usec = i->tv_nsec / NSEC_PER_USEC},
+ sizeof(struct timeval32));
+}
+
+static inline long
+put_tv_to_tv32(struct timeval32 __user *o, struct timeval *i)
+{
+ return copy_to_user(o, &(struct timeval32){
+ .tv_sec = i->tv_sec,
+ .tv_usec = i->tv_usec},
sizeof(struct timeval32));
}
@@ -1004,9 +1013,10 @@ SYSCALL_DEFINE2(osf_gettimeofday, struct timeval32 __user *, tv,
struct timezone __user *, tz)
{
if (tv) {
- struct timeval ktv;
- do_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
+ struct timespec64 kts;
+
+ ktime_get_real_ts64(&kts);
+ if (put_tv32(tv, &kts))
return -EFAULT;
}
if (tz) {
@@ -1019,22 +1029,19 @@ SYSCALL_DEFINE2(osf_gettimeofday, struct timeval32 __user *, tv,
SYSCALL_DEFINE2(osf_settimeofday, struct timeval32 __user *, tv,
struct timezone __user *, tz)
{
- struct timespec64 kts64;
- struct timespec kts;
+ struct timespec64 kts;
struct timezone ktz;
if (tv) {
- if (get_tv32((struct timeval *)&kts, tv))
+ if (get_tv32(&kts, tv))
return -EFAULT;
- kts.tv_nsec *= 1000;
- kts64 = timespec_to_timespec64(kts);
}
if (tz) {
if (copy_from_user(&ktz, tz, sizeof(*tz)))
return -EFAULT;
}
- return do_sys_settimeofday64(tv ? &kts64 : NULL, tz ? &ktz : NULL);
+ return do_sys_settimeofday64(tv ? &kts : NULL, tz ? &ktz : NULL);
}
asmlinkage long sys_ni_posix_timers(void);
@@ -1083,22 +1090,16 @@ SYSCALL_DEFINE3(osf_setitimer, int, which, struct itimerval32 __user *, in,
SYSCALL_DEFINE2(osf_utimes, const char __user *, filename,
struct timeval32 __user *, tvs)
{
- struct timespec tv[2];
+ struct timespec64 tv[2];
if (tvs) {
- struct timeval ktvs[2];
- if (get_tv32(&ktvs[0], &tvs[0]) ||
- get_tv32(&ktvs[1], &tvs[1]))
+ if (get_tv32(&tv[0], &tvs[0]) ||
+ get_tv32(&tv[1], &tvs[1]))
return -EFAULT;
- if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 ||
- ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000)
+ if (tv[0].tv_nsec < 0 || tv[0].tv_nsec >= 1000000000 ||
+ tv[1].tv_nsec < 0 || tv[1].tv_nsec >= 1000000000)
return -EINVAL;
-
- tv[0].tv_sec = ktvs[0].tv_sec;
- tv[0].tv_nsec = 1000 * ktvs[0].tv_usec;
- tv[1].tv_sec = ktvs[1].tv_sec;
- tv[1].tv_nsec = 1000 * ktvs[1].tv_usec;
}
return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0);
@@ -1107,19 +1108,18 @@ SYSCALL_DEFINE2(osf_utimes, const char __user *, filename,
SYSCALL_DEFINE5(osf_select, int, n, fd_set __user *, inp, fd_set __user *, outp,
fd_set __user *, exp, struct timeval32 __user *, tvp)
{
- struct timespec end_time, *to = NULL;
+ struct timespec64 end_time, *to = NULL;
if (tvp) {
- struct timeval tv;
+ struct timespec64 tv;
to = &end_time;
if (get_tv32(&tv, tvp))
return -EFAULT;
- if (tv.tv_sec < 0 || tv.tv_usec < 0)
+ if (tv.tv_sec < 0 || tv.tv_nsec < 0)
return -EINVAL;
- if (poll_select_set_timeout(to, tv.tv_sec,
- tv.tv_usec * NSEC_PER_USEC))
+ if (poll_select_set_timeout(to, tv.tv_sec, tv.tv_nsec))
return -EINVAL;
}
@@ -1192,9 +1192,9 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
return -EFAULT;
if (!ur)
return err;
- if (put_tv32(&ur->ru_utime, &r.ru_utime))
+ if (put_tv_to_tv32(&ur->ru_utime, &r.ru_utime))
return -EFAULT;
- if (put_tv32(&ur->ru_stime, &r.ru_stime))
+ if (put_tv_to_tv32(&ur->ru_stime, &r.ru_stime))
return -EFAULT;
if (copy_to_user(&ur->ru_maxrss, &r.ru_maxrss,
sizeof(struct rusage32) - offsetof(struct rusage32, ru_maxrss)))
@@ -1210,18 +1210,18 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
SYSCALL_DEFINE2(osf_usleep_thread, struct timeval32 __user *, sleep,
struct timeval32 __user *, remain)
{
- struct timeval tmp;
+ struct timespec64 tmp;
unsigned long ticks;
if (get_tv32(&tmp, sleep))
goto fault;
- ticks = timeval_to_jiffies(&tmp);
+ ticks = timespec64_to_jiffies(&tmp);
ticks = schedule_timeout_interruptible(ticks);
if (remain) {
- jiffies_to_timeval(ticks, &tmp);
+ jiffies_to_timespec64(ticks, &tmp);
if (put_tv32(remain, &tmp))
goto fault;
}
@@ -1280,7 +1280,7 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
if (copy_to_user(txc_p, &txc, offsetof(struct timex32, time)) ||
(copy_to_user(&txc_p->tick, &txc.tick, sizeof(struct timex32) -
offsetof(struct timex32, tick))) ||
- (put_tv32(&txc_p->time, &txc.time)))
+ (put_tv_to_tv32(&txc_p->time, &txc.time)))
return -EFAULT;
return ret;
diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h
index 2e4cb74fdc41..18043af45e2b 100644
--- a/arch/alpha/kernel/pci_impl.h
+++ b/arch/alpha/kernel/pci_impl.h
@@ -144,7 +144,8 @@ struct pci_iommu_arena
};
#if defined(CONFIG_ALPHA_SRM) && \
- (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA))
+ (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA) || \
+ defined(CONFIG_ALPHA_AVANTI))
# define NEED_SRM_SAVE_RESTORE
#else
# undef NEED_SRM_SAVE_RESTORE
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 74bfb1f2d68e..48b81d015d8a 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -269,12 +269,13 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
application calling fork. */
if (clone_flags & CLONE_SETTLS)
childti->pcb.unique = regs->r20;
+ else
+ regs->r20 = 0; /* OSF/1 has some strange fork() semantics. */
childti->pcb.usp = usp ?: rdusp();
*childregs = *regs;
childregs->r0 = 0;
childregs->r19 = 0;
childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */
- regs->r20 = 0;
stack = ((struct switch_stack *) regs) - 1;
*childstack = *stack;
childstack->r26 = (unsigned long) ret_from_fork;
@@ -361,7 +362,7 @@ EXPORT_SYMBOL(dump_elf_task_fp);
* all. -- r~
*/
-unsigned long
+static unsigned long
thread_saved_pc(struct task_struct *t)
{
unsigned long base = (unsigned long)task_stack_page(t);
diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c
index 37bd6d9b8eb9..a6bdc1da47ad 100644
--- a/arch/alpha/kernel/sys_sio.c
+++ b/arch/alpha/kernel/sys_sio.c
@@ -102,6 +102,15 @@ sio_pci_route(void)
alpha_mv.sys.sio.route_tab);
}
+static bool sio_pci_dev_irq_needs_level(const struct pci_dev *dev)
+{
+ if ((dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) &&
+ (dev->class >> 8 != PCI_CLASS_BRIDGE_PCMCIA))
+ return false;
+
+ return true;
+}
+
static unsigned int __init
sio_collect_irq_levels(void)
{
@@ -110,8 +119,7 @@ sio_collect_irq_levels(void)
/* Iterate through the devices, collecting IRQ levels. */
for_each_pci_dev(dev) {
- if ((dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) &&
- (dev->class >> 8 != PCI_CLASS_BRIDGE_PCMCIA))
+ if (!sio_pci_dev_irq_needs_level(dev))
continue;
if (dev->irq)
@@ -120,8 +128,7 @@ sio_collect_irq_levels(void)
return level_bits;
}
-static void __init
-sio_fixup_irq_levels(unsigned int level_bits)
+static void __sio_fixup_irq_levels(unsigned int level_bits, bool reset)
{
unsigned int old_level_bits;
@@ -139,12 +146,21 @@ sio_fixup_irq_levels(unsigned int level_bits)
*/
old_level_bits = inb(0x4d0) | (inb(0x4d1) << 8);
- level_bits |= (old_level_bits & 0x71ff);
+ if (reset)
+ old_level_bits &= 0x71ff;
+
+ level_bits |= old_level_bits;
outb((level_bits >> 0) & 0xff, 0x4d0);
outb((level_bits >> 8) & 0xff, 0x4d1);
}
+static inline void
+sio_fixup_irq_levels(unsigned int level_bits)
+{
+ __sio_fixup_irq_levels(level_bits, true);
+}
+
static inline int
noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
@@ -181,7 +197,14 @@ noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
const long min_idsel = 6, max_idsel = 14, irqs_per_slot = 5;
int irq = COMMON_TABLE_LOOKUP, tmp;
tmp = __kernel_extbl(alpha_mv.sys.sio.route_tab, irq);
- return irq >= 0 ? tmp : -1;
+
+ irq = irq >= 0 ? tmp : -1;
+
+ /* Fixup IRQ level if an actual IRQ mapping is detected */
+ if (sio_pci_dev_irq_needs_level(dev) && irq >= 0)
+ __sio_fixup_irq_levels(1 << irq, false);
+
+ return irq;
}
static inline int
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 4bd99a7b1c41..f43bd05dede2 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -160,11 +160,16 @@ void show_stack(struct task_struct *task, unsigned long *sp)
for(i=0; i < kstack_depth_to_print; i++) {
if (((long) stack & (THREAD_SIZE-1)) == 0)
break;
- if (i && ((i % 4) == 0))
- printk("\n ");
- printk("%016lx ", *stack++);
+ if ((i % 4) == 0) {
+ if (i)
+ pr_cont("\n");
+ printk(" ");
+ } else {
+ pr_cont(" ");
+ }
+ pr_cont("%016lx", *stack++);
}
- printk("\n");
+ pr_cont("\n");
dik_show_trace(sp);
}
diff --git a/arch/alpha/lib/ev6-memset.S b/arch/alpha/lib/ev6-memset.S
index 316a99aa9efe..1cfcfbbea6f0 100644
--- a/arch/alpha/lib/ev6-memset.S
+++ b/arch/alpha/lib/ev6-memset.S
@@ -18,7 +18,7 @@
* The algorithm for the leading and trailing quadwords remains the same,
* however the loop has been unrolled to enable better memory throughput,
* and the code has been replicated for each of the entry points: __memset
- * and __memsetw to permit better scheduling to eliminate the stalling
+ * and __memset16 to permit better scheduling to eliminate the stalling
* encountered during the mask replication.
* A future enhancement might be to put in a byte store loop for really
* small (say < 32 bytes) memset()s. Whether or not that change would be
@@ -34,7 +34,7 @@
.globl memset
.globl __memset
.globl ___memset
- .globl __memsetw
+ .globl __memset16
.globl __constant_c_memset
.ent ___memset
@@ -415,9 +415,9 @@ end:
* to mask stalls. Note that entry point names also had to change
*/
.align 5
- .ent __memsetw
+ .ent __memset16
-__memsetw:
+__memset16:
.frame $30,0,$26,0
.prologue 0
@@ -596,8 +596,8 @@ end_w:
nop
ret $31,($26),1 # L0 :
- .end __memsetw
- EXPORT_SYMBOL(__memsetw)
+ .end __memset16
+ EXPORT_SYMBOL(__memset16)
memset = ___memset
__memset = ___memset
generated by cgit (git 2.34.1) at 2024-07-02 12:40:11 +0000