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-rw-r--r--arch/parisc/Kconfig3
-rw-r--r--arch/parisc/hpux/fs.c21
-rw-r--r--arch/parisc/hpux/gate.S2
-rw-r--r--arch/parisc/include/asm/Kbuild2
-rw-r--r--arch/parisc/include/asm/compat.h59
-rw-r--r--arch/parisc/include/asm/exec.h6
-rw-r--r--arch/parisc/include/asm/module.h16
-rw-r--r--arch/parisc/include/asm/thread_info.h5
-rw-r--r--arch/parisc/include/uapi/asm/Kbuild3
-rw-r--r--arch/parisc/kernel/cache.c3
-rw-r--r--arch/parisc/kernel/pdc_cons.c1
-rw-r--r--arch/parisc/kernel/process.c7
-rw-r--r--arch/parisc/kernel/signal.c45
-rw-r--r--arch/parisc/kernel/signal32.h52
-rw-r--r--arch/parisc/kernel/sys_parisc32.c4
-rw-r--r--arch/parisc/kernel/syscall.S9
16 files changed, 113 insertions, 125 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 3ff21b536f28..11def45b98c5 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -13,12 +13,15 @@ config PARISC
select HAVE_PERF_EVENTS
select GENERIC_ATOMIC64 if !64BIT
select HAVE_GENERIC_HARDIRQS
+ select BROKEN_RODATA
select GENERIC_IRQ_PROBE
select GENERIC_PCI_IOMAP
select IRQ_PER_CPU
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_SMP_IDLE_THREAD
select GENERIC_STRNCPY_FROM_USER
+ select HAVE_MOD_ARCH_SPECIFIC
+ select MODULES_USE_ELF_RELA
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
index c71eb6c79897..a0760b87fd4e 100644
--- a/arch/parisc/hpux/fs.c
+++ b/arch/parisc/hpux/fs.c
@@ -34,14 +34,14 @@
int hpux_execve(struct pt_regs *regs)
{
int error;
- char *filename;
+ struct filename *filename;
filename = getname((const char __user *) regs->gr[26]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = do_execve(filename,
+ error = do_execve(filename->name,
(const char __user *const __user *) regs->gr[25],
(const char __user *const __user *) regs->gr[24],
regs);
@@ -109,33 +109,32 @@ Efault:
int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count)
{
- struct file * file;
+ struct fd arg;
struct hpux_dirent __user * lastdirent;
struct getdents_callback buf;
- int error = -EBADF;
+ int error;
- file = fget(fd);
- if (!file)
- goto out;
+ arg = fdget(fd);
+ if (!arg.file)
+ return -EBADF;
buf.current_dir = dirent;
buf.previous = NULL;
buf.count = count;
buf.error = 0;
- error = vfs_readdir(file, filldir, &buf);
+ error = vfs_readdir(arg.file, filldir, &buf);
if (error >= 0)
error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
- if (put_user(file->f_pos, &lastdirent->d_off))
+ if (put_user(arg.file->f_pos, &lastdirent->d_off))
error = -EFAULT;
else
error = count - buf.count;
}
- fput(file);
-out:
+ fdput(arg);
return error;
}
diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S
index 38a1c1b8d4e8..011468857e98 100644
--- a/arch/parisc/hpux/gate.S
+++ b/arch/parisc/hpux/gate.S
@@ -71,7 +71,7 @@ ENTRY(hpux_gateway_page)
STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */
STREG %r27, TASK_PT_GR27(%r1) /* user dp */
STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */
- STREG %r28, TASK_PT_ORIG_R28(%r1) /* return value 0 (saved for signals) */
+ STREG %r0, TASK_PT_ORIG_R28(%r1) /* don't prohibit restarts */
STREG %r29, TASK_PT_GR29(%r1) /* 8th argument */
STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index 4383707d9801..458371a1565a 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -1,4 +1,6 @@
include include/asm-generic/Kbuild.asm
header-y += pdc.h
+generic-y += clkdev.h
generic-y += word-at-a-time.h
+generic-y += exec.h
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 760f331d4fa3..db7a662691a8 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -36,6 +36,7 @@ typedef s64 compat_s64;
typedef u32 compat_uint_t;
typedef u32 compat_ulong_t;
typedef u64 compat_u64;
+typedef u32 compat_uptr_t;
struct compat_timespec {
compat_time_t tv_sec;
@@ -127,6 +128,63 @@ typedef u32 compat_old_sigset_t; /* at least 32 bits */
typedef u32 compat_sigset_word;
+typedef union compat_sigval {
+ compat_int_t sival_int;
+ compat_uptr_t sival_ptr;
+} compat_sigval_t;
+
+typedef struct compat_siginfo {
+ int si_signo;
+ int si_errno;
+ int si_code;
+
+ union {
+ int _pad[128/sizeof(int) - 3];
+
+ /* kill() */
+ struct {
+ unsigned int _pid; /* sender's pid */
+ unsigned int _uid; /* sender's uid */
+ } _kill;
+
+ /* POSIX.1b timers */
+ struct {
+ compat_timer_t _tid; /* timer id */
+ int _overrun; /* overrun count */
+ char _pad[sizeof(unsigned int) - sizeof(int)];
+ compat_sigval_t _sigval; /* same as below */
+ int _sys_private; /* not to be passed to user */
+ } _timer;
+
+ /* POSIX.1b signals */
+ struct {
+ unsigned int _pid; /* sender's pid */
+ unsigned int _uid; /* sender's uid */
+ compat_sigval_t _sigval;
+ } _rt;
+
+ /* SIGCHLD */
+ struct {
+ unsigned int _pid; /* which child */
+ unsigned int _uid; /* sender's uid */
+ int _status; /* exit code */
+ compat_clock_t _utime;
+ compat_clock_t _stime;
+ } _sigchld;
+
+ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+ struct {
+ unsigned int _addr; /* faulting insn/memory ref. */
+ } _sigfault;
+
+ /* SIGPOLL */
+ struct {
+ int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
+ int _fd;
+ } _sigpoll;
+ } _sifields;
+} compat_siginfo_t;
+
#define COMPAT_OFF_T_MAX 0x7fffffff
#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
@@ -136,7 +194,6 @@ typedef u32 compat_sigset_word;
* as pointers because the syscall entry code will have
* appropriately converted them already.
*/
-typedef u32 compat_uptr_t;
static inline void __user *compat_ptr(compat_uptr_t uptr)
{
diff --git a/arch/parisc/include/asm/exec.h b/arch/parisc/include/asm/exec.h
deleted file mode 100644
index 6bb5af75b17a..000000000000
--- a/arch/parisc/include/asm/exec.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __PARISC_EXEC_H
-#define __PARISC_EXEC_H
-
-#define arch_align_stack(x) (x)
-
-#endif /* __PARISC_EXEC_H */
diff --git a/arch/parisc/include/asm/module.h b/arch/parisc/include/asm/module.h
index 1f4123427ea0..bab37e99168a 100644
--- a/arch/parisc/include/asm/module.h
+++ b/arch/parisc/include/asm/module.h
@@ -1,21 +1,11 @@
#ifndef _ASM_PARISC_MODULE_H
#define _ASM_PARISC_MODULE_H
+
+#include <asm-generic/module.h>
+
/*
* This file contains the parisc architecture specific module code.
*/
-#ifdef CONFIG_64BIT
-#define Elf_Shdr Elf64_Shdr
-#define Elf_Sym Elf64_Sym
-#define Elf_Ehdr Elf64_Ehdr
-#define Elf_Addr Elf64_Addr
-#define Elf_Rela Elf64_Rela
-#else
-#define Elf_Shdr Elf32_Shdr
-#define Elf_Sym Elf32_Sym
-#define Elf_Ehdr Elf32_Ehdr
-#define Elf_Addr Elf32_Addr
-#define Elf_Rela Elf32_Rela
-#endif
struct unwind_table;
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 22b4726dee49..d1fb79a36f3d 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -68,13 +68,16 @@ struct thread_info {
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_32BIT (1 << TIF_32BIT)
-#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
#define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP)
#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \
_TIF_NEED_RESCHED)
+#define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
+ _TIF_BLOCKSTEP)
+
+#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
#endif /* __KERNEL__ */
diff --git a/arch/parisc/include/uapi/asm/Kbuild b/arch/parisc/include/uapi/asm/Kbuild
new file mode 100644
index 000000000000..baebb3da1d44
--- /dev/null
+++ b/arch/parisc/include/uapi/asm/Kbuild
@@ -0,0 +1,3 @@
+# UAPI Header export list
+include include/uapi/asm-generic/Kbuild.asm
+
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 9d181890a7e3..48e16dc20102 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -276,7 +276,6 @@ void flush_dcache_page(struct page *page)
{
struct address_space *mapping = page_mapping(page);
struct vm_area_struct *mpnt;
- struct prio_tree_iter iter;
unsigned long offset;
unsigned long addr, old_addr = 0;
pgoff_t pgoff;
@@ -299,7 +298,7 @@ void flush_dcache_page(struct page *page)
* to flush one address here for them all to become coherent */
flush_dcache_mmap_lock(mapping);
- vma_prio_tree_foreach(mpnt, &iter, &mapping->i_mmap, pgoff, pgoff) {
+ vma_interval_tree_foreach(mpnt, &mapping->i_mmap, pgoff, pgoff) {
offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT;
addr = mpnt->vm_start + offset;
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 47341aa208f2..88238638aee6 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -202,6 +202,7 @@ static int __init pdc_console_tty_driver_init(void)
pdc_console_tty_driver->flags = TTY_DRIVER_REAL_RAW |
TTY_DRIVER_RESET_TERMIOS;
tty_set_operations(pdc_console_tty_driver, &pdc_console_tty_ops);
+ tty_port_link_device(&tty_port, pdc_console_tty_driver, 0);
err = tty_register_driver(pdc_console_tty_driver);
if (err) {
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 2c05a9292a81..cbc37216bf90 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -48,6 +48,7 @@
#include <linux/unistd.h>
#include <linux/kallsyms.h>
#include <linux/uaccess.h>
+#include <linux/rcupdate.h>
#include <asm/io.h>
#include <asm/asm-offsets.h>
@@ -69,8 +70,10 @@ void cpu_idle(void)
/* endless idle loop with no priority at all */
while (1) {
+ rcu_idle_enter();
while (!need_resched())
barrier();
+ rcu_idle_exit();
schedule_preempt_disabled();
check_pgt_cache();
}
@@ -339,13 +342,13 @@ unsigned long thread_saved_pc(struct task_struct *t)
asmlinkage int sys_execve(struct pt_regs *regs)
{
int error;
- char *filename;
+ struct filename *filename;
filename = getname((const char __user *) regs->gr[26]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = do_execve(filename,
+ error = do_execve(filename->name,
(const char __user *const __user *) regs->gr[25],
(const char __user *const __user *) regs->gr[24],
regs);
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 594459bde14e..537996955998 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -113,6 +113,8 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
(usp - sigframe_size);
DBG(2,"sys_rt_sigreturn: frame is %p\n", frame);
+ regs->orig_r28 = 1; /* no restarts for sigreturn */
+
#ifdef CONFIG_64BIT
compat_frame = (struct compat_rt_sigframe __user *)frame;
@@ -437,7 +439,7 @@ give_sigsegv:
* OK, we're invoking a handler.
*/
-static long
+static void
handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
struct pt_regs *regs, int in_syscall)
{
@@ -447,7 +449,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
/* Set up the stack frame */
if (!setup_rt_frame(sig, ka, info, oldset, regs, in_syscall))
- return 0;
+ return;
signal_delivered(sig, info, ka, regs,
test_thread_flag(TIF_SINGLESTEP) ||
@@ -455,13 +457,14 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n",
regs->gr[28]);
-
- return 1;
}
static inline void
syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
{
+ if (regs->orig_r28)
+ return;
+ regs->orig_r28 = 1; /* no more restarts */
/* Check the return code */
switch (regs->gr[28]) {
case -ERESTART_RESTARTBLOCK:
@@ -482,8 +485,6 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
* we have to do is fiddle the return pointer.
*/
regs->gr[31] -= 8; /* delayed branching */
- /* Preserve original r28. */
- regs->gr[28] = regs->orig_r28;
break;
}
}
@@ -491,6 +492,9 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
static inline void
insert_restart_trampoline(struct pt_regs *regs)
{
+ if (regs->orig_r28)
+ return;
+ regs->orig_r28 = 1; /* no more restarts */
switch(regs->gr[28]) {
case -ERESTART_RESTARTBLOCK: {
/* Restart the system call - no handlers present */
@@ -525,9 +529,6 @@ insert_restart_trampoline(struct pt_regs *regs)
flush_user_icache_range(regs->gr[30], regs->gr[30] + 4);
regs->gr[31] = regs->gr[30] + 8;
- /* Preserve original r28. */
- regs->gr[28] = regs->orig_r28;
-
return;
}
case -ERESTARTNOHAND:
@@ -539,9 +540,6 @@ insert_restart_trampoline(struct pt_regs *regs)
* slot of the branch external instruction.
*/
regs->gr[31] -= 8;
- /* Preserve original r28. */
- regs->gr[28] = regs->orig_r28;
-
return;
}
default:
@@ -570,30 +568,17 @@ do_signal(struct pt_regs *regs, long in_syscall)
DBG(1,"\ndo_signal: regs=0x%p, sr7 %#lx, in_syscall=%d\n",
regs, regs->sr[7], in_syscall);
- /* Everyone else checks to see if they are in kernel mode at
- this point and exits if that's the case. I'm not sure why
- we would be called in that case, but for some reason we
- are. */
-
- /* May need to force signal if handle_signal failed to deliver */
- while (1) {
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
- DBG(3,"do_signal: signr = %d, regs->gr[28] = %ld\n", signr, regs->gr[28]);
+ signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+ DBG(3,"do_signal: signr = %d, regs->gr[28] = %ld\n", signr, regs->gr[28]);
- if (signr <= 0)
- break;
-
+ if (signr > 0) {
/* Restart a system call if necessary. */
if (in_syscall)
syscall_restart(regs, &ka);
- /* 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, &info, &ka, regs, in_syscall))
- return;
+ handle_signal(signr, &info, &ka, regs, in_syscall);
+ return;
}
- /* end of while(1) looping forever if we can't force a signal */
/* Did we come from a system call? */
if (in_syscall)
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index c7800846422c..08a88b5349a2 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -55,58 +55,6 @@ struct k_sigaction32 {
struct compat_sigaction sa;
};
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[((128/sizeof(int)) - 3)];
-
- /* kill() */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- char _pad[sizeof(unsigned int) - sizeof(int)];
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- unsigned int _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- unsigned int _addr; /* faulting insn/memory ref. */
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
- } _sifields;
-} compat_siginfo_t;
-
int copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from);
int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index dc9a62462323..bf5b93a885d3 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -60,14 +60,14 @@
asmlinkage int sys32_execve(struct pt_regs *regs)
{
int error;
- char *filename;
+ struct filename *filename;
DBG(("sys32_execve(%p) r26 = 0x%lx\n", regs, regs->gr[26]));
filename = getname((const char __user *) regs->gr[26]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = compat_do_execve(filename, compat_ptr(regs->gr[25]),
+ error = compat_do_execve(filename->name, compat_ptr(regs->gr[25]),
compat_ptr(regs->gr[24]), regs);
putname(filename);
out:
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 82a52b2fb13f..86742df0b194 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -156,7 +156,7 @@ linux_gateway_entry:
STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */
STREG %r27, TASK_PT_GR27(%r1) /* user dp */
STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */
- STREG %r28, TASK_PT_ORIG_R28(%r1) /* return value 0 (saved for signals) */
+ STREG %r0, TASK_PT_ORIG_R28(%r1) /* don't prohibit restarts */
STREG %r29, TASK_PT_GR29(%r1) /* return value 1 */
STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */
@@ -180,9 +180,10 @@ linux_gateway_entry:
/* Are we being ptraced? */
mfctl %cr30, %r1
- LDREG TI_TASK(%r1),%r1
- ldw TASK_PTRACE(%r1), %r1
- bb,<,n %r1,31,.Ltracesys
+ LDREG TI_FLAGS(%r1),%r1
+ ldi _TIF_SYSCALL_TRACE_MASK, %r19
+ and,COND(=) %r1, %r19, %r0
+ b,n .Ltracesys
/* Note! We cannot use the syscall table that is mapped
nearby since the gateway page is mapped execute-only. */
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-06 21:41:25 +0000