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-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/include/asm/assembly.h2
-rw-r--r--arch/parisc/include/asm/uaccess.h7
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h8
-rw-r--r--arch/parisc/kernel/sys_parisc.c10
-rw-r--r--arch/parisc/kernel/syscall_table.S6
-rw-r--r--arch/parisc/kernel/traps.c5
-rw-r--r--arch/parisc/mm/fault.c9
-rw-r--r--include/linux/sched.h8
-rw-r--r--lib/Kconfig.debug2
-rw-r--r--scripts/sortextable.c1
11 files changed, 28 insertions, 31 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 14f655cf542e..989fa14147a9 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -11,6 +11,7 @@ config PARISC
select RTC_DRV_GENERIC
select INIT_ALL_POSSIBLE
select BUG
+ select BUILDTIME_EXTABLE_SORT
select HAVE_PERF_EVENTS
select GENERIC_ATOMIC64 if !64BIT
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h
index b3069fd83468..60e6f07b7e32 100644
--- a/arch/parisc/include/asm/assembly.h
+++ b/arch/parisc/include/asm/assembly.h
@@ -523,7 +523,7 @@
*/
#define ASM_EXCEPTIONTABLE_ENTRY(fault_addr, except_addr) \
.section __ex_table,"aw" ! \
- ASM_ULONG_INSN fault_addr, except_addr ! \
+ .word (fault_addr - .), (except_addr - .) ! \
.previous
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 0abdd4c607ed..d4dd6e58682c 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -60,14 +60,15 @@ static inline long access_ok(int type, const void __user * addr,
* use a 32bit (unsigned int) address here.
*/
+#define ARCH_HAS_RELATIVE_EXTABLE
struct exception_table_entry {
- unsigned long insn; /* address of insn that is allowed to fault. */
- unsigned long fixup; /* fixup routine */
+ int insn; /* relative address of insn that is allowed to fault. */
+ int fixup; /* relative address of fixup routine */
};
#define ASM_EXCEPTIONTABLE_ENTRY( fault_addr, except_addr )\
".section __ex_table,\"aw\"\n" \
- ASM_WORD_INSN #fault_addr ", " #except_addr "\n\t" \
+ ".word (" #fault_addr " - .), (" #except_addr " - .)\n\t" \
".previous\n"
/*
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index b75039f92116..cc0ce92c93c7 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -235,8 +235,8 @@
#define __NR_io_getevents (__NR_Linux + 217)
#define __NR_io_submit (__NR_Linux + 218)
#define __NR_io_cancel (__NR_Linux + 219)
-#define __NR_alloc_hugepages (__NR_Linux + 220)
-#define __NR_free_hugepages (__NR_Linux + 221)
+#define __NR_alloc_hugepages (__NR_Linux + 220) /* not used */
+#define __NR_free_hugepages (__NR_Linux + 221) /* not used */
#define __NR_exit_group (__NR_Linux + 222)
#define __NR_lookup_dcookie (__NR_Linux + 223)
#define __NR_epoll_create (__NR_Linux + 224)
@@ -362,8 +362,10 @@
#define __NR_userfaultfd (__NR_Linux + 344)
#define __NR_mlock2 (__NR_Linux + 345)
#define __NR_copy_file_range (__NR_Linux + 346)
+#define __NR_preadv2 (__NR_Linux + 347)
+#define __NR_pwritev2 (__NR_Linux + 348)
-#define __NR_Linux_syscalls (__NR_copy_file_range + 1)
+#define __NR_Linux_syscalls (__NR_pwritev2 + 1)
#define __IGNORE_select /* newselect */
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 5aba01ac457f..0a393a04e891 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -368,16 +368,6 @@ asmlinkage long parisc_fallocate(int fd, int mode, u32 offhi, u32 offlo,
((u64)lenhi << 32) | lenlo);
}
-asmlinkage unsigned long sys_alloc_hugepages(int key, unsigned long addr, unsigned long len, int prot, int flag)
-{
- return -ENOMEM;
-}
-
-asmlinkage int sys_free_hugepages(unsigned long addr)
-{
- return -EINVAL;
-}
-
long parisc_personality(unsigned long personality)
{
long err;
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 585d50fc75c0..3cfef1de8061 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -315,8 +315,8 @@
ENTRY_COMP(io_getevents)
ENTRY_COMP(io_submit)
ENTRY_SAME(io_cancel)
- ENTRY_SAME(alloc_hugepages) /* 220 */
- ENTRY_SAME(free_hugepages)
+ ENTRY_SAME(ni_syscall) /* 220: was alloc_hugepages */
+ ENTRY_SAME(ni_syscall) /* was free_hugepages */
ENTRY_SAME(exit_group)
ENTRY_COMP(lookup_dcookie)
ENTRY_SAME(epoll_create)
@@ -442,6 +442,8 @@
ENTRY_SAME(userfaultfd)
ENTRY_SAME(mlock2) /* 345 */
ENTRY_SAME(copy_file_range)
+ ENTRY_COMP(preadv2)
+ ENTRY_COMP(pwritev2)
.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 553b09855cfd..16e0735e2f46 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -284,11 +284,8 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err)
if (in_interrupt())
panic("Fatal exception in interrupt");
- if (panic_on_oops) {
- printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
- ssleep(5);
+ if (panic_on_oops)
panic("Fatal exception");
- }
oops_exit();
do_exit(SIGSEGV);
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index a762864ec92e..26fac9c671c9 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -140,12 +140,6 @@ int fixup_exception(struct pt_regs *regs)
{
const struct exception_table_entry *fix;
- /* If we only stored 32bit addresses in the exception table we can drop
- * out if we faulted on a 64bit address. */
- if ((sizeof(regs->iaoq[0]) > sizeof(fix->insn))
- && (regs->iaoq[0] >> 32))
- return 0;
-
fix = search_exception_tables(regs->iaoq[0]);
if (fix) {
struct exception_data *d;
@@ -154,7 +148,8 @@ int fixup_exception(struct pt_regs *regs)
d->fault_space = regs->isr;
d->fault_addr = regs->ior;
- regs->iaoq[0] = ((fix->fixup) & ~3);
+ regs->iaoq[0] = (unsigned long)&fix->fixup + fix->fixup;
+ regs->iaoq[0] &= ~3;
/*
* NOTE: In some cases the faulting instruction
* may be in the delay slot of a branch. We
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 34495d2d2d7b..589c4780b077 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2870,10 +2870,18 @@ static inline unsigned long stack_not_used(struct task_struct *p)
unsigned long *n = end_of_stack(p);
do { /* Skip over canary */
+# ifdef CONFIG_STACK_GROWSUP
+ n--;
+# else
n++;
+# endif
} while (!*n);
+# ifdef CONFIG_STACK_GROWSUP
+ return (unsigned long)end_of_stack(p) - (unsigned long)n;
+# else
return (unsigned long)n - (unsigned long)end_of_stack(p);
+# endif
}
#endif
extern void set_task_stack_end_magic(struct task_struct *tsk);
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 532d4d52d1df..1e9a607534ca 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -558,7 +558,7 @@ config DEBUG_KMEMLEAK_DEFAULT_OFF
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
- depends on DEBUG_KERNEL && !IA64 && !PARISC && !METAG
+ depends on DEBUG_KERNEL && !IA64
help
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T and sysrq-P debug output.
diff --git a/scripts/sortextable.c b/scripts/sortextable.c
index 62a1822e0f41..f453b7ce99d6 100644
--- a/scripts/sortextable.c
+++ b/scripts/sortextable.c
@@ -315,6 +315,7 @@ do_file(char const *const fname)
case EM_S390:
case EM_AARCH64:
+ case EM_PARISC:
custom_sort = sort_relative_table;
break;
case EM_ARCOMPACT:
generated by cgit (git 2.34.1) at 2024-05-20 09:51:25 +0000