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-rw-r--r--arch/sh/Kconfig5
-rw-r--r--arch/sh/include/asm/syscalls_32.h6
-rw-r--r--arch/sh/include/asm/unistd.h2
-rw-r--r--arch/sh/include/uapi/asm/signal.h2
-rw-r--r--arch/sh/kernel/kprobes.c6
-rw-r--r--arch/sh/kernel/signal_32.c63
-rw-r--r--arch/sh/kernel/signal_64.c62
-rw-r--r--arch/sh/kernel/traps.c2
-rw-r--r--arch/sh/mm/alignment.c2
-rw-r--r--arch/sh/mm/init.c17
10 files changed, 30 insertions, 137 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 479146c180cb..5e859633ce69 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -39,6 +39,8 @@ config SUPERH
select GENERIC_STRNLEN_USER
select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
select MODULES_USE_ELF_RELA
+ select OLD_SIGSUSPEND
+ select OLD_SIGACTION
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
@@ -146,9 +148,6 @@ config ARCH_HAS_ILOG2_U32
config ARCH_HAS_ILOG2_U64
def_bool n
-config ARCH_NO_VIRT_TO_BUS
- def_bool y
-
config ARCH_HAS_DEFAULT_IDLE
def_bool y
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index cc25485996bb..4f97df87d7d5 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -9,12 +9,6 @@
struct pt_regs;
-asmlinkage int sys_sigsuspend(old_sigset_t mask);
-asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *oact);
-asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs);
asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
struct pt_regs __regs);
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index 012004ed3330..5e90fa2b7eed 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -4,7 +4,6 @@
# include <asm/unistd_64.h>
# endif
-# define __ARCH_WANT_SYS_RT_SIGSUSPEND
# define __ARCH_WANT_OLD_READDIR
# define __ARCH_WANT_OLD_STAT
# define __ARCH_WANT_STAT64
@@ -27,7 +26,6 @@
# define __ARCH_WANT_SYS_OLDUMOUNT
# define __ARCH_WANT_SYS_SIGPENDING
# define __ARCH_WANT_SYS_SIGPROCMASK
-# define __ARCH_WANT_SYS_RT_SIGACTION
# define __ARCH_WANT_SYS_FORK
# define __ARCH_WANT_SYS_VFORK
# define __ARCH_WANT_SYS_CLONE
diff --git a/arch/sh/include/uapi/asm/signal.h b/arch/sh/include/uapi/asm/signal.h
index 9ac530a90bce..cb96d02f55a4 100644
--- a/arch/sh/include/uapi/asm/signal.h
+++ b/arch/sh/include/uapi/asm/signal.h
@@ -5,11 +5,13 @@
#include <asm-generic/signal.h>
+#ifndef __KERNEL__
struct old_sigaction {
__sighandler_t sa_handler;
old_sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer)(void);
};
+#endif
#endif /* __ASM_SH_SIGNAL_H */
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 1208b09e95c3..42b46e61a2d5 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -310,7 +310,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
{
struct kretprobe_instance *ri = NULL;
struct hlist_head *head, empty_rp;
- struct hlist_node *node, *tmp;
+ struct hlist_node *tmp;
unsigned long flags, orig_ret_address = 0;
unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
@@ -330,7 +330,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
* real return address, and all the rest will point to
* kretprobe_trampoline
*/
- hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
+ hlist_for_each_entry_safe(ri, tmp, head, hlist) {
if (ri->task != current)
/* another task is sharing our hash bucket */
continue;
@@ -360,7 +360,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
preempt_enable_no_resched();
- hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {
+ hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
hlist_del(&ri->hlist);
kfree(ri);
}
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 2f1f65356c0c..6af6e7c5cac8 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -47,60 +47,6 @@ struct fdpic_func_descriptor {
#define UNWINDGUARD 64
/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int
-sys_sigsuspend(old_sigset_t mask)
-{
- sigset_t blocked;
- siginitset(&blocked, mask);
- return sigsuspend(&blocked);
-}
-
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
- if (act) {
- old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
- __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
- __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
- __get_user(mask, &act->sa_mask))
- return -EFAULT;
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
- return -EFAULT;
- }
-
- return ret;
-}
-
-asmlinkage int
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs)
-{
- struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
-
- return do_sigaltstack(uss, uoss, regs->regs[15]);
-}
-
-
-/*
* Do a signal return; undo the signal stack.
*/
@@ -257,8 +203,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
goto badframe;
- if (do_sigaltstack(&frame->uc.uc_stack, NULL,
- regs->regs[15]) == -EFAULT)
+ if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return r0;
@@ -423,11 +368,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(NULL, &frame->uc.uc_link);
- err |= __put_user((void *)current->sas_ss_sp,
- &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->regs[15]),
- &frame->uc.uc_stack.ss_flags);
- err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, regs->regs[15]);
err |= setup_sigcontext(&frame->uc.uc_mcontext,
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index d867cd95a622..23d4c71c91af 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -128,58 +128,6 @@ static void do_signal(struct pt_regs *regs)
}
/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int
-sys_sigsuspend(old_sigset_t mask)
-{
- sigset_t blocked;
- siginitset(&blocked, mask);
- return sigsuspend(&blocked);
-}
-
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
- if (act) {
- old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
- __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
- __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
- __get_user(mask, &act->sa_mask))
- return -EFAULT;
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
- return -EFAULT;
- }
-
- return ret;
-}
-
-asmlinkage int
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
- unsigned long r4, unsigned long r5, unsigned long r6,
- unsigned long r7,
- struct pt_regs * regs)
-{
- return do_sigaltstack(uss, uoss, REF_REG_SP);
-}
-
-/*
* Do a signal return; undo the signal stack.
*/
struct sigframe {
@@ -364,9 +312,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
goto badframe;
regs->pc -= 4;
- /* It is more difficult to avoid calling this function than to
- call it and ignore errors. */
- if (do_sigaltstack(&frame->uc.uc_stack, NULL, REF_REG_SP) == -EFAULT)
+ if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return (int) ret;
@@ -560,11 +506,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(0, &frame->uc.uc_link);
- err |= __put_user((void *)current->sas_ss_sp,
- &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->regs[REG_SP]),
- &frame->uc.uc_stack.ss_flags);
- err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, regs->regs[REG_SP]);
err |= setup_sigcontext(&frame->uc.uc_mcontext,
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 72246bc06884..dfdad72c61ca 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -38,7 +38,7 @@ void die(const char *str, struct pt_regs *regs, long err)
notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV);
bust_spinlocks(0);
- add_taint(TAINT_DIE);
+ add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
spin_unlock_irq(&die_lock);
oops_exit();
diff --git a/arch/sh/mm/alignment.c b/arch/sh/mm/alignment.c
index 620fa7ff9eec..aea14855e656 100644
--- a/arch/sh/mm/alignment.c
+++ b/arch/sh/mm/alignment.c
@@ -140,7 +140,7 @@ static int alignment_proc_open(struct inode *inode, struct file *file)
static ssize_t alignment_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
- int *data = PDE(file->f_path.dentry->d_inode)->data;
+ int *data = PDE(file_inode(file))->data;
char mode;
if (count > 0) {
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 82cc576fab15..105794037143 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -558,4 +558,21 @@ int memory_add_physaddr_to_nid(u64 addr)
EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int arch_remove_memory(u64 start, u64 size)
+{
+ unsigned long start_pfn = start >> PAGE_SHIFT;
+ unsigned long nr_pages = size >> PAGE_SHIFT;
+ struct zone *zone;
+ int ret;
+
+ zone = page_zone(pfn_to_page(start_pfn));
+ ret = __remove_pages(zone, start_pfn, nr_pages);
+ if (unlikely(ret))
+ pr_warn("%s: Failed, __remove_pages() == %d\n", __func__,
+ ret);
+
+ return ret;
+}
+#endif
#endif /* CONFIG_MEMORY_HOTPLUG */
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-23 14:53:50 +0300