From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/arch/sparc/kernel/signal_32.c | 17 +++++++----------
1 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/kernel/arch/sparc/kernel/signal_32.c b/kernel/arch/sparc/kernel/signal_32.c
index 5665261..4d47851 100644
--- a/kernel/arch/sparc/kernel/signal_32.c
+++ b/kernel/arch/sparc/kernel/signal_32.c
@@ -23,8 +23,6 @@
#include <linux/uaccess.h>
#include <asm/ptrace.h>
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
#include <asm/cacheflush.h> /* flush_sig_insns */
#include <asm/switch_to.h>
@@ -67,7 +65,7 @@
*/
static inline bool invalid_frame_pointer(void __user *fp, int fplen)
{
- if ((((unsigned long) fp) & 15) || !__access_ok((unsigned long)fp, fplen))
+ if ((((unsigned long) fp) & 15) || !access_ok(fp, fplen))
return true;
return false;
@@ -137,7 +135,7 @@
return;
segv_and_exit:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
@@ -196,7 +194,7 @@
set_current_blocked(&set);
return;
segv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
@@ -442,7 +440,7 @@
case ERESTARTSYS:
if (!(sa->sa_flags & SA_RESTART))
goto no_system_call_restart;
- /* fallthrough */
+ fallthrough;
case ERESTARTNOINTR:
regs->u_regs[UREG_I0] = orig_i0;
regs->pc -= 4;
@@ -508,6 +506,7 @@
regs->pc -= 4;
regs->npc -= 4;
pt_regs_clear_syscall(regs);
+ fallthrough;
case ERESTART_RESTARTBLOCK:
regs->u_regs[UREG_G1] = __NR_restart_syscall;
regs->pc -= 4;
@@ -522,12 +521,10 @@
void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
unsigned long thread_info_flags)
{
- if (thread_info_flags & _TIF_SIGPENDING)
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs, orig_i0);
- if (thread_info_flags & _TIF_NOTIFY_RESUME) {
- clear_thread_flag(TIF_NOTIFY_RESUME);
+ if (thread_info_flags & _TIF_NOTIFY_RESUME)
tracehook_notify_resume(regs);
- }
}
asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
--
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