From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/arch/sh/kernel/signal_32.c | 24 ++++++++++++------------
1 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/kernel/arch/sh/kernel/signal_32.c b/kernel/arch/sh/kernel/signal_32.c
index c46c002..dc13702 100644
--- a/kernel/arch/sh/kernel/signal_32.c
+++ b/kernel/arch/sh/kernel/signal_32.c
@@ -28,7 +28,6 @@
#include <linux/tracehook.h>
#include <asm/ucontext.h>
#include <linux/uaccess.h>
-#include <asm/pgtable.h>
#include <asm/cacheflush.h>
#include <asm/syscalls.h>
#include <asm/fpu.h>
@@ -116,6 +115,7 @@
restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p)
{
unsigned int err = 0;
+ unsigned int sr = regs->sr & ~SR_USER_MASK;
#define COPY(x) err |= __get_user(regs->x, &sc->sc_##x)
COPY(regs[1]);
@@ -130,6 +130,8 @@
COPY(macl); COPY(pr);
COPY(sr); COPY(pc);
#undef COPY
+
+ regs->sr = (regs->sr & SR_USER_MASK) | sr;
#ifdef CONFIG_SH_FPU
if (boot_cpu_data.flags & CPU_HAS_FPU) {
@@ -160,7 +162,7 @@
/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__get_user(set.sig[0], &frame->sc.oldmask)
@@ -176,7 +178,7 @@
return r0;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -190,7 +192,7 @@
/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
@@ -207,7 +209,7 @@
return r0;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -272,7 +274,7 @@
frame = get_sigframe(&ksig->ka, regs->regs[15], sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
err |= setup_sigcontext(&frame->sc, regs, set->sig[0]);
@@ -338,7 +340,7 @@
frame = get_sigframe(&ksig->ka, regs->regs[15], sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
err |= copy_siginfo_to_user(&frame->info, &ksig->info);
@@ -419,7 +421,7 @@
case -ERESTARTSYS:
if (!(sa->sa_flags & SA_RESTART))
goto no_system_call_restart;
- /* fallthrough */
+ fallthrough;
case -ERESTARTNOINTR:
regs->regs[0] = save_r0;
regs->pc -= instruction_size(__raw_readw(regs->pc - 4));
@@ -500,11 +502,9 @@
unsigned long thread_info_flags)
{
/* deal with pending signal delivery */
- if (thread_info_flags & _TIF_SIGPENDING)
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs, save_r0);
- if (thread_info_flags & _TIF_NOTIFY_RESUME) {
- clear_thread_flag(TIF_NOTIFY_RESUME);
+ if (thread_info_flags & _TIF_NOTIFY_RESUME)
tracehook_notify_resume(regs);
- }
}
--
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