From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/arch/sh/kernel/traps.c | 24 ++++++++++++++++++------
1 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/kernel/arch/sh/kernel/traps.c b/kernel/arch/sh/kernel/traps.c
index 8b49cce..f5beecd 100644
--- a/kernel/arch/sh/kernel/traps.c
+++ b/kernel/arch/sh/kernel/traps.c
@@ -38,8 +38,8 @@
task_pid_nr(current), task_stack_page(current) + 1);
if (!user_mode(regs) || in_interrupt())
- dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
- (unsigned long)task_stack_page(current));
+ dump_mem("Stack: ", KERN_DEFAULT, regs->regs[15],
+ THREAD_SIZE + (unsigned long)task_stack_page(current));
notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV);
@@ -118,7 +118,7 @@
if (addr < PAGE_OFFSET)
return 0;
- if (probe_kernel_address((insn_size_t *)addr, opcode))
+ if (get_kernel_nofault(opcode, (insn_size_t *)addr))
return 0;
if (opcode == TRAPA_BUG_OPCODE)
return 1;
@@ -141,7 +141,7 @@
SIGTRAP) == NOTIFY_STOP)
return;
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
}
/*
@@ -167,16 +167,26 @@
}
#endif
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
}
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+extern void arch_ftrace_nmi_enter(void);
+extern void arch_ftrace_nmi_exit(void);
+#else
+static inline void arch_ftrace_nmi_enter(void) { }
+static inline void arch_ftrace_nmi_exit(void) { }
+#endif
BUILD_TRAP_HANDLER(nmi)
{
unsigned int cpu = smp_processor_id();
TRAP_HANDLER_DECL;
+ arch_ftrace_nmi_enter();
+
nmi_enter();
- nmi_count(cpu)++;
+ this_cpu_inc(irq_stat.__nmi_count);
switch (notify_die(DIE_NMI, "NMI", regs, 0, vec & 0xff, SIGINT)) {
case NOTIFY_OK:
@@ -190,4 +200,6 @@
}
nmi_exit();
+
+ arch_ftrace_nmi_exit();
}
--
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