diff options
author | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
commit | 822bbba0cabb50825a0ce22707dc45eb82d02853 (patch) | |
tree | ea61d4ca72cb60b4cae8e95f64eefa7cd2a36603 /arch/riscv/kernel/traps.c | |
parent | d41abfd7ae33cd3c1d9189438937d61cb75e690a (diff) | |
parent | 7d194c2100ad2a6dded545887d02754948ca5241 (diff) |
Merge tag 'v5.4-rc4' into docs-next
I need to pick up the independent changes made to
Documentation/core-api/memory-allocation.rst to be able to merge further
work without creating a total mess.
Diffstat (limited to 'arch/riscv/kernel/traps.c')
-rw-r--r-- | arch/riscv/kernel/traps.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 424eb72d56b1..1ac75f7d0bff 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -124,24 +124,24 @@ static inline unsigned long get_break_insn_length(unsigned long pc) asmlinkage void do_trap_break(struct pt_regs *regs) { + if (user_mode(regs)) { + force_sig_fault(SIGTRAP, TRAP_BRKPT, + (void __user *)(regs->sepc)); + return; + } #ifdef CONFIG_GENERIC_BUG - if (!user_mode(regs)) { + { enum bug_trap_type type; type = report_bug(regs->sepc, regs); - switch (type) { - case BUG_TRAP_TYPE_NONE: - break; - case BUG_TRAP_TYPE_WARN: + if (type == BUG_TRAP_TYPE_WARN) { regs->sepc += get_break_insn_length(regs->sepc); - break; - case BUG_TRAP_TYPE_BUG: - die(regs, "Kernel BUG"); + return; } } #endif /* CONFIG_GENERIC_BUG */ - force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)(regs->sepc)); + die(regs, "Kernel BUG"); } #ifdef CONFIG_GENERIC_BUG |