| Message ID | 20201203064826.30832-2-tesheng@andestech.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Let illegal access to user-space memory die | expand |
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index 3c8b9e433c67..0bcfd0e1b39e 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -19,6 +19,19 @@ #include "../kernel/head.h" +static void die_kernel_fault(const char *msg, unsigned long addr, + struct pt_regs *regs) +{ + bust_spinlocks(1); + + pr_alert("Unable to handle kernel %s at virtual address " REG_FMT "\n", msg, + addr); + + bust_spinlocks(0); + die(regs, "Oops"); + do_exit(SIGKILL); +} + static inline void no_context(struct pt_regs *regs, unsigned long addr) { /* Are we prepared to handle this kernel fault? */
Like arm64, this patch adds a die_kernel_fault() helper to ensure the same semantics for the different kernel faults. Signed-off-by: Eric Lin <tesheng@andestech.com> Cc: Alan Kao <alankao@andestech.com> --- arch/riscv/mm/fault.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)