diff options
Diffstat (limited to 'arch/riscv/kernel')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/riscv/kernel/traps.c | 16 |
2 files changed, 4 insertions, 14 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index c11f40c1b2a88..ee44a48faf79d 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -29,6 +29,7 @@ #include <linux/of_fdt.h> #include <linux/of_platform.h> #include <linux/sched/task.h> +#include <linux/swiotlb.h> #include <asm/setup.h> #include <asm/sections.h> @@ -206,6 +207,7 @@ void __init setup_arch(char **cmdline_p) setup_bootmem(); paging_init(); unflatten_device_tree(); + swiotlb_init(1); #ifdef CONFIG_SMP setup_smp(); diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 93132cb591848..b99d9dd21fd0b 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -63,18 +63,6 @@ void die(struct pt_regs *regs, const char *str) do_exit(SIGSEGV); } -static inline void do_trap_siginfo(int signo, int code, - unsigned long addr, struct task_struct *tsk) -{ - siginfo_t info; - - info.si_signo = signo; - info.si_errno = 0; - info.si_code = code; - info.si_addr = (void __user *)addr; - force_sig_info(signo, &info, tsk); -} - void do_trap(struct pt_regs *regs, int signo, int code, unsigned long addr, struct task_struct *tsk) { @@ -87,7 +75,7 @@ void do_trap(struct pt_regs *regs, int signo, int code, show_regs(regs); } - do_trap_siginfo(signo, code, addr, tsk); + force_sig_fault(signo, code, (void __user *)addr, tsk); } static void do_trap_error(struct pt_regs *regs, int signo, int code, @@ -149,7 +137,7 @@ asmlinkage void do_trap_break(struct pt_regs *regs) } #endif /* CONFIG_GENERIC_BUG */ - do_trap_siginfo(SIGTRAP, TRAP_BRKPT, regs->sepc, current); + force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)(regs->sepc), current); regs->sepc += 0x4; } |