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parisc: unwind: Avoid missing prototype warning for handle_interruption()

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Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2023-07-03 18:23:39 +02:00
parent 147e17e297
commit 6414b30b39
2 changed files with 4 additions and 2 deletions
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1
arch/parisc/include/asm/processor.h
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@ -296,6 +296,7 @@ extern void do_cpu_irq_mask(struct pt_regs *);
extern irqreturn_t timer_interrupt(int, void *);
extern irqreturn_t ipi_interrupt(int, void *);
extern void start_cpu_itimer(void);
extern void handle_interruption(int, struct pt_regs *);
/* called from assembly code: */
extern void start_parisc(void);

5
arch/parisc/kernel/unwind.c
View File

@ -221,7 +221,6 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
* Note: We could use dereference_kernel_function_descriptor()
* instead but we want to keep it simple here.
*/
extern void * const handle_interruption;
extern void * const ret_from_kernel_thread;
extern void * const syscall_exit;
extern void * const intr_return;
@ -229,8 +228,10 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
#ifdef CONFIG_IRQSTACKS
extern void * const _call_on_stack;
#endif /* CONFIG_IRQSTACKS */
void *ptr;
if (pc_is_kernel_fn(pc, handle_interruption)) {
ptr = dereference_kernel_function_descriptor(&handle_interruption);
if (pc_is_kernel_fn(pc, ptr)) {
struct pt_regs *regs = (struct pt_regs *)(info->sp - frame_size - PT_SZ_ALGN);
dbg("Unwinding through handle_interruption()\n");
info->prev_sp = regs->gr[30];