[PATCH] openrisc: remove bogus nops and shutdowns

From: Jason A. Donenfeld
Date: Wed May 04 2022 - 07:09:25 EST


Nop 42 is some leftover debugging thing by the looks of it. Nop 1 will
shut down the simulator, which isn't what we want, since it makes it
possible to handle errors.

Cc: Stafford Horne <shorne@xxxxxxxxx>
Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
---
arch/openrisc/mm/fault.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index 80bb66ad42f6..860da58d7509 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -223,8 +223,6 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long address,
{
const struct exception_table_entry *entry;

- __asm__ __volatile__("l.nop 42");
-
if ((entry = search_exception_tables(regs->pc)) != NULL) {
/* Adjust the instruction pointer in the stackframe */
regs->pc = entry->fixup;
@@ -252,9 +250,6 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long address,
*/

out_of_memory:
- __asm__ __volatile__("l.nop 42");
- __asm__ __volatile__("l.nop 1");
-
mmap_read_unlock(mm);
if (!user_mode(regs))
goto no_context;
--
2.35.1