Commit 200b812d00 "Clear the exclusive monitor when returning from an exception" broke the vast majority of ARM systems in the wild which are still pre ARMv6. The kernel is crashing on the first occurrence of an exception due to the removal of the actual return instruction for them. Let's add it back.
Unified · Split
| @@ -83,6 +83,8 @@ · 82 unmodified lines | ||
| 83 | 83 | ldr r0, [sp] |
| 84 | 84 | strex r1, r2, [sp] @ clear the exclusive monitor |
| 85 | 85 | ldmib sp, {r1 - pc}^ @ load r1 - pc, cpsr |
| 86 | +#else | |
| 87 | + ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr | |
| 86 | 88 | #endif |
| 87 | 89 | .endm |
| 88 | 90 | |