diff options
Diffstat (limited to 'arch/um/kernel/process_kern.c')
| -rw-r--r-- | arch/um/kernel/process_kern.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c index dea80d4357f0..3dcb080c44a0 100644 --- a/arch/um/kernel/process_kern.c +++ b/arch/um/kernel/process_kern.c @@ -466,12 +466,21 @@ int singlestepping(void * t) return 2; } +/* + * Only x86 and x86_64 have an arch_align_stack(). + * All other arches have "#define arch_align_stack(x) (x)" + * in their asm/system.h + * As this is included in UML from asm-um/system-generic.h, + * we can use it to behave as the subarch does. + */ +#ifndef arch_align_stack unsigned long arch_align_stack(unsigned long sp) { if (randomize_va_space) sp -= get_random_int() % 8192; return sp & ~0xf; } +#endif /* |