From: Jeff D. <jd...@ad...> - 2005-05-06 22:54:17
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From: Bodo Stroesser <bst...@fu...> Only x86 and x86_64 use arch_align_stack(), all other subarches have: #define arch_align_stack(x) (x) So, if this definition is found, UML's own arch_align_stack() should be skipped. Signed-off-by: Bodo Stroesser <bst...@fu...> Index: linux-2.6.11-mm/arch/um/kernel/process_kern.c =================================================================== --- linux-2.6.11-mm.orig/arch/um/kernel/process_kern.c 2005-04-30 13:13:04.000000000 -0400 +++ linux-2.6.11-mm/arch/um/kernel/process_kern.c 2005-04-30 13:20:41.000000000 -0400 @@ -462,12 +462,21 @@ 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 /* |