Pass parameter to exception handler in correct register. Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx> --- lib/x86/desc.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/lib/x86/desc.c b/lib/x86/desc.c index 2f73a5a..aa0b4f4 100644 --- a/lib/x86/desc.c +++ b/lib/x86/desc.c @@ -111,6 +111,9 @@ struct ex_record { extern struct ex_record exception_table_start, exception_table_end; +#ifndef __x86_64__ +__attribute__((regparm(1))) +#endif void do_handle_exception(struct ex_regs *regs) { struct ex_record *ex; @@ -162,7 +165,11 @@ asm (".pushsection .text \n\t" #endif "push %"R"di; push %"R"si; push %"R"bp; sub $"S", %"R"sp \n\t" "push %"R"bx; push %"R"dx; push %"R"cx; push %"R"ax \n\t" +#ifdef __x86_64__ "mov %"R"sp, %"R"di \n\t" +#else + "mov %"R"sp, %"R"ax \n\t" +#endif "call do_handle_exception \n\t" "pop %"R"ax; pop %"R"cx; pop %"R"dx; pop %"R"bx \n\t" "add $"S", %"R"sp; pop %"R"bp; pop %"R"si; pop %"R"di \n\t" -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html