save/restore rbp when entering/leaving kernel (required for fork() in glibc)

2014-04-02 14:02:20 +09:00
parent b01b31f04d
commit 3ce94072b4
2 changed files with 9 additions and 4 deletions
--- a/arch/x86/kernel/include/registers.h
+++ b/arch/x86/kernel/include/registers.h
@@ -137,7 +137,7 @@ struct tss64 {

 struct x86_regs {
 	unsigned long r11, r10, r9, r8;
-	unsigned long rdi, rsi, rdx, rcx, rbx, rax;
+	unsigned long rdi, rsi, rdx, rcx, rbx, rax, rbp;
 	unsigned long error, rip, cs, rflags, rsp, ss;
 };