Thomas,
On Mon, 29 Oct 2007, Thomas Bächler wrote:
> x86_64 fails to compile for me with this error:
>
> CC arch/x86/kernel/vsyscall_64.o
> {standard input}: Assembler messages:
> {standard input}:434: Error: symbol `vsysc2' is already defined
> make[1]: *** [arch/x86/kernel/vsyscall_64.o] Error 1
> make: *** [arch/x86/kernel] Error 2
>
> The .config is attached. What's wrong?
Very recent gcc I guess ? Patch below should fix this.
Thanks,
tglx
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index ad4005c..1a658a2 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -102,7 +102,7 @@ static __always_inline void do_get_tz(struct timezone * tz)
static __always_inline int gettimeofday(struct timeval *tv, struct timezone *tz)
{
int ret;
- asm volatile("vsysc2: syscall"
+ asm volatile(".globl vsysc2\n vsysc2: syscall"
: "=a" (ret)
: "0" (__NR_gettimeofday),"D" (tv),"S" (tz)
: __syscall_clobber );
@@ -112,7 +112,7 @@ static __always_inline int gettimeofday(struct timeval *tv, struct timezone *tz)
static __always_inline long time_syscall(long *t)
{
long secs;
- asm volatile("vsysc1: syscall"
+ asm volatile(".globl vsysc1\n vsysc1: syscall"
: "=a" (secs)
: "0" (__NR_time),"D" (t) : __syscall_clobber);
return secs;
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