* Vegard Nossum <[EMAIL PROTECTED]> wrote:
> The sys_sched_yield_to() is not callable from userspace on i386
> because it is not part of the syscall table
> (arch/i386/kernel/syscall_table.S). This causes sysenter_entry
> (arch/i386/kernel/entry.S) to use the wrong count for nr_syscalls (320
> instead of 321) and return with -ENOSYS.
oops, indeed - the patch below should fix this. (x86 should really adopt
the nice x86_64 technique of building the syscall table out of the
unistd.h enumeration definitions.)
Ingo
Index: linux/arch/i386/kernel/syscall_table.S
===================================================================
--- linux.orig/arch/i386/kernel/syscall_table.S
+++ linux/arch/i386/kernel/syscall_table.S
@@ -319,3 +319,4 @@ ENTRY(sys_call_table)
.long sys_move_pages
.long sys_getcpu
.long sys_epoll_pwait
+ .long sys_sched_yield_to /* 320 */
-
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