microblaze: Setup correct pointer to TLS area
Setup a pointer to the TLS area in copy_thread.
r10 is 6th argumetn which contains TLS area.
And r21 is the thread reg.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: David Holsgrove <david.holsgrove@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 883b927..1944e00 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -182,8 +182,12 @@
#endif
ti->cpu_context.r15 = (unsigned long)ret_from_fork - 8;
+ /*
+ * r21 is the thread reg, r10 is 6th arg to clone
+ * which contains TLS area
+ */
if (clone_flags & CLONE_SETTLS)
- ;
+ childregs->r21 = childregs->r10;
return 0;
}
