commit 6f602afda7275c24c20ba38b5b6cd4ed08561fff
author Thomas Meyer <thomas@m3y3r.de> Sat Jul 29 17:03:23 2017 +0200
committer Richard Weinberger <richard@nod.at> Wed Sep 13 22:24:38 2017 +0200
tree 33ee34f627f020b350fbc351eef16674588c3786
parent 569dbb88e80deb68974ef6fdd6a13edb9d686261

um: Fix FP register size for XSTATE/XSAVE

Hard code max size. Taken from
https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/common/x86-xstate.h

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/um/kernel/process.c

diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 2c7f721..691b83b 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -131,7 +131,7 @@
 	 * callback returns only if the kernel thread execs a process
 	 */
 	n = fn(arg);
-	userspace(&current->thread.regs.regs);
+	userspace(&current->thread.regs.regs, current_thread_info()->aux_fp_regs);
 }
 
 /* Called magically, see new_thread_handler above */
@@ -150,7 +150,7 @@
 
 	current->thread.prev_sched = NULL;
 
-	userspace(&current->thread.regs.regs);
+	userspace(&current->thread.regs.regs, current_thread_info()->aux_fp_regs);
 }
 
 int copy_thread(unsigned long clone_flags, unsigned long sp,