Commit 52e9bae9 authored by Vineet Gupta's avatar Vineet Gupta

ARC: unbork FPU save/restore

Fixes: 2ab402df "ARC: make start_thread() out-of-line"
CC: <stable@vger.kernel.org>  #3.16
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent be64c997
...@@ -189,14 +189,6 @@ ...@@ -189,14 +189,6 @@
#define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10)) #define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10))
#define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10) #define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10)
#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
/* These DPFP regs need to be saved/restored across ctx-sw */
struct arc_fpu {
struct {
unsigned int l, h;
} aux_dpfp[2];
};
#endif
/* /*
*************************************************************** ***************************************************************
......
...@@ -18,6 +18,15 @@ ...@@ -18,6 +18,15 @@
#include <asm/ptrace.h> #include <asm/ptrace.h>
#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
/* These DPFP regs need to be saved/restored across ctx-sw */
struct arc_fpu {
struct {
unsigned int l, h;
} aux_dpfp[2];
};
#endif
/* Arch specific stuff which needs to be saved per task. /* Arch specific stuff which needs to be saved per task.
* However these items are not so important so as to earn a place in * However these items are not so important so as to earn a place in
* struct thread_info * struct thread_info
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment