From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/arch/mips/include/asm/hazards.h | 52 ++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) (limited to 'kernel/arch/mips/include/asm/hazards.h') diff --git a/kernel/arch/mips/include/asm/hazards.h b/kernel/arch/mips/include/asm/hazards.h index 4087b47ad..7b99efd31 100644 --- a/kernel/arch/mips/include/asm/hazards.h +++ b/kernel/arch/mips/include/asm/hazards.h @@ -31,9 +31,15 @@ #define __mtc0_tlbw_hazard \ ___ehb +#define __mtc0_tlbr_hazard \ + ___ehb + #define __tlbw_use_hazard \ ___ehb +#define __tlb_read_hazard \ + ___ehb + #define __tlb_probe_hazard \ ___ehb @@ -80,12 +86,23 @@ do { \ ___ssnop; \ ___ehb +#define __mtc0_tlbr_hazard \ + ___ssnop; \ + ___ssnop; \ + ___ehb + #define __tlbw_use_hazard \ ___ssnop; \ ___ssnop; \ ___ssnop; \ ___ehb +#define __tlb_read_hazard \ + ___ssnop; \ + ___ssnop; \ + ___ssnop; \ + ___ehb + #define __tlb_probe_hazard \ ___ssnop; \ ___ssnop; \ @@ -147,8 +164,12 @@ do { \ #define __mtc0_tlbw_hazard +#define __mtc0_tlbr_hazard + #define __tlbw_use_hazard +#define __tlb_read_hazard + #define __tlb_probe_hazard #define __irq_enable_hazard @@ -166,8 +187,12 @@ do { \ */ #define __mtc0_tlbw_hazard +#define __mtc0_tlbr_hazard + #define __tlbw_use_hazard +#define __tlb_read_hazard + #define __tlb_probe_hazard #define __irq_enable_hazard @@ -196,11 +221,20 @@ do { \ nop; \ nop +#define __mtc0_tlbr_hazard \ + nop; \ + nop + #define __tlbw_use_hazard \ nop; \ nop; \ nop +#define __tlb_read_hazard \ + nop; \ + nop; \ + nop + #define __tlb_probe_hazard \ nop; \ nop; \ @@ -267,7 +301,9 @@ do { \ #define _ssnop ___ssnop #define _ehb ___ehb #define mtc0_tlbw_hazard __mtc0_tlbw_hazard +#define mtc0_tlbr_hazard __mtc0_tlbr_hazard #define tlbw_use_hazard __tlbw_use_hazard +#define tlb_read_hazard __tlb_read_hazard #define tlb_probe_hazard __tlb_probe_hazard #define irq_enable_hazard __irq_enable_hazard #define irq_disable_hazard __irq_disable_hazard @@ -300,6 +336,14 @@ do { \ } while (0) +#define mtc0_tlbr_hazard() \ +do { \ + __asm__ __volatile__( \ + __stringify(__mtc0_tlbr_hazard) \ + ); \ +} while (0) + + #define tlbw_use_hazard() \ do { \ __asm__ __volatile__( \ @@ -308,6 +352,14 @@ do { \ } while (0) +#define tlb_read_hazard() \ +do { \ + __asm__ __volatile__( \ + __stringify(__tlb_read_hazard) \ + ); \ +} while (0) + + #define tlb_probe_hazard() \ do { \ __asm__ __volatile__( \ -- cgit 1.2.3-korg