From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/x86/include/asm/mmu.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 kernel/arch/x86/include/asm/mmu.h (limited to 'kernel/arch/x86/include/asm/mmu.h') diff --git a/kernel/arch/x86/include/asm/mmu.h b/kernel/arch/x86/include/asm/mmu.h new file mode 100644 index 000000000..09b9620a7 --- /dev/null +++ b/kernel/arch/x86/include/asm/mmu.h @@ -0,0 +1,34 @@ +#ifndef _ASM_X86_MMU_H +#define _ASM_X86_MMU_H + +#include +#include + +/* + * The x86 doesn't have a mmu context, but + * we put the segment information here. + */ +typedef struct { + void *ldt; + int size; + +#ifdef CONFIG_X86_64 + /* True if mm supports a task running in 32 bit compatibility mode. */ + unsigned short ia32_compat; +#endif + + struct mutex lock; + void __user *vdso; + + atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ +} mm_context_t; + +#ifdef CONFIG_SMP +void leave_mm(int cpu); +#else +static inline void leave_mm(int cpu) +{ +} +#endif + +#endif /* _ASM_X86_MMU_H */ -- cgit 1.2.3-korg