/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MMU_H #define _ASM_X86_MMU_H #include <linux/spinlock.h> #include <linux/mutex.h> #include <linux/atomic.h> /* * x86 has arch-specific MMU state beyond what lives in mm_struct. */ typedef struct { /* * ctx_id uniquely identifies this mm_struct. A ctx_id will never * be reused, and zero is not a valid ctx_id. */ u64 ctx_id; /* * Any code that needs to do any sort of TLB flushing for this * mm will first make its changes to the page tables, then * increment tlb_gen, then flush. This lets the low-level * flushing code keep track of what needs flushing. * * This is not used on Xen PV. */ atomic64_t tlb_gen; #ifdef CONFIG_MODIFY_LDT_SYSCALL struct ldt_struct *ldt; #endif #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; /* vdso base address */ const struct vdso_image *vdso_image; /* vdso image in use */ atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS /* * One bit per protection key says whether userspace can * use it or not. protected by mmap_sem. */ u16 pkey_allocation_map; s16 execute_only_pkey; #endif #ifdef CONFIG_X86_INTEL_MPX /* address of the bounds directory */ void __user *bd_addr; #endif } mm_context_t; #define INIT_MM_CONTEXT(mm) \ .context = { \ .ctx_id = 1, \ } void leave_mm(int cpu); #endif /* _ASM_X86_MMU_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Lutomirski | 40 | 35.40% | 6 | 40.00% |
| Chris Snook | 15 | 13.27% | 1 | 6.67% |
| Dave Hansen | 12 | 10.62% | 1 | 6.67% |
| Mark Rutland | 11 | 9.73% | 1 | 6.67% |
| Stephen Wilson | 10 | 8.85% | 1 | 6.67% |
| Richard Kennedy | 8 | 7.08% | 1 | 6.67% |
| Venkatesh Pallipadi | 7 | 6.19% | 1 | 6.67% |
| Thomas Gleixner | 6 | 5.31% | 1 | 6.67% |
| H. Peter Anvin | 3 | 2.65% | 1 | 6.67% |
| Greg Kroah-Hartman | 1 | 0.88% | 1 | 6.67% |
| Total | 113 | 100.00% | 15 | 100.00% |