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hv: ept: remove find_next_table

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We don't need find_next_table to walk to the next EPT page table.

Tracked-On: #1124

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Li, Fei1
2018-08-24 10:24:48 +08:00
committed by lijinxia
parent 9257ecf4bb
commit 7f9befb643
3 changed files with 29 additions and 89 deletions
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23
hypervisor/include/arch/x86/mmu.h
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@@ -7,27 +7,6 @@
#ifndef MMU_H
#define MMU_H
/* Size of all page-table entries (in bytes) */
#define IA32E_COMM_ENTRY_SIZE 8U
/* Definitions exclusive to a Page Directory Pointer Table Entry (PDPTE) */
#define IA32E_PDPTE_D_BIT 0x0000000000000040UL
#define IA32E_PDPTE_PS_BIT 0x0000000000000080UL
#define IA32E_PDPTE_PAT_BIT 0x0000000000001000UL
#define IA32E_PDPTE_ADDR_MASK 0x0000FFFFC0000000UL
/* Definitions exclusive to a Page Directory Entry (PDE) 1G or 2M */
#define IA32E_PDE_D_BIT 0x0000000000000040UL
#define IA32E_PDE_PS_BIT 0x0000000000000080UL
#define IA32E_PDE_PAT_BIT 0x0000000000001000UL
#define IA32E_PDE_ADDR_MASK 0x0000FFFFFFE00000UL
/* Definitions exclusive to Page Table Entries (PTE) */
#define IA32E_PTE_D_BIT 0x0000000000000040UL
#define IA32E_PTE_PAT_BIT 0x0000000000000080UL
#define IA32E_PTE_G_BIT 0x0000000000000100UL
#define IA32E_PTE_ADDR_MASK 0x0000FFFFFFFFF000UL
/** The flag that indicates that the page fault was caused by a non present
* page.
*/
@@ -211,7 +190,7 @@ int ept_mr_modify(const struct vm *vm, uint64_t *pml4_page,
uint64_t prot_set, uint64_t prot_clr);
int ept_mr_del(const struct vm *vm, uint64_t *pml4_page,
uint64_t gpa, uint64_t size);
void free_ept_mem(void *pml4_addr);
void free_ept_mem(uint64_t *pml4_page);
int ept_violation_vmexit_handler(struct vcpu *vcpu);
int ept_misconfig_vmexit_handler(__unused struct vcpu *vcpu);