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hv: replace the CONFIG_PLATFORM_RAM_SIZE with get_e820_ram_size for vept

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Now the vept table was allocate dynamically, but the table size of vept
was calculated by the CONFIG_PLATFORM_RAM_SIZE which was predefined by
config tool.

It's not complete change and can't support single binary for different
boards/platforms.

So this patch will replace the CONFIG_PLATFORM_RAM_SIZE and get the
top ram size from hv_E820 interface for vept.

Tracked-On: #6690
Acked-by: Anthony Xu <anthony.xu@intel.com>
Signed-off-by: Chenli Wei <chenli.wei@linux.intel.com>
This commit is contained in:
Chenli Wei
2021-12-21 13:32:30 +08:00
committed by acrnsi-robot
parent 5432b52b12
commit b7a99f4530
3 changed files with 27 additions and 12 deletions
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4
hypervisor/include/arch/x86/asm/guest/vept.h
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@@ -38,7 +38,7 @@ struct nept_desc {
uint32_t ref_count;
};
void reserve_buffer_for_sept_pages(void);
void allocate_buffer_for_sept_pages(void);
void init_vept(void);
uint64_t get_shadow_eptp(uint64_t guest_eptp);
struct nept_desc *get_nept_desc(uint64_t guest_eptp);
@@ -46,6 +46,6 @@ void put_nept_desc(uint64_t guest_eptp);
bool handle_l2_ept_violation(struct acrn_vcpu *vcpu);
int32_t invept_vmexit_handler(struct acrn_vcpu *vcpu);
#else
static inline void reserve_buffer_for_sept_pages(void) {};
static inline void allocate_buffer_for_sept_pages(void) {};
#endif /* CONFIG_NVMX_ENABLED */
#endif /* VEPT_H */