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-rw-r--r--arch/arm64/include/asm/virt.h13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h
index 130e2be952cf..215ad4649dd7 100644
--- a/arch/arm64/include/asm/virt.h
+++ b/arch/arm64/include/asm/virt.h
@@ -22,7 +22,6 @@
22#define BOOT_CPU_MODE_EL2 (0xe12) 22#define BOOT_CPU_MODE_EL2 (0xe12)
23 23
24#ifndef __ASSEMBLY__ 24#ifndef __ASSEMBLY__
25#include <asm/cacheflush.h>
26 25
27/* 26/*
28 * __boot_cpu_mode records what mode CPUs were booted in. 27 * __boot_cpu_mode records what mode CPUs were booted in.
@@ -38,20 +37,9 @@ extern u32 __boot_cpu_mode[2];
38void __hyp_set_vectors(phys_addr_t phys_vector_base); 37void __hyp_set_vectors(phys_addr_t phys_vector_base);
39phys_addr_t __hyp_get_vectors(void); 38phys_addr_t __hyp_get_vectors(void);
40 39
41static inline void sync_boot_mode(void)
42{
43 /*
44 * As secondaries write to __boot_cpu_mode with caches disabled, we
45 * must flush the corresponding cache entries to ensure the visibility
46 * of their writes.
47 */
48 __flush_dcache_area(__boot_cpu_mode, sizeof(__boot_cpu_mode));
49}
50
51/* Reports the availability of HYP mode */ 40/* Reports the availability of HYP mode */
52static inline bool is_hyp_mode_available(void) 41static inline bool is_hyp_mode_available(void)
53{ 42{
54 sync_boot_mode();
55 return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 && 43 return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 &&
56 __boot_cpu_mode[1] == BOOT_CPU_MODE_EL2); 44 __boot_cpu_mode[1] == BOOT_CPU_MODE_EL2);
57} 45}
@@ -59,7 +47,6 @@ static inline bool is_hyp_mode_available(void)
59/* Check if the bootloader has booted CPUs in different modes */ 47/* Check if the bootloader has booted CPUs in different modes */
60static inline bool is_hyp_mode_mismatched(void) 48static inline bool is_hyp_mode_mismatched(void)
61{ 49{
62 sync_boot_mode();
63 return __boot_cpu_mode[0] != __boot_cpu_mode[1]; 50 return __boot_cpu_mode[0] != __boot_cpu_mode[1];
64} 51}
65 52