nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Updated from Linux LTS 3.10.25 to 3.10.26

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This commit is contained in:
Nathan
2025-04-09 20:15:34 -05:00
parent 92cb237c3b
commit c205d496ee
118 changed files with 902 additions and 407 deletions
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13
arch/arm64/include/asm/virt.h
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@@ -21,6 +21,7 @@
#define BOOT_CPU_MODE_EL2 (0x0e12b007)
#ifndef __ASSEMBLY__
#include <asm/cacheflush.h>
/*
* __boot_cpu_mode records what mode CPUs were booted in.
@@ -36,9 +37,20 @@ extern u32 __boot_cpu_mode[2];
void __hyp_set_vectors(phys_addr_t phys_vector_base);
phys_addr_t __hyp_get_vectors(void);
static inline void sync_boot_mode(void)
{
/*
* As secondaries write to __boot_cpu_mode with caches disabled, we
* must flush the corresponding cache entries to ensure the visibility
* of their writes.
*/
__flush_dcache_area(__boot_cpu_mode, sizeof(__boot_cpu_mode));
}
/* Reports the availability of HYP mode */
static inline bool is_hyp_mode_available(void)
{
sync_boot_mode();
return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 &&
__boot_cpu_mode[1] == BOOT_CPU_MODE_EL2);
}
@@ -46,6 +58,7 @@ static inline bool is_hyp_mode_available(void)
/* Check if the bootloader has booted CPUs in different modes */
static inline bool is_hyp_mode_mismatched(void)
{
sync_boot_mode();
return __boot_cpu_mode[0] != __boot_cpu_mode[1];
}