A minor question about endianness setting in hyp-sub.S

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Hi All,

I'm really confused by the endianness setting in hyp-sub.S as below:

#ifdef CONFIG_CPU_BIG_ENDIAN
        orr     r7, #(1 << 9)           @ HSCTLR.EE
#endif

Is this line try to set HSCTLR.EE if kernel enabled CONFIG_CPU_BIG_ENDIAN? If so, HSCTLR.EE is defined as bit[25]
referring to DDI0606C(P1590). Can you explain the details?

BTW: another relevant definition can be found in include/asm/kvm_arm.h as blow which makes sense:

#define HSCTLR_EE	(1 << 25)

Thanks!
Li Liu.

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