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Commit 9da77666 authored by Prarit Bhargava's avatar Prarit Bhargava Committed by Thomas Gleixner
Browse files

x86/msr: Remove unused native_read_tscp() 



After e76b027e ("x86,vdso: Use LSL unconditionally for vgetcpu")
native_read_tscp() is unused in the kernel. The function can be removed like
native_read_tsc() was.

Signed-off-by: default avatarPrarit Bhargava <prarit@redhat.com>
Acked-by: default avatarAndy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1458687968-9106-1-git-send-email-prarit@redhat.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent f09e3f4f

arch/x86/include/asm/msr.h

+0 −8
Original line number Diff line number Diff line
@@ -42,14 +42,6 @@ struct saved_msrs { 
	struct saved_msr *array;

};



static inline unsigned long long native_read_tscp(unsigned int *aux)

{

	unsigned long low, high;

	asm volatile(".byte 0x0f,0x01,0xf9"

		     : "=a" (low), "=d" (high), "=c" (*aux));

	return low | ((u64)high << 32);

}



/*

 * both i386 and x86_64 returns 64-bit value in edx:eax, but gcc's "A"

 * constraint has different meanings. For i386, "A" means exactly