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x86/asm/tsc, drivers/input/gameport: Replace rdtscl() with native_read_tsc()
It's unclear to me why this code exists in the first place. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Huang Rui <ray.huang@amd.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Len Brown <lenb@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kvm ML <kvm@vger.kernel.org> Cc: linux-input@vger.kernel.org Link: http://lkml.kernel.org/r/9e058e72f4cf1f13c6483c1360b39c3d188a2c2a.1434501121.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -149,9 +149,9 @@ static int old_gameport_measure_speed(struct gameport *gameport)
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for(i = 0; i < 50; i++) {
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local_irq_save(flags);
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rdtscl(t1);
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t1 = native_read_tsc();
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for (t = 0; t < 50; t++) gameport_read(gameport);
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rdtscl(t2);
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t2 = native_read_tsc();
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local_irq_restore(flags);
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udelay(i * 10);
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if (t2 - t1 < tx) tx = t2 - t1;
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