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Commit Graph

2 Commits

Author SHA1 Message Date
Daniel J Blueman
ef34cc3428 x86/numachip: Fix timer build conflict
Fix Numachip build conflict from:
ce2e572 x86/numachip: Introduce Numachip2 timer mechanisms

drivers/built-in.o:(.discard+0x1b): multiple definition of `__pcpu_unique_cpu_ced'
arch/x86/built-in.o:(.discard+0xa0da): first defined here

Ensure cpu_ced is unique by prefixing with 'numachip2'.
 
Signed-off-by: Daniel J Blueman <daniel@numascale.com>
Cc: <tipbuild@zytor.com>
Cc: <kbuild-all@01.org>
Cc: Steffen Persvold <sp@numascale.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-09-23 05:39:20 +02:00
Daniel J Blueman
ce2e572cfe x86/numachip: Introduce Numachip2 timer mechanisms
Add 1GHz 64-bit Numachip2 clocksource timer support for accurate
system-wide timekeeping, as core TSCs are unsynchronised.

Additionally, add a per-core clockevent mechanism that interrupts via the
platform IPI vector after a programmed period.

[ tglx: Taking it through x86 due to dependencies ]

Signed-off-by: Daniel J Blueman <daniel@numascale.com>
Acked-by: Steffen Persvold <sp@numascale.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1442829745-29311-1-git-send-email-daniel@numascale.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-09-22 22:25:33 +02:00