x86/platform/uv/BAU: Clean up pq_init()
The payload queue first MMR requires the physical memory address and hub GNODE of where the payload queue resides in memory, but the associated variables are named as if the PNODE were used. Rename gnode-related variables and clarify the definitions of the payload queue head, last, and tail pointers. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-4-git-send-email-abanman@sgi.comSigned-off-by: Ingo Molnar <mingo@kernel.org>
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