Commit c982c6d6 authored Jul 09, 2015 by Markos Chandras Committed by Ralf Baechle Aug 26, 2015

MIPS: cpu-probe: Remove cp0 hazard barrier when enabling the FTLB



We are so early in the boot process where we really don't want to
stall and wait for CP0 FTLB related changes become visible so just drop
the cp0 hazard barrier.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10649/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 6f50c835

arch/mips/kernel/cpu-probe.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -385,7 +385,6 @@ static void set_ftlb_enable(struct cpuinfo_mips *c, int enable)
		else
		/* Disable FTLB */
		write_c0_config6(config6 & ~MIPS_CONF6_FTLBEN);
		back_to_back_c0_hazard();
		break;
		}
		}