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powerpc: Set default CPU type to POWER8 for little endian builds
authorAnton Blanchard <anton@samba.org>
Sun, 25 Sep 2016 12:35:41 +0000 (22:35 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 4 Oct 2016 05:15:00 +0000 (16:15 +1100)
We supported POWER7 CPUs for bootstrapping little endian, but the
target was always POWER8. Now that POWER7 specific issues are
impacting performance, change the default target to POWER8.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/platforms/Kconfig.cputype patch | blob | blame | history

diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index c0dbdb004f49a874f1c545ff50d8a378e1f2d1e7..ca2da30ad2ab2284092d6c39a7e885563774b899 100644 (file)
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -87,6 +87,7 @@ endchoice
 choice
        prompt "CPU selection"
        depends on PPC64
+       default POWER8_CPU if CPU_LITTLE_ENDIAN
        default GENERIC_CPU
        help
          This will create a kernel which is optimised for a particular CPU.