[linuxppc-release] [PATCH 1/2] powerpc, e5500: add networking to defconfig

[Li Yang-R58472]

>Subject: [linuxppc-release] [PATCH 1/2] powerpc, e5500: add networking to
>defconfig
>
>Even though support for the p5020's on-chip ethernet is not yet upstream,
>it is not appropriate to disable all networking support (including
>loopback, unix domain sockets, external ethernet devices, etc) in the
>defconfig.  The networking settings are taken from mpc85xx_smp_defconfig,
>minus the drivers for ethernet devices not found on any current e5500 chip.
>
>The other changes are the result of running "make savedefconfig".
>
>Signed-off-by: Scott Wood <scottwood at freescale.com>
>---
> arch/powerpc/configs/e55xx_smp_defconfig |   38 ++++++++++++++++++++++---
>----
> 1 files changed, 29 insertions(+), 9 deletions(-)
>
>diff --git a/arch/powerpc/configs/e55xx_smp_defconfig
>b/arch/powerpc/configs/e55xx_smp_defconfig
>index 9fa1613..f4c5780 100644
>--- a/arch/powerpc/configs/e55xx_smp_defconfig
>+++ b/arch/powerpc/configs/e55xx_smp_defconfig
>@@ -6,10 +6,10 @@ CONFIG_NR_CPUS=2
> CONFIG_EXPERIMENTAL=y
> CONFIG_SYSVIPC=y
> CONFIG_BSD_PROCESS_ACCT=y
>+CONFIG_SPARSE_IRQ=y

Hi Scott,

I remember in previous testing that this option has a negative effect on performance.  Do we really need it to be enabled?

- Leo