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    SubjectRe: [PATCH 3/6] x86: unification of i386 and x86_64 Kconfig.debug
    On 10/25/07, Sam Ravnborg <sam@ravnborg.org> wrote:
    > From 16b853f53463e43bfce341965ac10a78a3755a14 Mon Sep 17 00:00:00 2001
    > From: Randy Dunlap <rdunlap@xenotime.net>
    > Date: Wed, 24 Oct 2007 15:50:43 -0700
    > Subject: [PATCH] x86: unification of i386 and x86_64 Kconfig.debug
    >
    > Adding proper dependencies so the two Kconfig.debug files
    > are now identical.
    >
    > Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
    > Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
    > ---
    > arch/i386/Kconfig.debug | 51 ++++++++++++++++++++++++++++-------
    > arch/x86_64/Kconfig | 4 ---
    > arch/{i386 => x86_64}/Kconfig.debug | 51 ++++++++++++++++++++++++++++-------
    > 3 files changed, 82 insertions(+), 24 deletions(-)
    > copy arch/{i386 => x86_64}/Kconfig.debug (65%)
    >
    > diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
    > index f03531e..970b2de 100644
    > --- a/arch/i386/Kconfig.debug
    > +++ b/arch/i386/Kconfig.debug
    > @@ -1,14 +1,14 @@
    > menu "Kernel hacking"
    >
    > config TRACE_IRQFLAGS_SUPPORT
    > - bool
    > - default y
    > + def_bool y
    >
    > source "lib/Kconfig.debug"
    >
    > config EARLY_PRINTK
    > bool "Early printk" if EMBEDDED && DEBUG_KERNEL
    > default y
    > + depends on X86_32
    > help
    > Write kernel log output directly into the VGA buffer or to a serial
    > port.
    > @@ -37,10 +37,12 @@ config DEBUG_STACK_USAGE
    ...
    > diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
    > index 308970a..1bc0268 100644
    > --- a/arch/x86_64/Kconfig
    > +++ b/arch/x86_64/Kconfig
    > @@ -97,10 +97,6 @@ config X86_CMPXCHG
    > bool
    > default y
    >
    > -config EARLY_PRINTK
    > - bool
    > - default y
    > -
    > config GENERIC_ISA_DMA
    > bool
    > default y
    > diff --git a/arch/i386/Kconfig.debug b/arch/x86_64/Kconfig.debug
    > similarity index 65%
    > copy from arch/i386/Kconfig.debug
    > copy to arch/x86_64/Kconfig.debug
    > index f03531e..970b2de 100644
    > --- a/arch/i386/Kconfig.debug
    > +++ b/arch/x86_64/Kconfig.debug
    > @@ -1,14 +1,14 @@
    > menu "Kernel hacking"
    >
    > config TRACE_IRQFLAGS_SUPPORT
    > - bool
    > - default y
    > + def_bool y
    >
    > source "lib/Kconfig.debug"
    >
    > config EARLY_PRINTK
    > bool "Early printk" if EMBEDDED && DEBUG_KERNEL
    > default y
    > + depends on X86_32
    > help
    > Write kernel log output directly into the VGA buffer or to a serial
    > port.
    ...

    why disabling early_printk for x86_64?

    YH
    -
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