On Fri, 27 Apr 2007 20:53:32 +0100 Alistair John Strachan wrote: > Several people have observed that perhaps LOG_BUF_SHIFT should be in a more > obvious place than under DEBUG_KERNEL. Under some circumstances (such as the > PARISC architecture), DEBUG_KERNEL can increase kernel size, which is an > undesirable trade off for something as trivial as increasing the kernel log > buffer size. > > Instead, move LOG_BUF_SHIFT into "General Setup", so that people are more > likely to be able to change it such a circumstance that the default buffer > size is insufficient. > > Signed-off-by: Alistair John Strachan <[EMAIL PROTECTED]>
Acked-by: Randy Dunlap <[EMAIL PROTECTED]> > --- > > diff --git a/init/Kconfig b/init/Kconfig > index b170aa1..cc9eb35 100644 > --- a/init/Kconfig > +++ b/init/Kconfig > @@ -262,6 +262,23 @@ config IKCONFIG_PROC > This option enables access to the kernel configuration file > through /proc/config.gz. > > +config LOG_BUF_SHIFT > + int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" > + range 12 21 > + default 17 if S390 || LOCKDEP > + default 16 if X86_NUMAQ || IA64 > + default 15 if SMP > + default 14 > + help > + Select kernel log buffer size as a power of 2. > + Defaults and Examples: > + 17 => 128 KB for S/390 > + 16 => 64 KB for x86 NUMAQ or IA-64 > + 15 => 32 KB for SMP > + 14 => 16 KB for uniprocessor > + 13 => 8 KB > + 12 => 4 KB > + > config CPUSETS > bool "Cpuset support" > depends on SMP > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 3f3e740..de82401 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -86,23 +86,6 @@ config DEBUG_SHIRQ > Drivers ought to be able to handle interrupts coming in at those > points; some don't and need to be caught. > > -config LOG_BUF_SHIFT > - int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL > - range 12 21 > - default 17 if S390 || LOCKDEP > - default 16 if X86_NUMAQ || IA64 > - default 15 if SMP > - default 14 > - help > - Select kernel log buffer size as a power of 2. > - Defaults and Examples: > - 17 => 128 KB for S/390 > - 16 => 64 KB for x86 NUMAQ or IA-64 > - 15 => 32 KB for SMP > - 14 => 16 KB for uniprocessor > - 13 => 8 KB > - 12 => 4 KB > - > config DETECT_SOFTLOCKUP > bool "Detect Soft Lockups" > depends on DEBUG_KERNEL && !S390 > > -- --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
