Linus,
Here's a patch to the 2.5.54-bk4 snapshot that moves the Log Buffer size
to Kernel hacking, shows it only if Debugging is enabled, and uses
default values otherwise.
Please apply.
-- ~Randy
arch/alpha/Kconfig | 27 +++++++++++++++++++++++++++ arch/arm/Kconfig | 27 +++++++++++++++++++++++++++ arch/cris/Kconfig | 27 +++++++++++++++++++++++++++ arch/i386/Kconfig | 27 +++++++++++++++++++++++++++ arch/ia64/Kconfig | 27 +++++++++++++++++++++++++++ arch/m68k/Kconfig | 27 +++++++++++++++++++++++++++ arch/m68knommu/Kconfig | 27 +++++++++++++++++++++++++++ arch/mips/Kconfig | 27 +++++++++++++++++++++++++++ arch/mips64/Kconfig | 27 +++++++++++++++++++++++++++ arch/parisc/Kconfig | 27 +++++++++++++++++++++++++++ arch/ppc/Kconfig | 27 +++++++++++++++++++++++++++ arch/ppc64/Kconfig | 27 +++++++++++++++++++++++++++ arch/s390/Kconfig | 27 +++++++++++++++++++++++++++ arch/s390x/Kconfig | 27 +++++++++++++++++++++++++++ arch/sh/Kconfig | 27 +++++++++++++++++++++++++++ arch/sparc/Kconfig | 27 +++++++++++++++++++++++++++ arch/sparc64/Kconfig | 27 +++++++++++++++++++++++++++ arch/um/Kconfig | 27 +++++++++++++++++++++++++++ arch/v850/Kconfig | 27 +++++++++++++++++++++++++++ arch/x86_64/Kconfig | 27 +++++++++++++++++++++++++++ init/Kconfig | 45 --------------------------------------------- 21 files changed, 540 insertions(+), 45 deletions(-)
--- ./arch/ppc/Kconfig%LGBUF Wed Jan 1 19:23:15 2003 +++ ./arch/ppc/Kconfig Mon Jan 6 14:45:33 2003 @@ -1623,6 +1623,33 @@ config SERIAL_TEXT_DEBUG bool "Support for early boot texts over serial port" depends on 4xx || GT64260 || LOPEC || MCPN765 || PPLUS || PRPMC800 || SANDPOINT || ZX4500 + +if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif
config OCP bool --- ./arch/i386/Kconfig%LGBUF Wed Jan 1 19:21:10 2003 +++ ./arch/i386/Kconfig Mon Jan 6 14:27:33 2003 @@ -1583,6 +1583,33 @@ If you don't debug the kernel, you can say N, but we may not be able to solve problems without frame pointers.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + config X86_EXTRA_IRQS bool depends on X86_LOCAL_APIC || X86_VOYAGER --- ./arch/m68k/Kconfig%LGBUF Wed Jan 1 19:22:20 2003 +++ ./arch/m68k/Kconfig Mon Jan 6 14:42:46 2003 @@ -1805,6 +1805,33 @@ config DEBUG_BUGVERBOSE bool "Verbose BUG() reporting" depends on DEBUG_KERNEL + +if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif
endmenu
--- ./arch/sparc/Kconfig%LGBUF Wed Jan 1 19:20:49 2003 +++ ./arch/sparc/Kconfig Mon Jan 6 14:46:41 2003 @@ -1024,6 +1024,33 @@ If you say Y here, various routines which may sleep will become very noisy if they are called with a spinlock held.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/sparc64/Kconfig%LGBUF Wed Jan 1 19:23:01 2003 +++ ./arch/sparc64/Kconfig Mon Jan 6 14:47:10 2003 @@ -1661,6 +1661,33 @@ depends on STACK_DEBUG default y
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/m68knommu/Kconfig%LGBUF Wed Jan 1 19:22:32 2003 +++ ./arch/m68knommu/Kconfig Mon Jan 6 14:43:59 2003 @@ -710,6 +710,33 @@ help Disable the CPU's BDM signals.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/alpha/Kconfig%LGBUF Wed Jan 1 19:22:44 2003 +++ ./arch/alpha/Kconfig Mon Jan 6 14:40:52 2003 @@ -982,6 +982,33 @@ verbose debugging messages. If you suspect a semaphore problem or a kernel hacker asks for this option then say Y. Otherwise say N.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/cris/Kconfig%LGBUF Wed Jan 1 19:23:05 2003 +++ ./arch/cris/Kconfig Mon Jan 6 14:41:54 2003 @@ -710,6 +710,33 @@ depends on PROFILE default "2"
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/mips/Kconfig%LGBUF Wed Jan 1 19:21:58 2003 +++ ./arch/mips/Kconfig Mon Jan 6 14:44:17 2003 @@ -1235,6 +1235,33 @@ depends on SMP default "32"
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/x86_64/Kconfig%LGBUF Wed Jan 1 19:22:53 2003 +++ ./arch/x86_64/Kconfig Mon Jan 6 14:47:53 2003 @@ -701,6 +701,33 @@ to solve problems without frame pointers. Note this is normally not needed on x86-64.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/ppc64/Kconfig%LGBUF Wed Jan 1 19:22:18 2003 +++ ./arch/ppc64/Kconfig Mon Jan 6 14:45:47 2003 @@ -510,6 +510,33 @@ bool "Include PPCDBG realtime debugging" depends on DEBUG_KERNEL
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/um/Kconfig%LGBUF Wed Jan 1 19:22:00 2003 +++ ./arch/um/Kconfig Mon Jan 6 14:47:26 2003 @@ -262,5 +262,32 @@ If you're involved in UML kernel development and want to use gcov, say Y. If you're unsure, say N.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
--- ./arch/arm/Kconfig%LGBUF Wed Jan 1 19:22:17 2003 +++ ./arch/arm/Kconfig Mon Jan 6 14:41:45 2003 @@ -1180,6 +1180,33 @@ Say Y here if you want the debug print routines to direct their output to the second serial port on these devices. Saying N will cause the debug messages to appear on the first serial port. + +if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif
endmenu
--- ./arch/parisc/Kconfig%LGBUF Wed Jan 1 19:22:20 2003 +++ ./arch/parisc/Kconfig Mon Jan 6 14:44:47 2003 @@ -375,6 +375,33 @@ symbolic stack backtraces. This increases the size of the kernel somewhat, as all symbols have to be loaded into the kernel image.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/ia64/Kconfig%LGBUF Wed Jan 1 19:23:09 2003 +++ ./arch/ia64/Kconfig Mon Jan 6 14:42:34 2003 @@ -889,6 +889,33 @@ and restore instructions. It's useful for tracking down spinlock problems, but slow! If you're unsure, select N.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/mips64/Kconfig%LGBUF Wed Jan 1 19:21:38 2003 +++ ./arch/mips64/Kconfig Mon Jan 6 14:44:33 2003 @@ -678,6 +678,33 @@ depends on SMP default "64"
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/v850/Kconfig%LGBUF Wed Jan 1 19:21:53 2003 +++ ./arch/v850/Kconfig Mon Jan 6 14:47:42 2003 @@ -403,6 +403,33 @@ help Disable the CPU's BDM signals.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/s390x/Kconfig%LGBUF Wed Jan 1 19:22:05 2003 +++ ./arch/s390x/Kconfig Mon Jan 6 14:46:14 2003 @@ -342,6 +342,33 @@ help If you say Y here, various routines which may sleep will become very noisy if they are called with a spinlock held. + +if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif
endmenu
--- ./arch/sh/Kconfig%LGBUF Wed Jan 1 19:23:15 2003 +++ ./arch/sh/Kconfig Mon Jan 6 14:46:27 2003 @@ -1226,6 +1226,33 @@ when the kernel may crash or hang before the serial console is initialised. If unsure, say N.
+if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif + endmenu
source "security/Kconfig" --- ./arch/s390/Kconfig%LGBUF Wed Jan 1 19:21:48 2003 +++ ./arch/s390/Kconfig Mon Jan 6 14:46:03 2003 @@ -328,6 +328,33 @@ help If you say Y here, various routines which may sleep will become very noisy if they are called with a spinlock held. + +if DEBUG_KERNEL +config LOG_BUF_SHIFT + int "Kernel log buffer size" + default 17 if ARCH_S390 + 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 +endif + +if !DEBUG_KERNEL +config LOG_BUF_SHIFT + int + default 17 if ARCH_S390 + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 +endif
endmenu
--- ./init/Kconfig%LGBUF Mon Jan 6 11:52:14 2003 +++ ./init/Kconfig Mon Jan 6 11:55:00 2003 @@ -82,51 +82,6 @@ building a kernel for install/rescue disks or your system is very limited in memory.
-choice - prompt "Kernel log buffer size" - default LOG_BUF_SHIFT_17 if ARCH_S390 - default LOG_BUF_SHIFT_16 if X86_NUMAQ || IA64 - default LOG_BUF_SHIFT_15 if SMP - default LOG_BUF_SHIFT_14 - help - Select kernel log buffer size from this list (power of 2). - Defaults: 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) - -config LOG_BUF_SHIFT_17 - bool "128 KB" - default y if ARCH_S390 - -config LOG_BUF_SHIFT_16 - bool "64 KB" - default y if X86_NUMAQ || IA64 - -config LOG_BUF_SHIFT_15 - bool "32 KB" - default y if SMP - -config LOG_BUF_SHIFT_14 - bool "16 KB" - -config LOG_BUF_SHIFT_13 - bool "8 KB" - -config LOG_BUF_SHIFT_12 - bool "4 KB" - -endchoice - -config LOG_BUF_SHIFT - int - default 17 if LOG_BUF_SHIFT_17=y - default 16 if LOG_BUF_SHIFT_16=y - default 15 if LOG_BUF_SHIFT_15=y - default 14 if LOG_BUF_SHIFT_14=y - default 13 if LOG_BUF_SHIFT_13=y - default 12 if LOG_BUF_SHIFT_12=y - endmenu
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