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2012-09-05x86/Kconfig: Turn off DEBUG_NX_TEST module in defconfigsJosh Triplett
The x86 defconfigs include exactly one module: test_nx.ko, a special-purpose module which just exists to do evil things like executing code off the stack to see if the kernel has enabled NX support. Anyone who actually uses that module can easily enable it themselves, but the vast majority of kernel builds don't need it; disable it by default. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arjan van de Ven <arjan@linux.intel.com> Link: http://lkml.kernel.org/r/e72faf875e1172fb1cbec5e6d3cd4122df508a97.1346649518.git.josh@joshtriplett.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-05x86/Kconfig: Turn off CONFIG_BLK_DEV_RAMJosh Triplett
The vast majority of systems either use initramfs or mount a root filesystem directly from the kernel. Distros have defaulted to initramfs for years. Only highly specialized systems would use an actual filesystem-image initrd at this point, and such systems don't rely on defconfig anyway. Drop initrd support (and specifically RAM block device support) from the defconfigs. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/2521e983a63595cd7a331236d929577660f89c72.1346649518.git.josh@joshtriplett.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-05x86/Kconfig: Disable CONFIG_CRC_T10DIF in defconfigsJosh Triplett
CONFIG_CRC_T10DIF explicitly states that it exists only for use by out-of-tree modules; anything in-kernel that needs it selects it. Thus, compile it out by default. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/3aaff7a0af1320427952d411a21b8ded29747a1f.1346649518.git.josh@joshtriplett.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-05x86/Kconfig: Switch to ext4 in defconfigsJosh Triplett
The current x86 and x86-64 defconfigs do not enable ext4, which most current distributions default to. Switch the defconfigs to ext4, so they will boot on current systems without additional configuration. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/bd8a359506b7e1287c680823de16d67608ec52fe.1346649518.git.josh@joshtriplett.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-05x86/Kconfig: Update defconfigs to current results of "make savedefconfig"Josh Triplett
The x86 defconfigs have become somewhat out of date compared to the current result of "make savedefconfig". Update them to the current output, as a prelude to further defconfig changes, to avoid unrelated noise in those further changes. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/80c8a5fbeaf6cdb72fb78a016013427efee52668.1346649518.git.josh@joshtriplett.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-03-24x86/kconfig: Remove CONFIG_TR=y from the defconfigsRandy Dunlap
Remove CONFIG_TR=y from the x86 defconfigs since token ring support is antiquated and obsolete. ( I reviewed both x86 defconfigs - I didn't come up with anything else that obviously should be removed. ) Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Link: http://lkml.kernel.org/r/4F6D05CA.2050801@xenotime.net [ Twiddled the changelog a bit ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-03-23x86/kconfig: Update defconfigsIngo Molnar
Link: http://lkml.kernel.org/n/tip-ahz3d8i1vxwj0379gv4tqcru@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-09-21iommu: Rename the DMAR and INTR_REMAP config optionsSuresh Siddha
Change the CONFIG_DMAR to CONFIG_INTEL_IOMMU to be consistent with the other IOMMU options. Rename the CONFIG_INTR_REMAP to CONFIG_IRQ_REMAP to match the irq subsystem name. And define the CONFIG_DMAR_TABLE for the common ACPI DMAR routines shared by both CONFIG_INTEL_IOMMU and CONFIG_IRQ_REMAP. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: yinghai@kernel.org Cc: youquan.song@intel.com Cc: joerg.roedel@amd.com Cc: tony.luck@intel.com Cc: dwmw2@infradead.org Link: http://lkml.kernel.org/r/20110824001456.558630224@sbsiddha-desk.sc.intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-26cgroup: remove the ns_cgroupDaniel Lezcano
The ns_cgroup is an annoying cgroup at the namespace / cgroup frontier and leads to some problems: * cgroup creation is out-of-control * cgroup name can conflict when pids are looping * it is not possible to have a single process handling a lot of namespaces without falling in a exponential creation time * we may want to create a namespace without creating a cgroup The ns_cgroup was replaced by a compatibility flag 'clone_children', where a newly created cgroup will copy the parent cgroup values. The userspace has to manually create a cgroup and add a task to the 'tasks' file. This patch removes the ns_cgroup as suggested in the following thread: https://lists.linux-foundation.org/pipermail/containers/2009-June/018616.html The 'cgroup_clone' function is removed because it is no longer used. This is a userspace-visible change. Commit 45531757b45c ("cgroup: notify ns_cgroup deprecated") (merged into 2.6.27) caused the kernel to emit a printk warning users that the feature is planned for removal. Since that time we have heard from XXX users who were affected by this. Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr> Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Jamal Hadi Salim <hadi@cyberus.ca> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Acked-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-14defconfig reductionSam Ravnborg
Use the defconfig files generated by "make savedefconfig" for remaining defconfig files. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2010-08-03x86, hwmon: Package Level Thermal/Power: pkgtemp hwmon driverFenghua Yu
This patch adds a hwmon driver for package level thermal control. The driver dumps package level thermal information through sysfs interface so that upper level application (e.g. lm_sensor) can retrive the information. Instead of having the package level hwmon code in coretemp, I write a seperate driver pkgtemp because: First, package level thermal sensors include not only sensors for each core, but also sensors for uncore, memory controller or other components in the package. Logically it will be clear to have a seperate hwmon driver for package level hwmon to monitor wider range of sensors in a package. Merging package thermal driver into core thermal driver doesn't make sense and may mislead. Secondly, merging the two drivers together may cause coding mess. It's easier to include various package level sensors info if more sensor information is implemented. Coretemp code needs to consider a lot of legacy machine cases. Pkgtemp code only considers platform starting from Sandy Bridge. On a 1Sx4Cx2T Sandy Bridge platform, lm-sensors dumps the pkgtemp and coretemp: pkgtemp-isa-0000 Adapter: ISA adapter physical id 0: +33.0°C (high = +79.0°C, crit = +99.0°C) coretemp-isa-0000 Adapter: ISA adapter Core 0: +32.0°C (high = +79.0°C, crit = +99.0°C) coretemp-isa-0001 Adapter: ISA adapter Core 1: +32.0°C (high = +79.0°C, crit = +99.0°C) coretemp-isa-0002 Adapter: ISA adapter Core 2: +32.0°C (high = +79.0°C, crit = +99.0°C) coretemp-isa-0003 Adapter: ISA adapter Core 3: +32.0°C (high = +79.0°C, crit = +99.0°C) [ hpa: folded v3 patch removing improper global variable "SHOW" ] Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> LKML-Reference: <1280448826-12004-3-git-send-email-fenghua.yu@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2009-08-26tracing: Rename FTRACE_SYSCALLS for tracepointsJosh Stone
s/HAVE_FTRACE_SYSCALLS/HAVE_SYSCALL_TRACEPOINTS/g s/TIF_SYSCALL_FTRACE/TIF_SYSCALL_TRACEPOINT/g The syscall enter/exit tracing is no longer specific to just ftrace, so they now have names that reflect their tie to tracepoints instead. Signed-off-by: Josh Stone <jistone@redhat.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Jiaying Zhang <jiayingz@google.com> Cc: Martin Bligh <mbligh@google.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> LKML-Reference: <1251150194-1713-2-git-send-email-jistone@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
2009-06-10Merge branch 'x86-kbuild-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-kbuild-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (46 commits) x86, boot: add new generated files to the appropriate .gitignore files x86, boot: correct the calculation of ZO_INIT_SIZE x86-64: align __PHYSICAL_START, remove __KERNEL_ALIGN x86, boot: correct sanity checks in boot/compressed/misc.c x86: add extension fields for bootloader type and version x86, defconfig: update kernel position parameters x86, defconfig: update to current, no material changes x86: make CONFIG_RELOCATABLE the default x86: default CONFIG_PHYSICAL_START and CONFIG_PHYSICAL_ALIGN to 16 MB x86: document new bzImage fields x86, boot: make kernel_alignment adjustable; new bzImage fields x86, boot: remove dead code from boot/compressed/head_*.S x86, boot: use LOAD_PHYSICAL_ADDR on 64 bits x86, boot: make symbols from the main vmlinux available x86, boot: determine compressed code offset at compile time x86, boot: use appropriate rep string for move and clear x86, boot: zero EFLAGS on 32 bits x86, boot: set up the decompression stack as early as possible x86, boot: straighten out ranges to copy/zero in compressed/head*.S x86, boot: stylistic cleanups for boot/compressed/head_64.S ... Fixed trivial conflict in arch/x86/configs/x86_64_defconfig manually
2009-05-11x86, defconfig: update kernel position parametersH. Peter Anvin
Update CONFIG_RELOCATABLE, CONFIG_PHYSICAL_START and CONFIG_PHYSICAL_ALIGN to reflect the current defaults. [ Impact: make defconfig match Kconfig defaults ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-05-11x86, defconfig: update to current, no material changesH. Peter Anvin
Update defconfigs to reflect current configuration files. No other changes. [ Impact: updates defconfigs to match what "make defconfig" generates ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-04-28x86/irq: remove leftover code from NUMA_MIGRATE_IRQ_DESCYinghai Lu
The original feature of migrating irq_desc dynamic was too fragile and was causing problems: it caused crashes on systems with lots of cards with MSI-X when user-space irq-balancer was enabled. We now have new patches that create irq_desc according to device numa node. This patch removes the leftover bits of the dynamic balancer. [ Impact: remove dead code ] Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Rusty Russell <rusty@rustcorp.com.au> LKML-Reference: <49F654AF.8000808@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-26Merge branches 'x86/apic', 'x86/defconfig', 'x86/memtest', 'x86/mm' and ↵Ingo Molnar
'linus' into x86/core
2009-02-24x86, mce: enable machine checks in 32-bit defconfigH. Peter Anvin
Impact: defconfig change Enable MCE in the 32-bit defconfig. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-02-24x86, mce: enable machine checks in 64-bit defconfigAndi Kleen
Impact: defconfig change Enable MCE in the 64-bit defconfig. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2009-02-23x86: remove the Voyager 32-bit subarchIngo Molnar
Impact: remove unused/broken code The Voyager subarch last built successfully on the v2.6.26 kernel and has been stale since then and does not build on the v2.6.27, v2.6.28 and v2.6.29-rc5 kernels. No actual users beyond the maintainer reported this breakage. Patches were sent and most of the fixes were accepted but the discussion around how to do a few remaining issues cleanly fizzled out with no resolution and the code remained broken. In the v2.6.30 x86 tree development cycle 32-bit subarch support has been reworked and removed - and the Voyager code, beyond the build problems already known, needs serious and significant changes and probably a rewrite to support it. CONFIG_X86_VOYAGER has been marked BROKEN then. The maintainer has been notified but no patches have been sent so far to fix it. While all other subarchs have been converted to the new scheme, voyager is still broken. We'd prefer to receive patches which clean up the current situation in a constructive way, but even in case of removal there is no obstacle to add that support back after the issues have been sorted out in a mutually acceptable fashion. So remove this inactive code for now. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-13Merge branches 'x86/acpi', 'x86/asm', 'x86/cpudetect', 'x86/crashdump', ↵Ingo Molnar
'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/header-fixes', 'x86/headers' and 'x86/minor-fixes' into x86/core
2009-02-12x86, defconfig: turn off CONFIG_SCSI_ISCSI_ATTRS=yIngo Molnar
It was enabled by mistake - iscsi is not included in a typical default PC, and no other architecture has it built-in (=y) either. Turn it off. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-12x86, defconfig: turn off CONFIG_ENABLE_WARN_DEPRECATEDIngo Molnar
deprecation warnings have become rather noisy lately: drivers/i2c/i2c-core.c: In function ‘i2c_new_device’: drivers/i2c/i2c-core.c:283: warning: ‘i2c_attach_client’ is deprecated (declared at include/linux/i2c.h:434) drivers/i2c/i2c-core.c: In function ‘i2c_del_adapter’: drivers/i2c/i2c-core.c:646: warning: ‘detach_client’ is deprecated (declared at include/linux/i2c.h:154) drivers/i2c/i2c-core.c: In function ‘i2c_register_driver’: drivers/i2c/i2c-core.c:713: warning: ‘detach_client’ is deprecated (declared at include/linux/i2c.h:154) drivers/i2c/i2c-core.c: In function ‘__detach_adapter’: drivers/i2c/i2c-core.c:780: warning: ‘detach_client’ is deprecated (declared at include/linux/i2c.h:154) drivers/i2c/i2c-core.c: At top level: drivers/i2c/i2c-core.c:876: warning: ‘i2c_attach_client’ is deprecated (declared at drivers/i2c/i2c-core.c:827) drivers/i2c/i2c-core.c:876: warning: ‘i2c_attach_client’ is deprecated (declared at drivers/i2c/i2c-core.c:827) drivers/i2c/i2c-core.c:904: warning: ‘i2c_detach_client’ is deprecated (declared at drivers/i2c/i2c-core.c:879) drivers/i2c/i2c-core.c:904: warning: ‘i2c_detach_client’ is deprecated (declared at drivers/i2c/i2c-core.c:879) So turn it off for now - these reminders can obscure critical warnings. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-12x86, defconfig: update the 64-bit defconfigIngo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-12x86, defconfig: update the 32-bit defconfigIngo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-30x86: allow more than 8 cpus to be used on 32-bitYinghai Lu
X86_PC is the only remaining 'sub' architecture, so we dont need it anymore. This also cleans up a few spurious references to X86_PC in the driver space - those certainly should be X86. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-26eeprom: More consistent symbol namesJean Delvare
Now that all EEPROM drivers live in the same place, let's harmonize their symbol names. Also fix eeprom's dependencies, it definitely needs sysfs, and is no longer experimental after many years in the kernel tree. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Cc: David Brownell <dbrownell@users.sourceforge.net>
2008-12-18x86: revert CONFIG_RELOCATABLE=y defconfig changeVegard Nossum
This commit: commit 5cb04df8d3f03e37a19f2502591a84156be71772 Author: Ingo Molnar <mingo@elte.hu> Date: Sun May 4 19:49:04 2008 +0200 x86: defconfig updates changed CONFIG_RELOCATABLE from n to y, which may lead to a mismatch between the vmlinux debug information and the runtime location of the kernel, even when the bootloader does not relocate the kernel. Revert the specific change. Works for me with GRUB and qemu. Reference: http://lkml.org/lkml/2008/11/25/243 Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-11-24x86 defconfig: increase CONFIG_LOG_BUF_SHIFTIngo Molnar
Impact: double the defconfig printk buffer Booting defconfigs produces more output than 128K so the output is truncated - double it to 256K. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-16x86: remove irqbalance in kernel for 32 bitYinghai Lu
This has been deprecated for years, the user space irqbalanced utility works better with numa, has configurable policies, etc... Signed-off-by: Yinghai Lu <yhlu.kernel@gmai.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: merge winchip-2 and winchip-2a cpu choicesKrzysztof Helt
The Winchip-2 and Winchip-2A cpu choices select the same options for kernel and compiler. Merge them to save few bytes and reduce confusion. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-12Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', ↵Ingo Molnar
'x86/memory-corruption-check', 'x86/early-printk', 'x86/xsave', 'x86/ptrace-v2', 'x86/quirks', 'x86/setup', 'x86/spinlocks' and 'x86/signal' into x86/core-v2
2008-10-03Merge commit 'v2.6.27-rc8' into x86/setupIngo Molnar
2008-09-05x86: additional defconfig updatesH. Peter Anvin
Additional updates to the x86 defconfigs. The goals are, as before: - Make them usable to testers, more so than distributors or end users, both of which are likely to have their own config already. - Keep 32 and 64 bits as similar as is practical. Changes: - Use a more generic CPU type (ppro and generic, respectively). - Bump number of CPUs to 64 (few if any NR_CPUS arrays left). - Enable PAT. - Enable OPTIMIZE_INLINE. - Enable microcode update support. - Build SMT scheduler support (in addition to MC). Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-03x86 setup: remove remnants of CONFIG_VIDEO_SELECT (read: vga=)Alexey Dobriyan
Impact: cleanup Video mode selection became always possible in 2.6.23-rc1 after i386 setup code rewrite in C. Regardless, VIDEO_SELECT is stupid config option because it affects only kernel setup code, not code which always stays in memory. vga= always possible now which is good. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-08-27x86: update defconfigsH. Peter Anvin
Enable some option commonly used by testers in defconfig, including some very common device drivers and network boot support. defconfig is still not meant to be a kitchen-sink configuration. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-07-20Subject: devmem, x86: fix rename of CONFIG_NONPROMISC_DEVMEMIngo Molnar
From: Arjan van de Ven <arjan@infradead.org> Date: Sat, 19 Jul 2008 15:47:17 -0700 CONFIG_NONPROMISC_DEVMEM was a rather confusing name - but renaming it to CONFIG_PROMISC_DEVMEM causes problems on architectures that do not support this feature; this patch renames it to CONFIG_STRICT_DEVMEM, so that architectures can opt-in into it. ( the polarity of the option is still the same as it was originally; it needs to be for now to not break architectures that don't have the infastructure yet to support this feature) Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: "V.Radhakrishnan" <rk@atr-labs.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> ---
2008-05-12x86: defconfig updatesIngo Molnar
refresh 32-bit defconfig too, and update the 64-bit configs as well, the defconfig should be much more useful by default, so most of the updates are the enabling of various options. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-12e1000e: set CONFIG_E1000E=y in x86 defconfigsAuke Kok
This adds to the already default CONFIG_E1000=y in these files. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-12x86: 64-bit defconfig remakeCyrill Gorcunov
The current x86_64_defconfig contains a number of nonexistent symbols. Lets fix it. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-04-26x86: add optimized inliningIngo Molnar
add CONFIG_OPTIMIZE_INLINING=y. allow gcc to optimize the kernel image's size by uninlining functions that have been marked 'inline'. Previously gcc was forced by Linux to always-inline these functions via a gcc attribute: #define inline inline __attribute__((always_inline)) Especially when the user has already selected CONFIG_OPTIMIZE_FOR_SIZE=y this can make a huge difference in kernel image size (using a standard Fedora .config): text data bss dec hex filename 5613924 562708 3854336 10030968 990f78 vmlinux.before 5486689 562708 3854336 9903733 971e75 vmlinux.after that's a 2.3% text size reduction (!). Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-09x86, core: remove CONFIG_FORCED_INLININGHarvey Harrison
Other than the defconfigs, remove the entry in compiler-gcc4.h, Kconfig.debug and feature-removal-schedule.txt. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: Set CFQ as default in 32-bit defconfigAndi Kleen
Someone complained that the 32-bit defconfig contains AS as default IO scheduler. Change that to CFQ. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: 64-bit, make sparsemem vmemmap the only memory modelChristoph Lameter
Use sparsemem as the only memory model for UP, SMP and NUMA. Measurements indicate that DISCONTIGMEM has a higher overhead than sparsemem. And FLATMEMs benefits are minimal. So I think its best to simply standardize on sparsemem. Results of page allocator tests (test can be had via git from slab git tree branch tests) Measurements in cycle counts. 1000 allocations were performed and then the average cycle count was calculated. Order FlatMem Discontig SparseMem 0 639 665 641 1 567 647 593 2 679 774 692 3 763 967 781 4 961 1501 962 5 1356 2344 1392 6 2224 3982 2336 7 4869 7225 5074 8 12500 14048 12732 9 27926 28223 28165 10 58578 58714 58682 (Note that FlatMem is an SMP config and the rest NUMA configurations) Memory use: SMP Sparsemem ------------- Kernel size: text data bss dec hex filename 3849268 397739 1264856 5511863 541ab7 vmlinux total used free shared buffers cached Mem: 8242252 41164 8201088 0 352 11512 -/+ buffers/cache: 29300 8212952 Swap: 9775512 0 9775512 SMP Flatmem ----------- Kernel size: text data bss dec hex filename 3844612 397739 1264536 5506887 540747 vmlinux So 4.5k growth in text size vs. FLATMEM. total used free shared buffers cached Mem: 8244052 40544 8203508 0 352 11484 -/+ buffers/cache: 28708 8215344 2k growth in overall memory use after boot. NUMA discontig: text data bss dec hex filename 3888124 470659 1276504 5635287 55fcd7 vmlinux total used free shared buffers cached Mem: 8256256 56908 8199348 0 352 11496 -/+ buffers/cache: 45060 8211196 Swap: 9775512 0 9775512 NUMA sparse: text data bss dec hex filename 3896428 470659 1276824 5643911 561e87 vmlinux 8k text growth. Given that we fully inline virt_to_page and friends now that is rather good. total used free shared buffers cached Mem: 8264720 57240 8207480 0 352 11516 -/+ buffers/cache: 45372 8219348 Swap: 9775512 0 9775512 The total available memory is increased by 8k. This patch makes sparsemem the default and removes discontig and flatmem support from x86. [ akpm@linux-foundation.org: allnoconfig build fix ] Acked-by: Andi Kleen <ak@suse.de> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-30x86 gart: rename CONFIG_IOMMU to CONFIG_GART_IOMMUJoerg Roedel
This patch renames the IOMMU config option to GART_IOMMU because in fact it means the GART and not general support for an IOMMU on x86. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-25x86: move defconfig files for i386 and x86_64 to x86Sam Ravnborg
With some small changes to kconfig makefile we can now locate the defconfig files for i386 and x86_64 in the configs/ subdirectory under x86. make ARCH=i386 defconfig and make defconfig works as expected also after this change. But arch maintainers shall now update a defconfig file in the configs/ directory. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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