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* x86: remove irqbalance in kernel for 32 bitYinghai Lu2008-10-16
| | | | | | | | 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>
* x86: merge winchip-2 and winchip-2a cpu choicesKrzysztof Helt2008-10-13
| | | | | | | | | | | 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>
*-----. Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', ↵Ingo Molnar2008-10-12
|\ \ \ \ | | | | | | | | | | | | | | | '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
| | | | * Merge commit 'v2.6.27-rc8' into x86/setupIngo Molnar2008-10-03
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| | | | * x86 setup: remove remnants of CONFIG_VIDEO_SELECT (read: vga=)Alexey Dobriyan2008-09-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | | | | x86: additional defconfig updatesH. Peter Anvin2008-09-05
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | / / x86: update defconfigsH. Peter Anvin2008-08-27
| |/ / |/| | | | | | | | | | | | | | | | | | | | 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>
* | | Subject: devmem, x86: fix rename of CONFIG_NONPROMISC_DEVMEMIngo Molnar2008-07-20
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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> ---
* | x86: defconfig updatesIngo Molnar2008-05-12
| | | | | | | | | | | | | | | | | | | | 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>
* | e1000e: set CONFIG_E1000E=y in x86 defconfigsAuke Kok2008-05-12
| | | | | | | | | | | | | | | | | | 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>
* | x86: 64-bit defconfig remakeCyrill Gorcunov2008-05-12
|/ | | | | | | | | | 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>
* x86: add optimized inliningIngo Molnar2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | 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>
* x86, core: remove CONFIG_FORCED_INLININGHarvey Harrison2008-02-09
| | | | | | | | | 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>
* x86: Set CFQ as default in 32-bit defconfigAndi Kleen2008-01-30
| | | | | | | | | 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>
* x86: 64-bit, make sparsemem vmemmap the only memory modelChristoph Lameter2008-01-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* x86 gart: rename CONFIG_IOMMU to CONFIG_GART_IOMMUJoerg Roedel2007-10-29
| | | | | | | | | | 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>
* x86: move defconfig files for i386 and x86_64 to x86Sam Ravnborg2007-10-25
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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