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* x86: make 64 bit to use amd.cYinghai Lu2008-09-08
| | | | | | | | | | | arch/x86/kernel/cpu/amd.c is now 100% identical to arch/x86/kernel/cpu/amd_64.c, so use amd.c on 64-bit too and fix up the namespace impact. Simplify the Kconfig glue as well. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: use cpu/common.c on 64 bitYinghai Lu2008-09-05
| | | | | | | | | | | | | | | Use cpu/common.c on both 64-bit and 32-bit and remove cpu/common_64.c. We started out with this linecount: 816 arch/x86/kernel/cpu/common_64.c 805 arch/x86/kernel/cpu/common.c and the resulting common.c is 1197 lines long, so there's already 424 lines of code eliminated in this phase of the unification. Signed-off-by: Yinghai <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove cpu_vendor_devYinghai Lu2008-09-04
| | | | | | | | | | | | 1. add c_x86_vendor into cpu_dev 2. change cpu_devs to static 3. check c_x86_vendor before put that cpu_dev into array 4. remove alignment for 64bit 5. order the sequence in cpu_devs according to link sequence... so could put intel at first, then amd... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: generate names for /proc/cpuinfo from <asm/cpufeature.h>H. Peter Anvin2008-08-27
| | | | | | | | | | | | | | | | We have had a number of cases where <asm/cpufeature.h> (and its predecessors) have diverged substantially from the names list in /proc/cpuinfo. This patch generates the latter from the former. It retains the option for explicitly overriding the strings, but by making that require a separate action it should at least be less likely to happen. It would be good to do a future pass and rename strings that are gratuituously different in the kernel (/proc/cpuinfo is a userspace interface and must remain constant.) Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: configuration options to compile out x86 CPU support codeThomas Petazzoni2008-08-18
| | | | | | | | | | | | | | | | | | | | | | This patch adds some configuration options that allow to compile out CPU vendor-specific code in x86 kernels (in arch/x86/kernel/cpu). The new configuration options are only visible when CONFIG_EMBEDDED is selected, as they are mostly interesting for space savings reasons. An example of size saving, on x86 with only Intel CPU support: text data bss dec hex filename 1125479 118760 212992 1457231 163c4f vmlinux.old 1121355 116536 212992 1450883 162383 vmlinux -4124 -2224 0 -6348 -18CC +/- However, I'm not exactly sure that the Kconfig wording is correct with regard to !64BIT / 64BIT. [ mingo@elte.hu: convert macro to inline ] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: move cmpxchg fallbacks to a generic placeThomas Petazzoni2008-08-18
| | | | | | | | | | | | | | | | | arch/x86/kernel/cpu/intel.c defines a few fallback functions (cmpxchg_*()) that are used when the CPU doesn't support cmpxchg and/or cmpxchg64 natively. However, while defined in an Intel-specific file, these functions are also used for CPUs from other vendors when they don't support cmpxchg and/or cmpxchg64. This breaks the compilation when support for Intel CPUs is disabled. This patch moves these functions to a new arch/x86/kernel/cpu/cmpxchg.c file, unconditionally compiled when X86_32 is enabled. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: michael@free-electrons.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: seperate funcs from setup_64 to cpu common_64.cYinghai Lu2008-07-08
| | | | | Signed-off-by: Yinghai Lu <yhlu.kernel@mail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: move bugs_64.c to cpu/bugs_64.cHiroshi Shimamoto2008-06-03
| | | | | | | It looks good to move bugs_64.c to cpu/bugs_64.c. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: Move the 64-bit Centaur specific parts out of setup_64.cDave Jones2008-05-30
| | | | | | | | Create a separate centaur_64.c file in the cpu/ dir for the useful parts to live in. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: Move the 64-bit Intel specific parts out of setup_64.cDave Jones2008-05-30
| | | | | | | | Create a separate intel_64.c file in the cpu/ dir for the useful parts to live in. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: Move the AMD64 specific parts out of setup_64.cDave Jones2008-05-30
| | | | | | | | Create a separate amd_64.c file in the cpu/ dir for the useful parts to live in. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: remove NexGen supportDmitri Vorobiev2008-04-26
| | | | | | | | | | | | | | | | | | | | It is claimed that NexGen CPUs were never shipped: http://lkml.org/lkml/2008/4/20/179 Also, the kernel support for these chips has been broken for a long time, the code intended to support NexGen thereby being essentially dead. As an outcome of the discussion that can be found using the URL above, this patch removes the NexGen support altogether. The changes in this patch survived a defconfig build for i386, a couple of successful randconfig builds, as well as a runtime test, which consisted in booting a 32-bit x86 box up to the shell prompt. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: unify cpu/proc|_64.cHiroshi Shimamoto2008-04-17
| | | | | | | | Now cpu/proc.c and cpu/proc_64.c are same. So cpu/proc_64.c can be removed. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: split cpuinfo from setup_64.c into cpu/proc_64.cHiroshi Shimamoto2008-04-17
| | | | | | | | x86 /proc/cpuinfo code can be unified. This is the first step of unification. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: unify CPU feature string namesH. Peter Anvin2008-02-04
| | | | | | | | | | | Move the CPU feature string names to a separate file (common to 32 and 64 bits); additionally, make <asm/cpufeature.h> includable by host code in preparation for including the CPU feature strings in the boot code. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: prepare consolidation of cpu/ related MakefilesThomas Gleixner2007-10-23
| | | | | | | | | | | Prepare the makefiles in x86/kernel/cpu and x86/kernel/cpu/mcheck to be used by the x86_64 build as well. No code change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: sanitize pathes arch/x86/kernel/cpu/MakefileThomas Gleixner2007-10-11
| | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* i386: move kernel/cpuThomas Gleixner2007-10-11
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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