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* x86: Use .cfi_sections for assembly codeRoland McGrath2010-05-141-2/+3
| | | | | | | | | | | The newer assemblers support the .cfi_sections directive so we can put the CFI from .S files into the .debug_frame section that is preserved in unstripped vmlinux and in separate debuginfo, rather than the .eh_frame section that is now discarded by vmlinux.lds.S. Signed-off-by: Roland McGrath <roland@redhat.com> LKML-Reference: <20100514044303.A6FE7400BE@magilla.sf.frob.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86-64: Allow fbdev primary video codeDave Airlie2010-02-171-2/+0
| | | | | | | | | | | | For some reason the 64-bit tree was doing this differently and I can't see why it would need to. This correct behaviour when you have two GPUs plugged in and 32-bit put the console in one place and 64-bit in another. Signed-off-by: Dave Airlie <airlied@redhat.com> LKML-Reference: <1262847894-27498-1-git-send-email-airlied@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* Merge branch 'perf/core' into perf/probesIngo Molnar2009-11-171-1/+0
|\ | | | | | | | | | | | | | | Resolved merge conflict in tools/perf/Makefile Merge reason: we want to queue up a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: Remove STACKPROTECTOR_ALLArjan van de Ven2009-10-231-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | STACKPROTECTOR_ALL has a really high overhead (runtime and stack footprint) and is not really worth it protection wise (the normal STACKPROTECTOR is in effect for all functions with buffers already), so lets just remove the option entirely. Reported-by: Dave Jones <davej@redhat.com> Reported-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Eric Sandeen <sandeen@redhat.com> LKML-Reference: <20091023073101.3dce4ebb@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge commit 'v2.6.32-rc5' into perf/probesIngo Molnar2009-10-171-2/+2
|\| | | | | | | | | | | | | | | | | Conflicts: kernel/trace/trace_event_profile.c Merge reason: update to -rc5 and resolve conflict. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * kbuild: use INSTALLKERNEL to select customized installkernel scriptSam Ravnborg2009-09-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the use of CROSS_COMPILE to select a customized installkernel script with the possibility to set INSTALLKERNEL to select a custom installkernel script when running make: make INSTALLKERNEL=arm-installkernel install With this patch we are now more consistent across different architectures - they did not all support use of CROSS_COMPILE. The use of CROSS_COMPILE was a hack as this really belongs to gcc/binutils and the installkernel script does not change just because we change toolchain. The use of CROSS_COMPILE caused troubles with an upcoming patch that saves CROSS_COMPILE when a kernel is built - it would no longer be installable. [Thanks to Peter Z. for this hint] This patch undos what Ian did in commit: 0f8e2d62fa04441cd12c08ce521e84e5bd3f8a46 ("use ${CROSS_COMPILE}installkernel in arch/*/boot/install.sh") The patch has been lightly tested on x86 only - but all changes looks obvious. Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Mike Frysinger <vapier@gentoo.org> [blackfin] Acked-by: Russell King <linux@arm.linux.org.uk> [arm] Acked-by: Paul Mundt <lethal@linux-sh.org> [sh] Acked-by: "H. Peter Anvin" <hpa@zytor.com> [x86] Cc: Ian Campbell <icampbell@arcom.com> Cc: Tony Luck <tony.luck@intel.com> [ia64] Cc: Fenghua Yu <fenghua.yu@intel.com> [ia64] Cc: Hirokazu Takata <takata@linux-m32r.org> [m32r] Cc: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Cc: Kyle McMartin <kyle@mcmartin.ca> [parisc] Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> [powerpc] Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390] Cc: Thomas Gleixner <tglx@linutronix.de> [x86] Cc: Ingo Molnar <mingo@redhat.com> [x86] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | Merge commit 'linus/master' into tracing/kprobesFrederic Weisbecker2009-09-231-3/+5
|\| | | | | | | | | | | | | | | | | | | | | Conflicts: kernel/trace/Makefile kernel/trace/trace.h kernel/trace/trace_event_types.h kernel/trace/trace_export.c Merge reason: Sync with latest significant tracing core changes.
| * Merge branch 'x86-kbuild-for-linus' of ↵Linus Torvalds2009-09-141-2/+2
| |\ | | | | | | | | | | | | | | | | | | 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: x86: Simplify the Makefile in a minor way through use of cc-ifversion
| | * x86: Simplify the Makefile in a minor way through use of cc-ifversionFrans Pop2009-08-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Frans Pop <elendil@planet.nl> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> LKML-Reference: <200907232056.28635.elendil@planet.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | Merge branch 'x86-cpu-for-linus' of ↵Linus Torvalds2009-09-141-0/+2
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (22 commits) x86: Fix code patching for paravirt-alternatives on 486 x86, msr: change msr-reg.o to obj-y, and export its symbols x86: Use hard_smp_processor_id() to get apic id for AMD K8 cpus x86, sched: Workaround broken sched domain creation for AMD Magny-Cours x86, mcheck: Use correct cpumask for shared bank4 x86, cacheinfo: Fixup L3 cache information for AMD multi-node processors x86: Fix CPU llc_shared_map information for AMD Magny-Cours x86, msr: Fix msr-reg.S compilation with gas 2.16.1, on 32-bit too x86: Move kernel_fpu_using to irq_fpu_usable in asm/i387.h x86, msr: fix msr-reg.S compilation with gas 2.16.1 x86, msr: Export the register-setting MSR functions via /dev/*/msr x86, msr: Create _on_cpu helpers for {rw,wr}msr_safe_regs() x86, msr: Have the _safe MSR functions return -EIO, not -EFAULT x86, msr: CFI annotations, cleanups for msr-reg.S x86, asm: Make _ASM_EXTABLE() usable from assembly code x86, asm: Add 32-bit versions of the combined CFI macros x86, AMD: Disable wrongly set X86_FEATURE_LAHF_LM CPUID bit x86, msr: Rewrite AMD rd/wrmsr variants x86, msr: Add rd/wrmsr interfaces with preset registers x86: add specific support for Intel Atom architecture ...
| | * | x86: add specific support for Intel Atom architectureTobias Doerffel2009-08-231-0/+2
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add another option when selecting CPU family so the kernel can be optimized for Intel Atom CPUs. If GCC supports tuning options for Intel Atom they will be used. Signed-off-by: Tobias Doerffel <tobias.doerffel@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <1251018457-19157-1-git-send-email-tobias.doerffel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * / x86: Detect stack protector for i386 builds on x86_64Michal Schmidt2009-08-301-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stack protector support was not detected when building with ARCH=i386 on x86_64 systems: arch/x86/Makefile:80: stack protector enabled but no compiler support The "-m32" argument needs to be passed to the detection script. Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Arjan van de Ven <arjan@infradead.org> LKML-Reference: <20090829182718.10f566b1@leela> Signed-off-by: Ingo Molnar <mingo@elte.hu> --
* / x86: X86 instruction decoder build-time selftestMasami Hiramatsu2009-08-271-0/+3
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a user-space selftest of x86 instruction decoder at kernel build time. When CONFIG_X86_DECODER_SELFTEST=y, Kbuild builds a test harness of x86 instruction decoder and performs it after building vmlinux. The test compares the results of objdump and x86 instruction decoder code and check there are no differences. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Jim Keniston <jkenisto@us.ibm.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Avi Kivity <avi@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jason Baron <jbaron@redhat.com> Cc: K.Prasad <prasad@linux.vnet.ibm.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Przemysław Pawełczyk <przemyslaw@pawelczyk.it> Cc: Roland McGrath <roland@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Vegard Nossum <vegard.nossum@gmail.com> LKML-Reference: <20090813203421.31965.29006.stgit@localhost.localdomain> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
* kmemcheck: add the kmemcheck coreVegard Nossum2009-06-131-0/+5
| | | | | | | | | | | | | | | | | | | | | | General description: kmemcheck is a patch to the linux kernel that detects use of uninitialized memory. It does this by trapping every read and write to memory that was allocated dynamically (e.g. using kmalloc()). If a memory address is read that has not previously been written to, a message is printed to the kernel log. Thanks to Andi Kleen for the set_memory_4k() solution. Andrew Morton suggested documenting the shadow member of struct page. Signed-off-by: Vegard Nossum <vegardno@ifi.uio.no> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> [export kmemcheck_mark_initialized] [build fix for setup_max_cpus] Signed-off-by: Ingo Molnar <mingo@elte.hu> [rebased for mainline inclusion] Signed-off-by: Vegard Nossum <vegardno@ifi.uio.no>
* Merge branch 'x86-kbuild-for-linus' of ↵Linus Torvalds2009-06-111-17/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
| * x86: standardize Kbuild rulesSam Ravnborg2009-04-161-17/+2
| | | | | | | | | | | | | | | | | | | | | | | | Introducing this Kbuild file allow us to: make arch/x86/ And thus building all the core part of x86. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Jaswinder Singh Rajput <jaswinder@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | x86, kbuild: make "make install" not depend on vmlinuxH. Peter Anvin2009-04-171-1/+5
|/ | | | | | | | | | | | It is common to use "make install" in restricted environments which differ from the one which was actually used to build the kernel. In such environments it is highly undesirable to trigger a rebuild of any part of the system. Worse, the rebuild may be spurious, triggered by differences in the environment. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Sam Ravnborg <sam@ravnborg.org> LKML-Reference: <20090415234642.GA28531@uranus.ravnborg.org>
* x86: use targets in the boot Makefile instead of CLEAN_FILESH. Peter Anvin2009-03-121-4/+0
| | | | | | | | | | | Impact: cleanup Instead of using CLEAN_FILES in arch/x86/Makefile, add generated files to targets in arch/x86/boot/Makefile, so they will get naturally cleaned up by "make clean". Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: remove additional vestiges of the zImage/bzImage splitH. Peter Anvin2009-03-121-19/+8
| | | | | | | | | | | Impact: cleanup Remove targets that were used for zImage only, and Makefile infrastructure that was there to support the zImage/bzImage split. Reported-by: Paul Bolle <pebolle@tiscali.nl> LKML-Reference: <1236879901.24144.26.camel@test.thuisdomein> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* Merge branch 'core/percpu' into x86/coreIngo Molnar2009-02-131-7/+10
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| * stackprotector: update make rulesTejun Heo2009-02-101-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: no default -fno-stack-protector if stackp is enabled, cleanup Stackprotector make rules had the following problems. * cc support test and warning are scattered across makefile and kernel/panic.c. * -fno-stack-protector was always added regardless of configuration. Update such that cc support test and warning are contained in makefile and -fno-stack-protector is added iff stackp is turned off. While at it, prepare for 32bit support. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | x86: remove subarchitecture supportIngo Molnar2009-01-291-21/+0
| | | | | | | | | | | | | | | | | | Remove the 32-bit subarchitecture support code. All subarchitectures but Voyager have been converted. Voyager will be done later or will be removed. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | x86: remove subarchitecture support codeIngo Molnar2009-01-291-5/+0
|/ | | | | | | | Remove remaining bits of the subarchitecture code. Now that all the special platforms are runtime probed and runtime handled, we can remove these facilities. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge branch 'linus' into stackprotectorIngo Molnar2008-12-311-3/+3
|\ | | | | | | | | | | Conflicts: arch/x86/include/asm/pda.h kernel/fork.c
| * x86, um: ... and asm-x86 moveAl Viro2008-10-231-3/+3
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* | Merge branch 'linus' into stackprotectorIngo Molnar2008-10-151-29/+3
|\| | | | | | | | | | | Conflicts: arch/x86/kernel/Makefile include/asm-x86/pda.h
| * x86, RDC321x: add to mach-defaultIngo Molnar2008-07-261-5/+0
| | | | | | | | | | | | first step to add RDC321x support to the default PC architecture. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86, VisWS: turn into generic arch, remove leftover filesIngo Molnar2008-07-101-4/+0
| | | | | | | | | | | | remove leftover arch/x86/mach-visws/* files. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86, VisWS: turn into generic arch, flip over VISWS to generic archIngo Molnar2008-07-101-2/+2
| | | | | | | | | | | | | | | | | | this is the big move: flip over VISWS to generic arch support. From this commit on CONFIG_X86_VISWS is just another (default-disabled) option that turns on certain quirks - no other complications. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * Merge branch 'x86/mpparse' into x86/develIngo Molnar2008-07-081-18/+1
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/Kconfig arch/x86/kernel/io_apic_32.c arch/x86/kernel/setup_64.c arch/x86/mm/init_32.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * x86: make generic arch support NUMAQYinghai Lu2008-06-101-18/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... so it could fall back to normal numa and we'd reduce the impact of the NUMAQ subarch. NUMAQ depends on GENERICARCH also decouple genericarch numa from acpi. also make it fall back to bigsmp if apicid > 8. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * x86: extract common part of head32.c and head64.c into head.cHuang, Ying2008-06-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch extracts the common part of head32.c and head64.c into head.c. Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: andi@firstfloor.org Cc: mingo@redhat.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | x86: minor polishing to top-level arch MakefileJan Beulich2008-05-121-2/+2
| |/ | | | | | | | | | | | | | | | | Use build target when creating compatibility link, and use $(boot) where possible. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* / stackprotector: turn not having the right gcc into a #warningArjan van de Ven2008-05-261-1/+1
|/ | | | | | | | | | | | | | | | | | If the user selects the stack-protector config option, but does not have a gcc that has the right bits enabled (for example because it isn't build with a glibc that supports TLS, as is common for cross-compilers, but also because it may be too old), then the runtime test fails right now. This patch adds a warning message for this scenario. This warning accomplishes two goals 1) the user is informed that the security option he selective isn't available 2) the user is suggested to turn of the CONFIG option that won't work for him, and would make the runtime test fail anyway. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: add subarch support (for headers) to x86_64Glauber de Oliveira Costa2008-04-171-1/+0
| | | | | | | | | | this patch allows x86_64 to use subarch mach_ headers in practice, since x86_64 does not have any subarch, it will use mach_default. But it will allow for substantially less code duplication Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: introduce kernel/head32.cEric W. Biederman2008-04-171-3/+3
| | | | | | | | | | | | Copy x86_64 and add a head32.c so we can start moving early architecture initialization out of assembly. [ Sam Ravnborg <sam@ravnborg.org>: updated it to x86 ] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: fix vdso_install breaks user "make install"Sam Ravnborg2008-02-191-1/+1
| | | | | | | | | | | | I suggest to make the vdso_install step independent as in following patch. This solves the issue at ahnd and still gives us the posibility to install the files should they be needed. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86 PM: move 64-bit hibernation files to arch/x86/powerRafael J. Wysocki2008-02-091-1/+3
| | | | | | | | | | | | | | | | | | | Move arch/x86/kernel/suspend_64.c to arch/x86/power . Move arch/x86/kernel/suspend_asm_64.S to arch/x86/power as hibernate_asm_64.S . Update purpose and copyright information in arch/x86/power/suspend_64.c and arch/x86/power/hibernate_asm_64.S . Update the Makefiles in arch/x86, arch/x86/kernel and arch/x86/power to reflect the above changes. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: define OBJCOPYFLAGS explicitly for each target.Ian Campbell2008-02-041-1/+0
| | | | | | | | | Do this rather than defining a global version and overriding it in almost all cases in order to make subsequent patches simpler. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* fix directory entry in arch-x86-MakefileSteven Rostedt2008-02-011-1/+1
| | | | | | | | | | Doing a make randconfig I came across this error in the Makefile. This patch makes a directory out of arch/x86/mach-default for CONFIG_X86_RDC321X Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* KVM: Move arch dependent files to new directory arch/x86/kvm/Avi Kivity2008-01-301-0/+2
| | | | | | | This paves the way for multiple architecture support. Note that while ioapic.c could potentially be shared with ia64, it is also moved. Signed-off-by: Avi Kivity <avi@qumranet.com>
* x86: add support for the RDC R-321x SoCFlorian Fainelli2008-01-301-0/+5
| | | | | | | | | | | | This patch adds support for the RDC R-321x system-on-chip, also known as R-861x-(G). It uses the generic GPIO API and has support for the on-chip hardware watchdog. Build-fix from: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: document fdimage/isoimage completely in make helpAndi Kleen2008-01-301-8/+12
| | | | | | | | | | Add missing targets and missing options in x86 make help [ mingo@elte.hu: more whitespace cleanups ] 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: biarch support for 32 bit builds beautifiedSam Ravnborg2008-01-301-7/+4
| | | | | | | | | | | | | There were no reason to mess around with CC, AS and LD. Fixing this up avoided duplicated option for ld. A small fixlet were needed in boot/Makefile which assumed that CC were modified. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: share more options between 32 and 64 bit buildSam Ravnborg2008-01-301-4/+8
| | | | | | | | | | | | | | | | | | | | | On recommendation from Andi Kleen share a few more options between 32 and 64 bit builds. A defconfig build for i386 did not show any difference in size of text and data. The additional shared options are: -Wno-sign-compare -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: unification of arch/x86/MakefilesSam Ravnborg2008-01-301-4/+233
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unify the 32 and 64 bit specific Makefiles. The unification was simplest to do in one step although the readability of the patch suffers a bit from this. Noteworthy remarks on the unification: - The 64 bit cpu stuff should be moved to Makefile_32.cpu but I did not feel confident doing it due to subtle differences - The use of cflags-y were abandoned since we have seen one bug where we did wrong due to missing assignment to KBUILD_CFLAGS. The cc-option marcro uses KBUILD_CFLAGS. - The "No need to remake" line are deleted. It caused "make -B" to fail - For 64 bit the sub architecture stuff is not used. - The way head64.o is specified could be nicer - but it awaits the introduction of head32.o (which seems like a win to introduce for readability) - Patch is checkpatch clean Patch is tested by doing a defconfig build for i386 and x86_64 and in both cases monitoring that only relevant files were recompiled when applying the patch. [ mingo@elte.hu: build fix ] Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: correctly set UTS_MACHINE for "make ARCH=x86"Andreas Herrmann2007-11-271-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | For a kernel built with "make ARCH=x86" the following system information is displayed when running the new kernel $ uname -m x86 On some i386 systems (e.g. K7) we even have the following information $ uname -m x66 This is weird. The usual information for "uname -m" should be "x86_64" on 64-bit and "i386" or "i686" on 32-bit. This patch fixes the issue by setting UTS_MACHINE to "i386" for 32-bit kernel builds and to "x86_64" for 64-bit kernel builds. I.e., "x86" won't be used for UTS_MACHINE anymore. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andreas Herrmann <aherrman@arcor.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86: do not use $(ARCH) when not neededSam Ravnborg2007-11-121-3/+7
| | | | | | | | | | | For x86 ARCH may say i386 or x86_64 and soon x86. Rely on CONFIG_X64_32 to select between 32/64 or just hardcode the value as appropriate. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com>
* x86: move defconfig files for i386 and x86_64 to x86Sam Ravnborg2007-10-251-1/+4
| | | | | | | | | | | | 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>
* x86: move i386 and x86_64 Makefiles to arch/x86Sam Ravnborg2007-10-251-0/+13
Moving the ARCH specific Makefiles for i386 and x86_64 required a litle bit tweaking in the top-lvel Makefile. SRCARCH is now set in the top-level Makefile because we need this info to include the correct arch Makefile. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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