| Commit message (Collapse) | Author | Age |
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Make Voyager depend on X86_32_NON_STANDARD - it is a non-standard 32-bit
SMP architecture.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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X86_GENERICARCH is a misnomer - it contains non-PC 32-bit architectures
that are not included in the default build.
Rename it to X86_32_NON_STANDARD.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Remove the subarch menu and standardize on X86_PC.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Move X86_VSMP out of the subarch menu - this way it can be enabled
together with standard PC support as well, in the same kernel.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- make X86_GENERICARCH depend X86_NON_STANDARD
- move X86_SUMMIT, X86_ES7000 and X86_BIGSMP out of the subarchitecture
menu and under this option
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Move X86_ELAN (old, NCR hw platform built on Intel CPUs) from the
subarchitecture menu to the non-standard-platform section.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Move X86_ELAN (old, AMD based web-boxes) from the subarchitecture
menu to the non-standard-platform section.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Introduce a Y/N Kconfig option for non-PC x86 platforms.
Make VisWS, RDC321 and SGI/UV depend on this.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this ISA quirk (because Voyager has no ISA support):
config ISA
bool "ISA support"
depends on !X86_VOYAGER
There's a ton of x86 hardware that does not support ISA, and because
most ISA drivers cannot auto-detect in a safe way, the convention in
the kernel has always been to not enable ISA drivers if they are not
needed.
Voyager users can do likewise - no need for a Kconfig quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this PM/ACPI Kconfig quirk:
menu "Power management and ACPI options"
depends on !X86_VOYAGER
Most of the PM features are auto-detect so they should be safe to run
on just about any hardware. (If not, those instances need fixing.)
In any case, if a kernel is built for Voyager, the power management
options can be disabled.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this Kconfig quirk:
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
depends on SMP && HOTPLUG && !X86_VOYAGER
But this exception will be moot once Voyager starts using the
generic x86 code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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If no MCE code is desired on Voyager hw then the solution
is to turn them off in the .config - and to extend the MCE
code to not initialize on Voyager.
Remove the build-time quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The lapic/ioapic code properly auto-detects and is safe to run on CPUs that
have no local APIC. (or which have their lapic turned off in the hardware)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Remove this Kconfig quirk:
config PARAVIRT
bool "Enable paravirtualization code"
depends on !X86_VOYAGER
help
Voyager support built into a kernel does not preclude paravirt support.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this quirk currently:
config KVM_GUEST
bool "KVM Guest support"
select PARAVIRT
depends on !X86_VOYAGER
Voyager support built into a kernel image does not exclude
KVM paravirt guest support - so remove this quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this build-time quirk to exclude KVM_CLOCK:
bool "KVM paravirtualized clock"
select PARAVIRT
select PARAVIRT_CLOCK
depends on !X86_VOYAGER
Voyager support built into a kernel image does not exclude
KVM paravirt clock support - so remove this quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86/Voyager has this build-time quirk:
bool "VMI Guest support"
select PARAVIRT
depends on X86_32
depends on !X86_VOYAGER
Since VMI is auto-detected (and Voyager will be auto-detected) there's no
reason for this quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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VisWS has this quirk currently:
config X86_VISWS
bool "SGI 320/540 (Visual Workstation)"
depends on X86_32 && PCI && !X86_VOYAGER && X86_MPPARSE && PCI_GODIRECT
The !Voyager quirk is unnecessary.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86/Voyager had this Kconfig quirk:
config X86_FIND_SMP_CONFIG
def_bool y
depends on X86_MPPARSE || X86_VOYAGER
Which splits off the find_smp_config() callback into a build-time quirk.
Voyager should use the existing x86_quirks.mach_find_smp_config() callback
to introduce SMP-config quirks. NUMAQ-32 and VISWS already use this.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this Kconfig quirk:
config X86_BIOS_REBOOT
bool
depends on !X86_VOYAGER
default y
Voyager should use the existing machine_ops.emergency_restart reboot
quirk mechanism instead of a build-time quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this Kconfig quirk:
depends on (X86_32 && !X86_VOYAGER) || X86_64
That is unnecessary as HT support is CPUID driven and explicitly
enumerated.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86/Voyager can boot on non-zero processors. While that can probably
be fixed by properly remapping the physical CPU IDs, keep boot_cpu_id
for now for easier transition - and expand it to all of x86.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The x86/Voyager subarch used to have this distinction between
'x86 SMP support' and 'Voyager SMP support':
config X86_SMP
bool
depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64)
This is a pointless distinction - Voyager can (and already does) use
smp_ops to implement various SMP quirks it has - and it can be extended
more to cover all the specialities of Voyager.
So remove this complication in the Kconfig space.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this Kconfig quirk for suspend/resume:
config ARCH_SUSPEND_POSSIBLE
def_bool y
depends on !X86_VOYAGER
The proper mechanism to not suspend on a piece of hardware to disable
CONFIG_SUSPEND. Remove the quirk.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager has this hibernation quirk:
config ARCH_HIBERNATION_POSSIBLE
def_bool y
depends on !SMP || !X86_VOYAGER
Hibernation is a generic facility provided on all x86 platforms. If it
is buggy on Voyager then that bug should be fixed - not worked around.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86/Voyager has this KGDB quirk:
select HAVE_ARCH_KGDB if !X86_VOYAGER
This is completely pointless - there's nothing in KGDB that cannot work
on Voyager. Remove it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Voyager and other subarchitectures have this Kconfig quirk:
select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
This is unnecessary, as KVM cleanly detects based on CPUID capabilities.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86/Voyager has this quirk for SCx200 support:
config SCx200
tristate "NatSemi SCx200 support"
depends on !X86_VOYAGER
Remove it - Voyager users can disable drivers they dont need.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Remove Voyager Kconfig quirk: just like any other hardware platform
users of Voyager systems can configure in the hardware drivers they need.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86/Voyager does not build right now and it's unclear whether it will
be cleaned up and ported to the subarch-less 32-bit x86 code - so disable
it for now.
If it's fixed we'll re-enable it - or remove it after some time. There's
a very low number of systems running development kernels on x86/Voyager
currently. (one or two on the whole planet)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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CONFIG_BROKEN has been removed from the upstream kernel years ago,
but X86_VOYAGER still had a stale reference to it - remove it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: standardize all x86 platforms on same setup code
With the preceding changes, Voyager can use the same per-cpu setup
code as all the other x86 platforms.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Conflicts:
arch/x86/kernel/acpi/boot.c
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Due to recurring issues with DMAR support on certain platforms.
There's a number of filesystem corruption incidents reported:
https://bugzilla.redhat.com/show_bug.cgi?id=479996
http://bugzilla.kernel.org/show_bug.cgi?id=12578
Provide a Kconfig option to change whether it is enabled by
default.
If disabled, it can still be reenabled by passing intel_iommu=on to the
kernel. Keep the .config option off by default.
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-By: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/include/asm/hardirq_32.h
arch/x86/include/asm/hardirq_64.h
Semantic merge:
arch/x86/include/asm/hardirq.h
[ added apic_perf_irqs field. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Make X86 SGI Ultraviolet support configurable. Saves about 13K of text size
on my modest config.
text data bss dec hex filename
6770537 1158680 694356 8623573 8395d5 vmlinux
6757492 1157664 694228 8609384 835e68 vmlinux.nouv
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/include/asm/pda.h
arch/x86/include/asm/system.h
Also, moved include/asm-x86/stackprotector.h to arch/x86/include/asm.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/include/asm/pda.h
kernel/fork.c
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Conflicts:
arch/x86/kernel/Makefile
include/asm-x86/pda.h
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streamline the stackprotector features under a single option
and make the stronger feature the one accessible.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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also enable the rodata and nx tests.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Conflicts:
include/linux/kernel_stat.h
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CONFIG_FRAME_POINTERS=y results in much better debug info for the
kernel (clear and precise backtraces), with the only drawback being
a ~1% increase in kernel size.
So offer it unconditionally and enable it by default.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: adds new Kconfig entry
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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These two IOMMUs can implement the current version of this API. So
select the API if one or both of these IOMMU drivers is selected.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits)
x86: export vector_used_by_percpu_irq
x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and()
sched: nominate preferred wakeup cpu, fix
x86: fix lguest used_vectors breakage, -v2
x86: fix warning in arch/x86/kernel/io_apic.c
sched: fix warning in kernel/sched.c
sched: move test_sd_parent() to an SMP section of sched.h
sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0
sched: activate active load balancing in new idle cpus
sched: bias task wakeups to preferred semi-idle packages
sched: nominate preferred wakeup cpu
sched: favour lower logical cpu number for sched_mc balance
sched: framework for sched_mc/smt_power_savings=N
sched: convert BALANCE_FOR_xx_POWER to inline functions
x86: use possible_cpus=NUM to extend the possible cpus allowed
x86: fix cpu_mask_to_apicid_and to include cpu_online_mask
x86: update io_apic.c to the new cpumask code
x86: Introduce topology_core_cpumask()/topology_thread_cpumask()
x86: xen: use smp_call_function_many()
x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c
...
Fixed up trivial conflict in kernel/time/tick-sched.c manually
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Conflicts:
arch/x86/kernel/io_apic.c
Merge irq/sparseirq here, to resolve conflicts.
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Impact: cleanup
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
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