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This patch creates different clk_lookup arrays for individual machines.
These lookup arrays will be registered only if that specific machine is
current machine.
Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Define common clk_init routine in plat/clock.c for calling recalc_root_clocks.
This routine will be used for any common code across all machine families.
Whereas family specific spear*xx_clk_init routines will be used for family
specific code.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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map_info
The set_vpp() method provided by physmap passes a map_info back to
the platform code, which has little relevance as far as the platform
is concerned (this parameter is completely unused).
Instead, pass the platform_device, which can be used in the pismo
driver to retrieve some important information in a nicer way, instead
of the hack that was in place.
The empty set_vpp function in board-at572d940hf_ek.c is left untouched,
as the board/SoC is scheduled for removal.
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Tested with an ARM-1136 core tile.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Tested on a PB11-MPCore.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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To make way for tracing.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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We no longer support HIGHPTE allocations, so ptes should always be
within the kernel's direct map, and don't need pagetable walks
to convert to machine addresses.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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xen_set_pte_at and xen_clear_pte are essentially identical to
xen_set_pte, so just make them all common.
When batched set_pte and pte_clear are the same, but the unbatch operation
must be different: they need to update the two halves of the pte in
different order.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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In principle update_va_mapping is a good match for set_pte_at, since
it gets the address being mapped, which allows Xen to use its linear
pagetable mapping.
However that assumes that the pmd for the address is attached to the
current pagetable, which may not be true for a given user address space
because the kernel pmd is not shared (at least on 32-bit guests).
Normally the kernel will automatically sync a missing part of the
pagetable with the init_mm pagetable transparently via faults, but that
fails when a missing address is passed to Xen.
And while the linear pagetable mapping is very useful for 32-bit Xen
(as it avoids an explicit domain mapping), 32-bit Xen is deprecated.
64-bit Xen has all memory mapped all the time, so it makes no real
difference.
The upshot is that we should use mmu_update, since it can operate on
non-current pagetables or detached pagetables.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Xen can work out when we're doing IO mappings for itself, so we don't
need to do anything special, and the extra tests just clog things up.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
macvlan: fix panic if lowerdev in a bond
tg3: Add braces around 5906 workaround.
tg3: Fix NETIF_F_LOOPBACK error
macvlan: remove one synchronize_rcu() call
networking: NET_CLS_ROUTE4 depends on INET
irda: Fix error propagation in ircomm_lmp_connect_response()
irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
be2net: Kill set but unused variable 'req' in lancer_fw_download()
irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
isdn: capi: Use pr_debug() instead of ifdefs.
tg3: Update version to 3.119
tg3: Apply rx_discards fix to 5719/5720
...
Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] define "_sdata" symbol
pstore: Fix Kconfig dependencies for apei->pstore
pstore: fix potential logic issue in pstore read interface
pstore: fix pstore filesystem mount/remount issue
pstore: fix one type of return value in pstore
[IA64] fix build warning in arch/ia64/oprofile/backtrace.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
extable, core_kernel_data(): Make sure all archs define _sdata
core_kernel_data(): Fix architectures that do not define _sdata
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* 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc: (41 commits)
signal: trivial, fix the "timespec declared inside parameter list" warning
job control: reorganize wait_task_stopped()
ptrace: fix signal->wait_chldexit usage in task_clear_group_stop_trapping()
signal: sys_sigprocmask() needs retarget_shared_pending()
signal: cleanup sys_sigprocmask()
signal: rename signandsets() to sigandnsets()
signal: do_sigtimedwait() needs retarget_shared_pending()
signal: introduce do_sigtimedwait() to factor out compat/native code
signal: sys_rt_sigtimedwait: simplify the timeout logic
signal: cleanup sys_rt_sigprocmask()
x86: signal: sys_rt_sigreturn() should use set_current_blocked()
x86: signal: handle_signal() should use set_current_blocked()
signal: sigprocmask() should do retarget_shared_pending()
signal: sigprocmask: narrow the scope of ->siglock
signal: retarget_shared_pending: optimize while_each_thread() loop
signal: retarget_shared_pending: consider shared/unblocked signals only
signal: introduce retarget_shared_pending()
ptrace: ptrace_check_attach() should not do s/STOPPED/TRACED/
signal: Turn SIGNAL_STOP_DEQUEUED into GROUP_STOP_DEQUEUED
signal: do_signal_stop: Remove the unneeded task_clear_group_stop_pending()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (152 commits)
powerpc: Fix hard CPU IDs detection
powerpc/pmac: Update via-pmu to new syscore_ops
powerpc/kvm: Fix the build for 32-bit Book 3S (classic) processors
powerpc/kvm: Fix kvmppc_core_pending_dec
powerpc: Remove last piece of GEMINI
powerpc: Fix for Pegasos keyboard and mouse
powerpc: Make early memory scan more resilient to out of order nodes
powerpc/pseries/iommu: Cleanup ddw naming
powerpc/pseries/iommu: Find windows after kexec during boot
powerpc/pseries/iommu: Remove ddw property when destroying window
powerpc/pseries/iommu: Add additional checks when changing iommu mask
powerpc/pseries/iommu: Use correct return type in dupe_ddw_if_already_created
powerpc: Remove unused/obsolete CONFIG_XICS
misc: Add CARMA DATA-FPGA Programmer support
misc: Add CARMA DATA-FPGA Access Driver
powerpc: Make IRQ_NOREQUEST last to clear, first to set
powerpc: Integrated Flash controller device tree bindings
powerpc/85xx: Create dts of each core in CAMP mode for P1020RDB
powerpc/85xx: Fix PCIe IDSEL for Px020RDB
powerpc/85xx: P2020 DTS: re-organize dts files
...
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Conflicts:
arch/sparc/kernel/smp_32.c
With merge conflict help from Daniel Hellstrom.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
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Commit e66eed651fd1 ("list: remove prefetching from regular list
iterators") removed the include of prefetch.h from list.h, which
uncovered several cases that had apparently relied on that rather
obscure header file dependency.
So this fixes things up a bit, using
grep -L linux/prefetch.h $(git grep -l '[^a-z_]prefetchw*(' -- '*.[ch]')
grep -L 'prefetchw*(' $(git grep -l 'linux/prefetch.h' -- '*.[ch]')
to guide us in finding files that either need <linux/prefetch.h>
inclusion, or have it despite not needing it.
There are more of them around (mostly network drivers), but this gets
many core ones.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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core_kernel_data() wants to know if an address looks like kernel
data. IA64 has had _edata forever, but never needed _sdata until
now.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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It shows up on the console despite using "silent" in the bootargs, and
it's really just noise in the boot log since PM init is always called.
Signed-off-by: Sanjeev Premi <premi@ti.com>
Cc: jhnikula@gmail.com
[khilman@ti.com: minor changelog edits]
Signed-off-by: Kevin Hilman <khilman@ti.com>
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The achievable power modes of the power domains in cpuidle
depends on the system wide 'enable_off_mode' knob in debugfs.
Upon changing enable_off_mode, do not change the C-states
'valid' field but instead dynamically restrict the power modes
when entering idle.
The C-states 'valid' field is just used to enable/disable some
C-states at init and shall not be changed later on.
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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- fix single and multi-lines comments format
- removed the omap3_idle_bm_check function and replaced the test
in omap3_enter_idle_bm by the equivalent code
- re-organize omap3_enter_idle_bm code path, assign local variables
only when needed
- reword some comments
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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The current implementation defines an internal structure and a
C-states array. Using those structures is redundant to the
structs used by the cpuidle framework.
This patch provides a clean-up of the internal struct, removes the
internal C-states array, stores the data using the existing cpuidle
per C-state struct and registers the mach specific data to cpuidle
C-state driver_data (accessed using cpuidle_[gs]et_statedata).
Also removes unused macros, fields and code and compacts the repeating
code using an inline helper function.
The result is more compact and more readable code as well as
reduced data RAM usage.
Also retain C1 as the only always valid C-state and system safe state.
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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- sleep_latency and wake_latency are not used, replace them by
exit_latency which is used by cpuidle. exit_latency simply is
the sum of sleep_latency and wake_latency,
- replace threshold by target_residency,
- changed the OMAP3 specific cpuidle code accordingly,
- changed the OMAP3 board code accordingly.
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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The cpuidle states settings can be overriden by some board-
specific settings, by calling omap3_pm_init_cpuidle.
Remove the 3430SDP specific states settings registration
since the figures are identical to the default ones (in cpuidle34xx.c).
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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IBS initialization is a mix of per-core register access and per-node
pci device setup. Register access should be pinned to the cpu, but pci
setup must run with preemption enabled.
This patch better separates the code into non-/preemptible sections
and fixes sleeping with preemption disabled. See bug message below.
Fixes also freeing the eilvt entry by introducing put_eilvt().
BUG: sleeping function called from invalid context at mm/slub.c:824
in_atomic(): 1, irqs_disabled(): 0, pid: 32357, name: modprobe
INFO: lockdep is turned off.
Pid: 32357, comm: modprobe Not tainted 2.6.39-rc7+ #14
Call Trace:
[<ffffffff8104bdc8>] __might_sleep+0x112/0x117
[<ffffffff81129693>] kmem_cache_alloc_trace+0x4b/0xe7
[<ffffffff81278f14>] kzalloc.constprop.0+0x29/0x2b
[<ffffffff81278f4c>] pci_get_subsys+0x36/0x78
[<ffffffff81022689>] ? setup_APIC_eilvt+0xfb/0x139
[<ffffffff81278fa4>] pci_get_device+0x16/0x18
[<ffffffffa06c8b5d>] op_amd_init+0xd3/0x211 [oprofile]
[<ffffffffa064d000>] ? 0xffffffffa064cfff
[<ffffffffa064d298>] op_nmi_init+0x21e/0x26a [oprofile]
[<ffffffffa064d062>] oprofile_arch_init+0xe/0x26 [oprofile]
[<ffffffffa064d010>] oprofile_init+0x10/0x42 [oprofile]
[<ffffffff81002099>] do_one_initcall+0x7f/0x13a
[<ffffffff81096524>] sys_init_module+0x132/0x281
[<ffffffff814cc682>] system_call_fastpath+0x16/0x1b
Reported-by: Dave Jones <davej@redhat.com>
Cc: <stable@kernel.org> [2.6.37.x]
Signed-off-by: Robert Richter <robert.richter@amd.com>
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The sRIO controller reports errors to the core with one signal, it uses
register EPWISR to provides the core quick access to where the error
occurred. The EPWISR indicates that there are 4 interrupts sources,
port1, port2, message unit and port write receive, but the sRIO driver
does not support port2 for now, still the handler takes care of port2.
Currently the handler only clear error status without any recovery.
Signed-off-by: Shaohui Xie <b21989@freescale.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <kumar.gala@freescale.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add support for machine_check support into machine_check_e500 and
machine_check_e500mc.
Signed-off-by: Shaohui Xie <b21989@freescale.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Simultaneous FCM and GPCM or UPM operation may erroneously trigger
bus monitor timeout.
Set the local bus monitor timeout value to the maximum by setting
LBCR[BMT] = 0 and LBCR[BMTPS] = 0xF.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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To eliminate code duplication.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.591426753@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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In the case of x2apic cluster mode we can group IPI register
writes based on the cluster group instead of individual per-cpu
destination messages.
This reduces the apic register writes and reduces the amount of
IPI messages (in the best case we can reduce it by a factor of
16).
With this change, the cost of flush_tlb_others(), with the flush
tlb IPI being sent from a cpu in the socket-1 to all the logical
cpus in socket-2 (on a Westmere-EX system that has 20 logical
cpus in a socket) is 3x times better now (compared to the former
'send one-by-one' algorithm).
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.512271057@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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In the case of x2apic cluster mode, we can group IPI register
writes based on the cluster group instead of individual per-cpu
destination messages.
For this purpose, track the cpu's that belong to the same x2apic
cluster.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.421800999@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.337024125@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Use the unused probe routine in the apic driver to finalize the
apic model selection. This cleans up the
default_setup_apic_routing() and this probe routine in future
can also be used for doing any apic model specific
initialisation.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.247458931@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: daniel.blueman@gmail.com
Link: http://lkml.kernel.org/r/20110518233158.089978277@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: daniel.blueman@gmail.com
Link: http://lkml.kernel.org/r/20110518233157.994002011@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: daniel.blueman@gmail.com
Link: http://lkml.kernel.org/r/20110518233157.909013179@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: daniel.blueman@gmail.com
Link: http://lkml.kernel.org/r/20110518233157.830697056@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Introduce struct ioapic with nr_registers field.
This will pave way for consolidating different MAX_IO_APICS
arrays into it.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: daniel.blueman@gmail.com
Link: http://lkml.kernel.org/r/20110518233157.744315519@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Code flow for enabling interrupt-remapping has its own routines
for saving and restoring io-apic RTE's. ioapic suspend/resume
code flow also has similar routines. Remove the duplicate code.
Tested-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/20110518233157.673130611@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Code flow for enabling interrupt-remapping was
allocating/freeing buffers for saving/restoring io-apic RTE's.
ioapic suspend/resume code uses boot time allocated
ioapic_saved_data that is a perfect match for reuse here.
This will remove the unnecessary allocation/free of the
temporary buffers during suspend/resume of interrupt-remapping
enabled platforms aswell as paving the way for further code
consolidation.
Tested-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/20110518233157.574469296@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This allows re-using this buffer for enabling
interrupt-remapping during boot and resume. And thus allow for
consolidating the code between ioapic suspend/resume and
interrupt-remapping.
Tested-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/20110518233157.481404505@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Fix a potential deadlock when resuming; here the calling
function has disabled interrupts, so we cannot sleep.
Change the memory allocation flag from GFP_KERNEL to GFP_ATOMIC.
TODO: We can do away with this memory allocation during resume
by reusing the ioapic suspend/resume code that uses boot time
allocated buffers, but we want to keep this -stable patch
simple.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: <stable@kernel.org> # v2.6.38/39
Link: http://lkml.kernel.org/r/20110518233157.385970138@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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