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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86/i386: Put aligned stack-canary in percpu shared_aligned section
x86/i386: Make sure stack-protector segment base is cache aligned
x86: Detect stack protector for i386 builds on x86_64
x86: allow "=rm" in native_save_fl()
x86: properly annotate alternatives.c
x86: Introduce GDT_ENTRY_INIT(), initialize bad_bios_desc statically
x86, 32-bit: Use generic sys_pipe()
x86: Introduce GDT_ENTRY_INIT(), fix APM
x86: Introduce GDT_ENTRY_INIT()
x86: Introduce set_desc_base() and set_desc_limit()
x86: Remove unused patch_espfix_desc()
x86: Use get_desc_base()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (24 commits)
ACPI, x86: expose some IO-APIC routines when CONFIG_ACPI=n
x86, apic: Slim down stack usage in early_init_lapic_mapping()
x86, ioapic: Get rid of needless check and simplify ioapic_setup_resources()
x86, ioapic: Define IO_APIC_DEFAULT_PHYS_BASE constant
x86: Fix x86_model test in es7000_apic_is_cluster()
x86, apic: Move dmar_table_init() out of enable_IR()
x86, ioapic: Panic on irq-pin binding only if needed
x86/apic: Enable x2APIC without interrupt remapping under KVM
x86, apic: Drop redundant bit assignment
x86, ioapic: Throw BUG instead of NULL dereference
x86, ioapic: Introduce for_each_irq_pin() helper
x86: Remove superfluous NULL pointer check in destroy_irq()
x86/ioapic.c: unify ioapic_retrigger_irq()
x86/ioapic.c: convert __target_IO_APIC_irq to conventional for() loop
x86/ioapic.c: clean up replace_pin_at_irq_node logic and comments
x86/ioapic.c: convert replace_pin_at_irq_node to conventional for() loop
x86/ioapic.c: simplify add_pin_to_irq_node()
x86/ioapic.c: convert io_apic_level_ack_pending loop to normal for() loop
x86/ioapic.c: move lost comment to what seems like appropriate place
x86/ioapic.c: remove redundant declaration of irq_pin_list
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (25 commits)
pata_rz1000: use printk_once
ahci: kill @force_restart and refine CLO for ahci_kick_engine()
pata_cs5535: add pci id for AMD based CS5535 controllers
ahci: Add AMD SB900 SATA/IDE controller device IDs
drivers/ata: use resource_size
sata_fsl: Defer non-ncq commands when ncq commands active
libata: add SATA PMP revision information for spec 1.2
libata: fix off-by-one error in ata_tf_read_block()
ahci: Gigabyte GA-MA69VM-S2 can't do 64bit DMA
ahci: make ahci_asus_m2a_vm_32bit_only() quirk more generic
dmi: extend dmi_get_year() to dmi_get_date()
dmi: fix date handling in dmi_get_year()
libata: unbreak TPM filtering by reorganizing ata_scsi_pass_thru()
sata_sis: convert to slave_link
sata_sil24: always set protocol override for non-ATAPI data commands
libata: Export AHCI capabilities
libata: Delegate nonrot flag setting to SCSI
[libata] Add pata_rdc driver for RDC ATA devices
drivers/ata: Remove unnecessary semicolons
libata: remove spindown skipping and warning
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (105 commits)
ring-buffer: only enable ring_buffer_swap_cpu when needed
ring-buffer: check for swapped buffers in start of committing
tracing: report error in trace if we fail to swap latency buffer
tracing: add trace_array_printk for internal tracers to use
tracing: pass around ring buffer instead of tracer
tracing: make tracing_reset safe for external use
tracing: use timestamp to determine start of latency traces
tracing: Remove mentioning of legacy latency_trace file from documentation
tracing/filters: Defer pred allocation, fix memory leak
tracing: remove users of tracing_reset
tracing: disable buffers and synchronize_sched before resetting
tracing: disable update max tracer while reading trace
tracing: print out start and stop in latency traces
ring-buffer: disable all cpu buffers when one finds a problem
ring-buffer: do not count discarded events
ring-buffer: remove ring_buffer_event_discard
ring-buffer: fix ring_buffer_read crossing pages
ring-buffer: remove unnecessary cpu_relax
ring-buffer: do not swap buffers during a commit
ring-buffer: do not reset while in a commit
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (64 commits)
sched: Fix sched::sched_stat_wait tracepoint field
sched: Disable NEW_FAIR_SLEEPERS for now
sched: Keep kthreads at default priority
sched: Re-tune the scheduler latency defaults to decrease worst-case latencies
sched: Turn off child_runs_first
sched: Ensure that a child can't gain time over it's parent after fork()
sched: enable SD_WAKE_IDLE
sched: Deal with low-load in wake_affine()
sched: Remove short cut from select_task_rq_fair()
sched: Turn on SD_BALANCE_NEWIDLE
sched: Clean up topology.h
sched: Fix dynamic power-balancing crash
sched: Remove reciprocal for cpu_power
sched: Try to deal with low capacity, fix update_sd_power_savings_stats()
sched: Try to deal with low capacity
sched: Scale down cpu_power due to RT tasks
sched: Implement dynamic cpu_power
sched: Add smt_gain
sched: Update the cpu_power sum during load-balance
sched: Add SD_PREFER_SIBLING
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (60 commits)
perf tools: Avoid unnecessary work in directory lookups
perf stat: Clean up statistics calculations a bit more
perf stat: More advanced variance computation
perf stat: Use stddev_mean in stead of stddev
perf stat: Remove the limit on repeat
perf stat: Change noise calculation to use stddev
x86, perf_counter, bts: Do not allow kernel BTS tracing for now
x86, perf_counter, bts: Correct pointer-to-u64 casts
x86, perf_counter, bts: Fail if BTS is not available
perf_counter: Fix output-sharing error path
perf trace: Fix read_string()
perf trace: Print out in nanoseconds
perf tools: Seek to the end of the header area
perf trace: Fix parsing of perf.data
perf trace: Sample timestamps as well
perf_counter: Introduce new (non-)paranoia level to allow raw tracepoint access
perf trace: Sample the CPU too
perf tools: Work around strict aliasing related warnings
perf tools: Clean up warnings list in the Makefile
perf tools: Complete support for dynamic strings
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (55 commits)
arch/x86/oprofile/op_model_amd.c: fix op_amd_handle_ibs() return type
Revert "x86: oprofile/op_model_amd.c set return values for op_amd_handle_ibs()"
x86/oprofile: Small coding style fixes
x86/oprofile: Add counter reservation check for virtual counters
x86/oprofile: Implement op_x86_virt_to_phys()
oprofile: Adding switch counter to oprofile statistic variables
x86/oprofile: Implement mux_clone()
x86/oprofile: Enable multiplexing only if the model supports it
x86/oprofile: Add function has_mux() to check multiplexing support
x86/oprofile: Modify initialization of num_virt_counters
x86/oprofile: Remove unused num_virt_controls from struct op_x86_model_spec
x86/oprofile: Remove const qualifier from struct op_x86_model_spec
x86/oprofile: Moving nmi_cpu_switch() in nmi_int.c
x86/oprofile: Moving nmi_cpu_save/restore_mpx_registers() in nmi_int.c
x86/oprofile: Moving nmi_setup_cpu_mux() in nmi_int.c
x86/oprofile: Implement multiplexing setup/shutdown functions
oprofile: Grouping multiplexing code in op_model_amd.c
oprofile: Introduce op_x86_phys_to_virt()
oprofile: Grouping multiplexing code in oprof.c
oprofile: Remove oprofile_multiplexing_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (59 commits)
x86/gart: Do not select AGP for GART_IOMMU
x86/amd-iommu: Initialize passthrough mode when requested
x86/amd-iommu: Don't detach device from pt domain on driver unbind
x86/amd-iommu: Make sure a device is assigned in passthrough mode
x86/amd-iommu: Align locking between attach_device and detach_device
x86/amd-iommu: Fix device table write order
x86/amd-iommu: Add passthrough mode initialization functions
x86/amd-iommu: Add core functions for pd allocation/freeing
x86/dma: Mark iommu_pass_through as __read_mostly
x86/amd-iommu: Change iommu_map_page to support multiple page sizes
x86/amd-iommu: Support higher level PTEs in iommu_page_unmap
x86/amd-iommu: Remove old page table handling macros
x86/amd-iommu: Use 2-level page tables for dma_ops domains
x86/amd-iommu: Remove bus_addr check in iommu_map_page
x86/amd-iommu: Remove last usages of IOMMU_PTE_L0_INDEX
x86/amd-iommu: Change alloc_pte to support 64 bit address space
x86/amd-iommu: Introduce increase_address_space function
x86/amd-iommu: Flush domains if address space size was increased
x86/amd-iommu: Introduce set_dte_entry function
x86/amd-iommu: Add a gneric version of amd_iommu_flush_all_devices
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
debug lockups: Improve lockup detection, fix generic arch fallback
debug lockups: Improve lockup detection
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (102 commits)
crypto: sha-s390 - Fix warnings in import function
crypto: vmac - New hash algorithm for intel_txt support
crypto: api - Do not displace newly registered algorithms
crypto: ansi_cprng - Fix module initialization
crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx
crypto: fips - Depend on ansi_cprng
crypto: blkcipher - Do not use eseqiv on stream ciphers
crypto: ctr - Use chainiv on raw counter mode
Revert crypto: fips - Select CPRNG
crypto: rng - Fix typo
crypto: talitos - add support for 36 bit addressing
crypto: talitos - align locks on cache lines
crypto: talitos - simplify hmac data size calculation
crypto: mv_cesa - Add support for Orion5X crypto engine
crypto: cryptd - Add support to access underlaying shash
crypto: gcm - Use GHASH digest algorithm
crypto: ghash - Add GHASH digest algorithm for GCM
crypto: authenc - Convert to ahash
crypto: api - Fix aligned ctx helper
crypto: hmac - Prehash ipad/opad
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* 'kmemleak' of git://linux-arm.org/linux-2.6:
kmemleak: Improve the "Early log buffer exceeded" error message
kmemleak: fix sparse warning for static declarations
kmemleak: fix sparse warning over overshadowed flags
kmemleak: move common painting code together
kmemleak: add clear command support
kmemleak: use bool for true/false questions
kmemleak: Do no create the clean-up thread during kmemleak_disable()
kmemleak: Scan all thread stacks
kmemleak: Don't scan uninitialized memory when kmemcheck is enabled
kmemleak: Ignore the aperture memory hole on x86_64
kmemleak: Printing of the objects hex dump
kmemleak: Do not report alloc_bootmem blocks as leaks
kmemleak: Save the stack trace for early allocations
kmemleak: Mark the early log buffer as __initdata
kmemleak: Dump object information on request
kmemleak: Allow rescheduling during an object scanning
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There are cases where full date information is required instead of
just the year. Add month and day parsing to dmi_get_year() and rename
it to dmi_get_date().
As the original function only required '/' followed by any number of
parseable characters at the end of the string, keep that behavior to
avoid upsetting existing users.
The new function takes dates of format [mm[/dd]]/yy[yy]. Year, month
and date are checked to be in the ranges of [1-9999], [1-12] and
[1-31] respectively and any invalid or out-of-range component is
returned as zero.
The dummy implementation is updated accordingly but the return value
is updated to indicate field not found which is consistent with how
other dummy functions behave.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Now that SD_WAKE_IDLE doesn't make pipe-test suck anymore,
enable it by default for MC, CPU and NUMA domains.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Merge reason: move from -rc5 to -rc9.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar reported the following kmemcheck warning when running both
kmemleak and kmemcheck enabled:
PM: Adding info for No Bus:vcsa7
WARNING: kmemcheck: Caught 32-bit read from uninitialized memory
(f6f6e1a4)
d873f9f600000000c42ae4c1005c87f70000000070665f666978656400000000
i i i i u u u u i i i i i i i i i i i i i i i i i i i i i u u u
^
Pid: 3091, comm: kmemleak Not tainted (2.6.31-rc7-tip #1303) P4DC6
EIP: 0060:[<c110301f>] EFLAGS: 00010006 CPU: 0
EIP is at scan_block+0x3f/0xe0
EAX: f40bd700 EBX: f40bd780 ECX: f16b46c0 EDX: 00000001
ESI: f6f6e1a4 EDI: 00000000 EBP: f10f3f4c ESP: c2605fcc
DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
CR0: 8005003b CR2: e89a4844 CR3: 30ff1000 CR4: 000006f0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff4ff0 DR7: 00000400
[<c110313c>] scan_object+0x7c/0xf0
[<c1103389>] kmemleak_scan+0x1d9/0x400
[<c1103a3c>] kmemleak_scan_thread+0x4c/0xb0
[<c10819d4>] kthread+0x74/0x80
[<c10257db>] kernel_thread_helper+0x7/0x3c
[<ffffffff>] 0xffffffff
kmemleak: 515 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
kmemleak: 42 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
The problem here is that kmemleak will scan partially initialized
objects that makes kmemcheck complain. Fix that up by skipping
uninitialized memory regions when kmemcheck is enabled.
Reported-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into core/iommu
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Start the re-tuning of the balancer by turning on newidle.
It improves hackbench performance and parallelism on a 4x4 box.
The "perf stat --repeat 10" measurements give us:
domain0 domain1
.......................................
-SD_BALANCE_NEWIDLE -SD_BALANCE_NEWIDLE:
2041.273208 task-clock-msecs # 9.354 CPUs ( +- 0.363% )
+SD_BALANCE_NEWIDLE -SD_BALANCE_NEWIDLE:
2086.326925 task-clock-msecs # 11.934 CPUs ( +- 0.301% )
+SD_BALANCE_NEWIDLE +SD_BALANCE_NEWIDLE:
2115.289791 task-clock-msecs # 12.158 CPUs ( +- 0.263% )
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Re-organize the flag settings so that it's visible at a glance
which sched-domains flags are set and which not.
With the new balancer code we'll need to re-tune these details
anyway, so make it cleaner to make fewer mistakes down the
road ;-)
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Kernel BTS tracing generates too much data too fast for us to
handle, causing the kernel to hang.
Fail for BTS requests for kernel code.
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Acked-by: Peter Zijlstra <a.p.zjilstra@chello.nl>
LKML-Reference: <20090902140616.901253000@intel.com>
[ This is really a workaround - but we want BTS tracing in .32
so make sure we dont regress. The lockup should be fixed
ASAP. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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On 32bit, pointers in the DS AREA configuration are cast to
u64. The current (long) cast to avoid compiler warnings results
in a signed 64bit address.
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090902140615.305889000@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Reserve PERF_COUNT_HW_BRANCH_INSTRUCTIONS with sample_period ==
1 for BTS tracing and fail, if BTS is not available.
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090902140612.943801000@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Pack aligned things together into a special section to minimize
padding holes.
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Tejun Heo <tj@kernel.org>
LKML-Reference: <4AA035C0.9070202@goop.org>
[ queued up in tip:x86/asm because it depends on this commit:
x86/i386: Make sure stack-protector segment base is cache aligned ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The Intel Optimization Reference Guide says:
In Intel Atom microarchitecture, the address generation unit
assumes that the segment base will be 0 by default. Non-zero
segment base will cause load and store operations to experience
a delay.
- If the segment base isn't aligned to a cache line
boundary, the max throughput of memory operations is
reduced to one [e]very 9 cycles.
[...]
Assembly/Compiler Coding Rule 15. (H impact, ML generality)
For Intel Atom processors, use segments with base set to 0
whenever possible; avoid non-zero segment base address that is
not aligned to cache line boundary at all cost.
We can't avoid having a non-zero base for the stack-protector
segment, but we can make it cache-aligned.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: <stable@kernel.org>
LKML-Reference: <4AA01893.6000507@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Conflicts:
arch/x86/kernel/amd_iommu.c
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Conflicts:
arch/x86/kernel/amd_iommu.c
arch/x86/kernel/amd_iommu_init.c
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'amd-iommu/fault-handling' into amd-iommu/2.6.32
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There is no dependency from the gart code to the agp code.
And since a lot of systems today do not have agp anymore
remove this dependency from the kernel configuration.
Signed-off-by: Pavel Vasilyev <pavel@pavlinux.ru>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch enables the passthrough mode for AMD IOMMU by
running the initialization function when iommu=pt is passed
on the kernel command line.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch makes sure a device is not detached from the
passthrough domain when the device driver is unloaded or
does otherwise release the device.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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When the IOMMU driver runs in passthrough mode it has to
make sure that every device not assigned to an IOMMU-API
domain must be put into the passthrough domain instead of
keeping it unassigned.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch makes the locking behavior between the functions
attach_device and __attach_device consistent with the
locking behavior between detach_device and __detach_device.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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The V bit of the device table entry has to be set after the
rest of the entry is written to not confuse the hardware.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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When iommu=pt is passed on kernel command line the devices
should run untranslated. This requires the allocation of a
special domain for that purpose. This patch implements the
allocation and initialization path for iommu=pt.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch factors some code of protection domain allocation
into seperate functions. This way the logic can be used to
allocate the passthrough domain later. As a side effect this
patch fixes an unlikely domain id leakage bug.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This variable is read most of the time. This patch marks it
as such. It also documents the meaning the this variable
while at it.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch adds a map_size parameter to the iommu_map_page
function which makes it generic enough to handle multiple
page sizes. This also requires a change to alloc_pte which
is also done in this patch.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch changes fetch_pte and iommu_page_unmap to support
different page sizes too.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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These macros are not longer required. So remove them.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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The driver now supports a dynamic number of levels for IO
page tables. This allows to reduce the number of levels for
dma_ops domains by one because a dma_ops domain has usually
an address space size between 128MB and 4G.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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The driver now supports full 64 bit device address spaces.
So this check is not longer required.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This change allows to remove these old macros later.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch changes the alloc_pte function to be able to map
pages into the whole 64 bit address space supported by AMD
IOMMU hardware from the old limit of 2**39 bytes.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This function will be used to increase the address space
size of a protection domain.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Thist patch introduces the update_domain function which
propagates the larger address space of a protection domain
to the device table and flushes all relevant DTEs and the
domain TLB.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This function factors out some logic of attach_device to a
seperate function. This new function will be used to update
device table entries when necessary.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch adds a generic variant of
amd_iommu_flush_all_devices function which flushes only the
DTEs for a given protection domain.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Don't reimplement the page table walker in this function.
Use the generic one.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Instead of reimplementing existing logic use fetch_pte to
walk the page table in iommu_unmap_page.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This patch changes the fetch_pte function in the AMD IOMMU
driver to support dynamic mapping levels.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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