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2008-04-28[MIPS] Basic SPRAM supportChris Dearman3-0/+230
Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-04-28[MIPS] Reimplement clear_page/copy_pageThiemo Seufer6-862/+725
Fold the SB-1 specific implementation of clear_page/copy_page in the generic version, and rewrite that one in tlbex style. The immediate benefits: - It converts the compile-time workaround for SB-1 pass 1 prefetches to a more efficient run-time check. - It allows adjustment of loop unfolling, which helps to reduce the number of redundant cdex cache ops. - It fixes some esoteric cornercases (the cache line length calculations can go wrong, and support for 64k pages without prefetch instructions will overflow the addiu immediate). - Somewhat better guesses of "good" prefetch values. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-04-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds74-5120/+4035
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (40 commits) [SCSI] jazz_esp, sgiwd93, sni_53c710, sun3x_esp: fix platform driver hotplug/coldplug [SCSI] aic7xxx: add const [SCSI] aic7xxx: add static [SCSI] aic7xxx: Update _shipped files [SCSI] aic7xxx: teach aicasm to not emit unused debug code/data [SCSI] qla2xxx: Update version number to 8.02.01-k2. [SCSI] qla2xxx: Correct regression in relogin code. [SCSI] qla2xxx: Correct misc. endian and byte-ordering issues. [SCSI] qla2xxx: make qla2x00_issue_iocb_timeout() static [SCSI] qla2xxx: qla_os.c, make 2 functions static [SCSI] qla2xxx: Re-register FDMI information after a LIP. [SCSI] qla2xxx: Correct SRB usage-after-completion/free issues. [SCSI] qla2xxx: Correct ISP84XX verify-chip response handling. [SCSI] qla2xxx: Wakeup DPC thread to process any deferred-work requests. [SCSI] qla2xxx: Collapse RISC-RAM retrieval code during a firmware-dump. [SCSI] m68k: new mac_esp scsi driver [SCSI] zfcp: Add some statistics provided by the FCP adapter to the sysfs [SCSI] zfcp: Print some messages only during ERP [SCSI] zfcp: Wait for free SBAL during exchange config [SCSI] scsi_transport_fc: fc_user_scan correction ...
2008-04-27[SCSI] jazz_esp, sgiwd93, sni_53c710, sun3x_esp: fix platform driver ↵Kay Sievers4-1/+11
hotplug/coldplug Since commit 43cc71eed1250755986da4c0f9898f9a635cb3bf Author: Kay Sievers <kay.sievers@vrfy.org> Date: Sat Aug 18 04:40:39 2007 +0200 platform: prefix MODALIAS with "platform:" the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable SCSI platform drivers, to re-enable auto loading. [dbrownell@users.sourceforge.net: more drivers, registration fixes] [akpm@linux-foundation.org: fix sgiwd93.c] Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] aic7xxx: add constDenys Vlasenko13-66/+61
This patch adds more const keywords where appropriate. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] aic7xxx: add staticDenys Vlasenko12-257/+195
This patch adds static (and sometimes const) keywords where appropriate. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] aic7xxx: Update _shipped filesHannes Reinecke5-2544/+401
Update the precompiled sequencer code to match the latest aicasm changes. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] aic7xxx: teach aicasm to not emit unused debug code/dataHannes Reinecke7-16/+185
Add a 'count' variable to each symbol which gets increased every time the symbol is referenced. And then modify the register definition to include counts for symbols which are referenced from the source code only and not from the sequencer code. This will give us an automatic usage count for the symbols with only minimal hand-crafting. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Update version number to 8.02.01-k2.Andrew Vasquez1-1/+1
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Correct regression in relogin code.Andrew Vasquez1-1/+1
Commit 63a8651f2548c6bb5132c0b4e7dad4f57a9274db ([SCSI] qla2xxx: Correct infinite-login-retry issue.) introduced a small regression where a successful relogin would result in an fcport's loop_id to be incorrectly reset to FC_NO_LOOP_ID. Only clear-out loopid, if retries have been 'truly' exhausted. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Correct misc. endian and byte-ordering issues.Seokmann Ju4-31/+14
There were several places in the driver which could cause byte ordering problem as provided by Al Viro <viro@ZenIV.linux.org.uk>. Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: make qla2x00_issue_iocb_timeout() staticAdrian Bunk2-5/+1
This patch makes the needlessly global qla2x00_issue_iocb_timeout() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: qla_os.c, make 2 functions staticAdrian Bunk1-2/+2
This patch makes the following needlessly global functions static: - qla2x00_alloc_work() - qla2x00_post_work() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Re-register FDMI information after a LIP.Andrew Vasquez2-3/+3
Original code would (incorrectly) only re-register after a loop-down condition. Also, FDMI registration should be enabled by default. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Correct SRB usage-after-completion/free issues.Andrew Vasquez1-2/+0
The driver is incorrectly assuming that the 'sp' reference held in qla2[x00|4xx]_abort_command() is valid after the mailbox command is issued to abort the exchange. It is *not*, as the command may be completed during interrupt context before control is returned to the mailbox caller. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Correct ISP84XX verify-chip response handling.Andrew Vasquez1-1/+1
Earlier code could trigger an infinite-retry if 1st invocation returned a non-CS_COMPLETE status. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Wakeup DPC thread to process any deferred-work requests.Andrew Vasquez1-0/+4
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] qla2xxx: Collapse RISC-RAM retrieval code during a firmware-dump.Andrew Vasquez1-251/+143
Use the more efficient read-DMA'ble-buffer mailbox commands rather than reading a single word/dword at a time. We also remove a bulk of the duplicate mailbox command-handling codes in favor of more generic read-memory() routines (qla2xxx_dump_ram() and qla24xx_dump_ram()). Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] m68k: new mac_esp scsi driverFinn Thain5-12/+700
Replace the mac_esp driver with a new one based on the esp_scsi core. For esp_scsi: add support for sync transfers for the PIO mode, add a new esp_driver_ops method to get the maximum dma transfer size (like the old NCR53C9x driver), and some cleanups. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] zfcp: Add some statistics provided by the FCP adapter to the sysfsSwen Schillig2-2/+130
The new FCP adapter statistics provide a variety of information about the virtual adapter (subchannel). In order to collect this information the zfcp driver is extended to query this information. The information provided by the new FCP adapter statistics can be fetched by reading from the following files in the sysfs filesystem /sys/class/scsi_host/host<n>/seconds_active /sys/class/scsi_host/host<n>/requests /sys/class/scsi_host/host<n>/megabytes /sys/class/scsi_host/host<n>/utilization These are the statistics on a virtual adapter (subchannel) level. The information provided is raw and not modified or interpreted by any means. No interpretation or modification of the values is done by the zfcp driver. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] zfcp: Print some messages only during ERPSwen Schillig1-17/+19
When statistics are polled from sysfs, the statistics use the same commands as the adapter initialization. Change the messages printed here, so they are only printed during initialization and not for each poll of adapter data. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] zfcp: Wait for free SBAL during exchange configSwen Schillig1-1/+2
When sending a exchange config data command, wait for a free SBAL. This does not matter during adapter initialization, but this is required for pulling adapter statistics during high I/O load. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] scsi_transport_fc: fc_user_scan correctionJames Smart1-7/+53
Way back when, when the fc_user_scan routine was created, it kept some of its original logic that walked the rport list and kicked off a scan. Unfortunately, it didn't keep any of the locking around the rport list, nor did it consider the synchronous nature of the scan invoked. The result, there are some scan requests where the rport list changes, thus a subsequent scan is called on a bogus rport structure and the system NMI's. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] aha1542: minor irq handler cleanupsJeff Garzik1-16/+10
- where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] scsi_transport_spi: include sysfs.hRandy Dunlap1-0/+1
scsi_transport_spi.c needs to #include <linux/sysfs.h>: next-20080423/drivers/scsi/scsi_transport_spi.c:1467: error: implicit declaration of function 'sysfs_update_group' make[3]: *** [drivers/scsi/scsi_transport_spi.o] Error 1 Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] FlashPoint: fix off-by-one errorsAdrian Bunk1-1/+1
This patch fixes off-by-one errors in error checks (the variables are used as array indexes for arrays with MAX_SCSI_TAR resp. MAX_LUN elements) spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] aic7xxx: Update type check in aicasm grammarHannes Reinecke2-45/+66
The function type_check() in aicasm grammar code was never used properly due to a bug. This patch fixes it up and ensures it's only called if appropriate. In addition the unused 16bit instruction are disabled, but left in the code for reference. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27[SCSI] fix SLUB WARN_ONJames Bottomley1-8/+8
We're getting a WARN_ON from SLUB indicating that we're trying to free caches with in-use objects. The root cause is a new dependency in the command/sense free on unchecked_isa_dma. The WARN_ON is caused by drivers which change this in their setup after the command/sense cache is allocated. The fix is to move the allocation of this cache into scsi_add_host() so things like gdth have an opportunity to modify it between alloc and add (but *not* after). The true fix would be to move unchecked_isa_dma into the template and out of the host, so it because a truly read only variable. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-27Merge branch 'kvm-updates-2.6.26' of ↵Linus Torvalds119-638/+23723
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (147 commits) KVM: kill file->f_count abuse in kvm KVM: MMU: kvm_pv_mmu_op should not take mmap_sem KVM: SVM: remove selective CR0 comment KVM: SVM: remove now obsolete FIXME comment KVM: SVM: disable CR8 intercept when tpr is not masking interrupts KVM: SVM: sync V_TPR with LAPIC.TPR if CR8 write intercept is disabled KVM: export kvm_lapic_set_tpr() to modules KVM: SVM: sync TPR value to V_TPR field in the VMCB KVM: ppc: PowerPC 440 KVM implementation KVM: Add MAINTAINERS entry for PowerPC KVM KVM: ppc: Add DCR access information to struct kvm_run ppc: Export tlb_44x_hwater for KVM KVM: Rename debugfs_dir to kvm_debugfs_dir KVM: x86 emulator: fix lea to really get the effective address KVM: x86 emulator: fix smsw and lmsw with a memory operand KVM: x86 emulator: initialize src.val and dst.val for register operands KVM: SVM: force a new asid when initializing the vmcb KVM: fix kvm_vcpu_kick vs __vcpu_run race KVM: add ioctls to save/store mpstate KVM: Rename VCPU_MP_STATE_* to KVM_MP_STATE_* ...
2008-04-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds56-2069/+892
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (49 commits) ide-tape: remove tape->merge_stage ide-tape: mv tape->merge_stage_size tape->merge_bh_size ide-tape: mv idetape_empty_write_pipeline ide_tape_flush_merge_buffer ide-tape: mv idetape_discard_read_pipeline ide_tape_discard_merge_buffer ide-tape: make __idetape_discard_read_pipeline() of type void ide: remove now unused ide_pci_create_host_proc() ide: remove /proc/ide/ali ide-tape: improve buffer pages freeing strategy ide-tape: mv tape->pages_per_stage tape->pages_per_buffer ide-tape: mv tape->stage_size tape->buffer_size ide-tape: improve buffer allocation strategy ide: add struct ide_io_ports (take 3) ide: make ide_unregister() take 'ide_hwif_t *' as an argument (take 2) ide: sanitize ide_unregister() usage mpc8xx-ide: use ide_find_port() ide: add "noacpi" / "acpigtf" / "acpionboot" parameters gayle: add "doubler" parameter ide: add "cdrom=" and "chs=" parameters ide: add "nodma|noflush|noprobe|nowerr=" parameters ide: remove obsoleted "hdx=autotune" kernel parameter ...
2008-04-27Merge branch 'for-linus' of ↵Linus Torvalds6-244/+137
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-idle-fix * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-idle-fix: fix idle (arch, acpi and apm) and lockdep
2008-04-27Merge branch 'for-linus' of ↵Linus Torvalds1-17/+17
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: xpad - fix build failure
2008-04-27Merge branch 'for-linus' of ↵Linus Torvalds34-350/+532
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: mlx4_core: Add helper to move QP to ready-to-send mlx4_core: Add HW queues allocation helpers RDMA/nes: Remove volatile qualifier from struct nes_hw_cq.cq_vbase mlx4_core: CQ resizing should pass a 0 opcode modifier to MODIFY_CQ mlx4_core: Move kernel doorbell management into core IB/ehca: Bump version number to 0026 IB/ehca: Make some module parameters bool, update descriptions IB/ehca: Remove mr_largepage parameter IB/ehca: Move high-volume debug output to higher debug levels IB/ehca: Prevent posting of SQ WQEs if QP not in RTS IPoIB: Handle 4K IB MTU for UD (datagram) mode RDMA/nes: Fix adapter reset after PXE boot RDMA/nes: Print IPv4 addresses in a readable format RDMA/nes: Use print_mac() to format ethernet addresses for printing
2008-04-27asm/unaligned.h doesn't work well as the very first includeAl Viro2-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-27e1000e triggers sparc32 gcc bugAl Viro1-1/+1
... and isn't possible on sparc32 boxen anyway, unless somebody had done JavaStation with PCIE lately. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-27KVM: kill file->f_count abuse in kvmAl Viro2-7/+6
Use kvm own refcounting instead of playing with ->filp->f_count. That will allow to get rid of a lot of crap in anon_inode_getfd() and kill a race in kvm_dev_ioctl_create_vm() (file might have been closed immediately by another thread, so ->filp might point to already freed struct file when we get around to setting it). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: MMU: kvm_pv_mmu_op should not take mmap_semMarcelo Tosatti1-3/+0
kvm_pv_mmu_op should not take mmap_sem. All gfn_to_page() callers down in the MMU processing will take it if necessary, so as it is it can deadlock. Apparently a leftover from the days before slots_lock. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: SVM: remove selective CR0 commentJoerg Roedel1-11/+0
There is not selective cr0 intercept bug. The code in the comment sets the CR0.PG bit. But KVM sets the CR4.PG bit for SVM always to implement the paged real mode. So the 'mov %eax,%cr0' instruction does not change the CR0.PG bit. Selective CR0 intercepts only occur when a bit is actually changed. So its the right behavior that there is no intercept on this instruction. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: SVM: remove now obsolete FIXME commentJoerg Roedel1-7/+0
With the usage of the V_TPR field this comment is now obsolete. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: SVM: disable CR8 intercept when tpr is not masking interruptsJoerg Roedel1-4/+27
This patch disables the intercept of CR8 writes if the TPR is not masking interrupts. This reduces the total number CR8 intercepts to below 1 percent of what we have without this patch using Windows 64 bit guests. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: SVM: sync V_TPR with LAPIC.TPR if CR8 write intercept is disabledJoerg Roedel1-0/+12
If the CR8 write intercept is disabled the V_TPR field of the VMCB needs to be synced with the TPR field in the local apic. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: export kvm_lapic_set_tpr() to modulesJoerg Roedel1-0/+1
This patch exports the kvm_lapic_set_tpr() function from the lapic code to modules. It is required in the kvm-amd module to optimize CR8 intercepts. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: SVM: sync TPR value to V_TPR field in the VMCBJoerg Roedel1-2/+16
This patch adds syncing of the lapic.tpr field to the V_TPR field of the VMCB. With this change we can safely remove the CR8 read intercept. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: ppc: PowerPC 440 KVM implementationHollis Blanchard19-2/+3159
This functionality is definitely experimental, but is capable of running unmodified PowerPC 440 Linux kernels as guests on a PowerPC 440 host. (Only tested with 440EP "Bamboo" guests so far, but with appropriate userspace support other SoC/board combinations should work.) See Documentation/powerpc/kvm_440.txt for technical details. [stephen: build fix] Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: Add MAINTAINERS entry for PowerPC KVMHollis Blanchard1-0/+7
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: ppc: Add DCR access information to struct kvm_runHollis Blanchard1-0/+7
Device Control Registers are essentially another address space found on PowerPC 4xx processors, analogous to PIO on x86. DCRs are always 32 bits, and can be identified by a 32-bit number. We forward most DCR accesses to userspace for emulation (with the exception of CPR0 registers, which can be read directly for simplicity in timebase frequency determination). Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27ppc: Export tlb_44x_hwater for KVMHollis Blanchard1-0/+2
PowerPC 440 KVM needs to know how many TLB entries are used for the host kernel linear mapping (it does not modify these mappings when switching between guest and host execution). Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: Rename debugfs_dir to kvm_debugfs_dirHollis Blanchard3-7/+7
It's a globally exported symbol now. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: x86 emulator: fix lea to really get the effective addressAvi Kivity1-1/+1
We never hit this, since there is currently no reason to emulate lea. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27KVM: x86 emulator: fix smsw and lmsw with a memory operandAvi Kivity1-12/+17
lmsw and smsw were implemented only with a register operand. Extend them to support a memory operand as well. Fixes Windows running some display compatibility test on AMD hosts. Signed-off-by: Avi Kivity <avi@qumranet.com>