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* x86, AMD IOMMU: build fixIngo Molnar2008-06-27
| | | | | | | | | | | | | | fix: arch/x86/kernel/amd_iommu_init.c:247: warning: 'struct acpi_table_header' declared inside parameter list arch/x86/kernel/amd_iommu_init.c:247: warning: its scope is only this definition or declaration, which is probably not what you want arch/x86/kernel/amd_iommu_init.c: In function 'find_last_devid_acpi': arch/x86/kernel/amd_iommu_init.c:257: error: dereferencing pointer to incomplete type arch/x86/kernel/amd_iommu_init.c:265: error: dereferencing pointer to incomplete type the AMD IOMMU code depends on ACPI facilities. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add documentation for kernel parametersJoerg Roedel2008-06-27
| | | | | | | | | | | | Add documentation for the kernel parameters introduced with this driver. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add MAINTAINERS entryJoerg Roedel2008-06-27
| | | | | | | | | | | | Add an entry to the MAINTAINERS file for AMD IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* AMD_IOMMU: call detect and initialization functions from dma codeJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the function calls to initialize the AMD IOMMU hardware and dma_ops to the generic DMA code for the x86 architecture. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: initialize dma_ops from IOMMU initialization and enable IOMMUsJoerg Roedel2008-06-27
| | | | | | | | | | | | | | This patch adds a call to the driver specific dma_ops initialization routine from the AMD IOMMU hardware initialization. Further it adds the necessary code to finally enable AMD IOMMU hardware. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add amd_iommu.h to export functions to the generic x86 dma codeJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the amd_iommu.h file which will be included in the generic code. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add dma_ops initialization functionJoerg Roedel2008-06-27
| | | | | | | | | | | | This patch adds the function to initialize the dma_ops for the AMD IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add pre-allocation of protection domainsJoerg Roedel2008-06-27
| | | | | | | | | | | | | | This patch adds a function to pre-allocate protection domains. So we don't have to allocate it on the first request for a device (which can happen in atomic mode). Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add mapping functions for coherent mappingsJoerg Roedel2008-06-27
| | | | | | | | | | | | This patch adds the dma_ops functions for coherent mappings. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add mapping functions for scatter gather listsJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the dma_ops functions for mapping and unmapping scatter gather lists. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add dma_ops mapping functions for single mappingsJoerg Roedel2008-06-27
| | | | | | | | | | | | This patch adds the dma_ops specific mapping functions for single mappings. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add generic dma_ops mapping functionsJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the generic functions to map and unmap pages to a protection domain for dma_ops usage. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions to find IOMMU device resourcesJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds functions necessary to find the IOMMU resources for a specific device. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add domain allocation and deallocation functionsJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the functions to allocate and free protection domains for the IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add address allocation and deallocation functionsJoerg Roedel2008-06-27
| | | | | | | | | | | | This patch adds the address allocator to the AMD IOMMU code. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions to initialize unity mappingsJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the functions which will initialize the unity mappings in the device page tables. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions to send IOMMU commandsJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds generic handling function as well as all functions to send specific commands to the IOMMU hardware as required by this driver. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add amd_iommu.c to MakefileJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the new amd_iommu.c file to the architecture kernel Makefile for x86. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add generic defines and structures for mapping codeJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds generic stuff used by the mapping and unmapping code for the AMD IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add kernel command line parameters for AMD IOMMUJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds two parameters to the kernel command line to control behavior of the AMD IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add early detection codeJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds code to detect an AMD IOMMU early during boot before the early detection code of other IOMMUs run. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: clue initialization code togetherJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch puts the AMD IOMMU ACPI table parsing and hardware initialization functions together to the main intialization routine. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions to parse IOMMU memory mapping requirements for ↵Joerg Roedel2008-06-27
| | | | | | | | | | | | | | | devices This patch adds the functions to parse the information about IOMMU exclusion ranges and required unity mappings for the devices handled by the IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add detect code for AMD IOMMU hardwareJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the detection of AMD IOMMU hardware provided on information from ACPI provided by the BIOS. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions for IOMMU hardware initialization from ACPIJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds functions to initialize the IOMMU hardware with information from ACPI and PCI. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add device table initialization functionsJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds functions necessary to initialize the device table from the ACPI definitions. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add command buffer (de-)allocationJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the functions to allocate and deallocate the command buffer for one IOMMU in the system. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions for programming IOMMU MMIO spaceJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the functions required to programm the IOMMU with the MMIO space. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions for mapping/unmapping the MMIO spaceJoerg Roedel2008-06-27
| | | | | | | | | | | | This patch contains two functions to map and unmap the MMIO region of an IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add amd_iommu_init.c to MakefileJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the source file amd_iommu_init.c to the kernel Makefile for the x86 architecture. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add functions to find last possible PCI device for IOMMUJoerg Roedel2008-06-27
| | | | | | | | | | | | | | This patch adds functions to find the last PCI bus/device/function the IOMMU driver has to handle. This information is used later to allocate the memory for the data structures. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add data structures to manage the IOMMUs in the systemJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the data structures which will contain the information read from the ACPI table. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add defines and structures for ACPI scanning codeJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds the required data structures and constants required to parse the ACPI table for the AMD IOMMU. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add header file for driver data structures and definesJoerg Roedel2008-06-27
| | | | | | | | | | | | | This patch adds a header file local to the AMD IOMMU driver with constants and data structures needed in the code. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, AMD IOMMU: add Kconfig entryJoerg Roedel2008-06-27
| | | | | | | | | | | | This patch adds the Kconfig entry for the AMD IOMMU driver. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: Sebastian.Biemueller@amd.com Cc: robert.richter@amd.com Cc: joro@8bytes.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Linux 2.6.26-rc8v2.6.26-rc8Linus Torvalds2008-06-24
|
* Merge branch 'release' of ↵Linus Torvalds2008-06-24
|\ | | | | | | | | | | | | | | | | 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] Eliminate NULL test after alloc_bootmem in iosapic_alloc_rte() [IA64] Handle count==0 in sn2_ptc_proc_write() [IA64] Fix boot failure on ia64/sn2
| * [IA64] Eliminate NULL test after alloc_bootmem in iosapic_alloc_rte()Julia Lawall2008-06-24
| | | | | | | | | | | | | | | | | | As noted by Akinobu Mita alloc_bootmem and related functions never return NULL and always return a zeroed region of memory. Thus a NULL test or memset after calls to these functions is unnecessary. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] Handle count==0 in sn2_ptc_proc_write()Cliff Wickman2008-06-24
| | | | | | | | | | | | | | | | | | | | | | The fix applied in e0c6d97c65e0784aade7e97b9411f245a6c543e7 "security hole in sn2_ptc_proc_write" didn't take into account the case where count==0 (which results in a buffer underrun when adding the trailing '\0'). Thanks to Andi Kleen for pointing this out. Signed-off-by: Cliff Wickman <cpw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] Fix boot failure on ia64/sn2Jes Sorensen2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | Call check_sal_cache_flush() after platform_setup() as check_sal_cache_flush() now relies on being able to call platform vector code. Problem was introduced by: 3463a93def55c309f3c0d0a8aaf216be3be42d64 "Update check_sal_cache_flush to use platform_send_ipi()" Signed-off-by: Jes Sorensen <jes@sgi.com> Tested-by: Alex Chiang: <achiang@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds2008-06-24
|\ \ | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: [GFS2] fix gfs2 block allocation (cleaned up) [GFS2] BUG: unable to handle kernel paging request at ffff81002690e000
| * | [GFS2] fix gfs2 block allocation (cleaned up)Benjamin Marzinski2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes bz 450641. This patch changes the computation for zero_metapath_length(), which it renames to metapath_branch_start(). When you are extending the metadata tree, The indirect blocks that point to the new data block must either diverge from the existing tree either at the inode, or at the first indirect block. They can diverge at the first indirect block because the inode has room for 483 pointers while the indirect blocks have room for 509 pointers, so when the tree is grown, there is some free space in the first indirect block. What metapath_branch_start() now computes is the height where the first indirect block for the new data block is located. It can either be 1 (if the indirect block diverges from the inode) or 2 (if it diverges from the first indirect block). Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
| * | [GFS2] BUG: unable to handle kernel paging request at ffff81002690e000Bob Peterson2008-06-24
| |/ | | | | | | | | | | | | | | This patch fixes bugzilla bug bz448866: gfs2: BUG: unable to handle kernel paging request at ffff81002690e000. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | Merge branch 'kvm-updates-2.6.26' of ↵Linus Torvalds2008-06-24
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: KVM: Remove now unused structs from kvm_para.h x86: KVM guest: Use the paravirt clocksource structs and functions KVM: Make kvm host use the paravirt clocksource structs x86: Make xen use the paravirt clocksource structs and functions x86: Add structs and functions for paravirt clocksource KVM: VMX: Fix host msr corruption with preemption enabled KVM: ioapic: fix lost interrupt when changing a device's irq KVM: MMU: Fix oops on guest userspace access to guest pagetable KVM: MMU: large page update_pte issue with non-PAE 32-bit guests (resend) KVM: MMU: Fix rmap_write_protect() hugepage iteration bug KVM: close timer injection race window in __vcpu_run KVM: Fix race between timer migration and vcpu migration
| * | KVM: Remove now unused structs from kvm_para.hGerd Hoffmann2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | The kvm_* structs are obsoleted by the pvclock_* ones. Now all users have been switched over and the old structs can be dropped. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | x86: KVM guest: Use the paravirt clocksource structs and functionsGerd Hoffmann2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates the kvm host code to use the pvclock structs and functions, thereby making it compatible with Xen. The patch also fixes an initialization bug: on SMP systems the per-cpu has two different locations early at boot and after CPU bringup. kvmclock must take that in account when registering the physical address within the host. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: Make kvm host use the paravirt clocksource structsGerd Hoffmann2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | This patch updates the kvm host code to use the pvclock structs. It also makes the paravirt clock compatible with Xen. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | x86: Make xen use the paravirt clocksource structs and functionsGerd Hoffmann2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates the xen guest to use the pvclock structs and helper functions. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | x86: Add structs and functions for paravirt clocksourceGerd Hoffmann2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds structs for the paravirt clocksource ABI used by both xen and kvm (pvclock-abi.h). It also adds some helper functions to read system time and wall clock time from a paravirtual clocksource (pvclock.[ch]). They are based on the xen code. They are enabled using CONFIG_PARAVIRT_CLOCK. Subsequent patches of this series will put the code in use. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: VMX: Fix host msr corruption with preemption enabledAvi Kivity2008-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Switching msrs can occur either synchronously as a result of calls to the msr management functions (usually in response to the guest touching virtualized msrs), or asynchronously when preempting a kvm thread that has guest state loaded. If we're unlucky enough to have the two at the same time, host msrs are corrupted and the machine goes kaput on the next syscall. Most easily triggered by Windows Server 2008, as it does a lot of msr switching during bootup. Signed-off-by: Avi Kivity <avi@qumranet.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-13 20:22:47 -0500