- 22 3月, 2018 3 次提交
-
-
由 Peter Maydell 提交于
Pull request # gpg: Signature made Wed 21 Mar 2018 14:37:05 GMT # gpg: using RSA key DAE8E10975969CE5 # gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" # gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" # Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5 * remotes/elmarco/tags/dump-pull-request: dump-guest-memory: more descriptive lookup_type failure dump.c: allow fd_write_vmcore to return errno on failure Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Peter Maydell 提交于
Merge tpm 2018/03/21 v1 # gpg: Signature made Wed 21 Mar 2018 12:02:06 GMT # gpg: using RSA key 75AD65802A0B4211 # gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211 * remotes/stefanberger/tags/pull-tpm-2018-03-21-1: tpm: CRB: query backend for TPM established flag tpm: CRB: reset locAssigned upon relinquishing locality tpm: CRB: set registers to 0 by default tpm: CRB: Set tpmRegValidSts flag to '1' in device reset Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Peter Maydell 提交于
# gpg: Signature made Tue 20 Mar 2018 20:43:37 GMT # gpg: using RSA key F30C38BD3F2FBE3C # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" # gpg: aka "Laurent Vivier <laurent@vivier.eu>" # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier2/tags/linux-user-for-2.12-pull-request: linux-user: init_guest_space: Try to make ARM space+commpage continuous Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
- 21 3月, 2018 9 次提交
-
-
由 Andrew Jones 提交于
We've seen a few reports of (gdb) source /usr/share/qemu-kvm/dump-guest-memory.py Traceback (most recent call last): File "/usr/share/qemu-kvm/dump-guest-memory.py", line 19, in <module> UINTPTR_T = gdb.lookup_type("uintptr_t") gdb.error: No type named uintptr_t. This occurs when symbols haven't been loaded first, i.e. neither a QEMU binary was loaded nor a QEMU process was attached first. Let's better inform the user of how to fix the issue themselves in order to avoid more reports. Acked-by: NJanosch Frank <frankja@linux.vnet.ibm.com> Signed-off-by: NAndrew Jones <drjones@redhat.com> Message-Id: <20180314153820.18426-1-drjones@redhat.com> Reviewed-by: NFam Zheng <famz@redhat.com> Tested-by: NFam Zheng <famz@redhat.com> Reviewed-by: NLaszlo Ersek <lersek@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
-
由 Yasmin Beatriz 提交于
fd_write_vmcore can fail to execute for a lot of reasons that can be retrieved by errno, but it only returns -1. This makes difficult for the caller to know what happened and only a generic error message is propagated back to the user. This is an example using dump-guest-memory: (qemu) dump-guest-memory /home/yasmin/mnt/test.dump dump: failed to save memory All callers of fd_write_vmcore of dump.c does error handling via error_setg(), so at first it seems feasible to add the Error pointer as an argument of fd_write_vmcore. This proved to be more complex than it first looked. fd_write_vmcore is used by write_elf64_notes and write_elf32_notes as a WriteCoreDumpFunction prototype. WriteCoreDumpFunction is declared in include/qom/cpu.h and is used all around the code. This leaves us with few alternatives: - change the WriteCoreDumpFunction prototype to include an error pointer. This would require to change all functions that implements this prototype to also receive an Error pointer; - change both write_elf64_notes and write_elf32_notes to no use the WriteCoreDumpFunction. These functions use not only fd_write_vmcore but also buf_write_note, so this would require to change buf_write_note to handle an Error pointer. Considerable easier than the alternative above, but it's still a lot of code just for the benefit of the callers of fd_write_vmcore. This patch presents an easier solution that benefits all fd_write_vmcore callers: - instead of returning -1 on error, return -errno. All existing callers already checks for ret < 0 so there is no need to change the caller's logic too much. This also allows the retrieval of the errno. - all callers were updated to use error_setg_errno instead of just errno_setg. Now that fd_write_vmcore can return an errno, let's update all callers so they can benefit from a more detailed error message. This is the same dump-guest-memory example with this patch applied: (qemu) dump-guest-memory /home/yasmin/mnt/test.dump dump: failed to save memory: No space left on device (qemu) This example illustrates an error of fd_write_vmcore when called from write_data. All other callers will benefit from better error messages as well. Reported-by: yilzhang@redhat.com Cc: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com> Signed-off-by: NYasmin Beatriz <yasmins@linux.vnet.ibm.com> Signed-off-by: NDaniel Henrique Barboza <danielhb@linux.vnet.ibm.com> Message-Id: <20180212142506.28445-2-danielhb@linux.vnet.ibm.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
-
由 Stefan Berger 提交于
Signed-off-by: NStefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
-
由 Stefan Berger 提交于
Signed-off-by: NStefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
-
由 Stefan Berger 提交于
Initialize all registers of the CRB device to 0. This clears a few flags upon a reset. Signed-off-by: NStefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
-
由 Stefan Berger 提交于
Fix the initialization of the tpmRegValidSts flag and set it to '1' during device reset without expecting a write to another register. This seems to also be the default behavior of real hardware. Signed-off-by: NStefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
-
由 Peter Maydell 提交于
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Peter Maydell 提交于
HMP fixes for 2.12 # gpg: Signature made Tue 20 Mar 2018 12:39:24 GMT # gpg: using RSA key 0516331EBC5BFDE7 # gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" # Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7 * remotes/dgilbert/tags/pull-hmp-20180320: hmp: free sev info HMP: Initialize err before using Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Luke Shumaker 提交于
At a fixed distance after the usable memory that init_guest_space maps, for 32-bit ARM targets we also need to map a commpage. The normal init_guest_space logic doesn't keep this in mind when searching for an address range. If !host_start, then try to find a big continuous segment where we can put both the usable memory and the commpage; we then munmap that segment and set current_start to that address; and let the normal code mmap the usable memory and the commpage separately. That is: if we don't have hint of where to start looking for memory, come up with one that is better than NULL. Depending on host_size and guest_start, there may or may not be a gap between the usable memory and the commpage, so this is slightly more restrictive than it needs to be; but it's only a hint, so that's OK. We only do that for !host start, because if host_start, then either: - we got an address passed in with -B, in which case we don't want to interfere with what the user said; - or host_start is based off of the ELF image's loaddr. The check "if (host_start && real_start != current_start)" suggests that we really want lowest available address that is >= loaddr. I don't know why that is, but I'm trusting that Paul Brook knew what he was doing when he wrote the original version of that check in c581deda way back in 2010. Signed-off-by: NLuke Shumaker <lukeshu@parabola.nu> Message-Id: <20171228180814.9749-11-lukeshu@lukeshu.com> Signed-off-by: NLaurent Vivier <laurent@vivier.eu>
-
- 20 3月, 2018 28 次提交
-
-
由 Peter Maydell 提交于
virtio,vhost,pci,pc: features, cleanups SRAT tables for DIMM devices new virtio net flags for speed/duplex post-copy migration support in vhost cleanups in pci Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 20 Mar 2018 14:40:43 GMT # gpg: using RSA key 281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (51 commits) postcopy shared docs libvhost-user: Claim support for postcopy postcopy: Allow shared memory vhost: Huge page align and merge vhost+postcopy: Wire up POSTCOPY_END notify vhost-user: Add VHOST_USER_POSTCOPY_END message libvhost-user: mprotect & madvises for postcopy vhost+postcopy: Call wakeups vhost+postcopy: Add vhost waker postcopy: postcopy_notify_shared_wake postcopy: helper for waking shared vhost+postcopy: Resolve client address postcopy-ram: add a stub for postcopy_request_shared_page vhost+postcopy: Helper to send requests to source for shared pages vhost+postcopy: Stash RAMBlock and offset vhost+postcopy: Send address back to qemu libvhost-user+postcopy: Register new regions with the ufd migration/ram: ramblock_recv_bitmap_test_byte_offset postcopy+vhost-user: Split set_mem_table for postcopy vhost+postcopy: Transmit 'listen' to slave ... Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> # Conflicts: # scripts/update-linux-headers.sh
-
由 Dr. David Alan Gilbert 提交于
Add some notes to the migration documentation for shared memory postcopy. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Tell QEMU we understand the protocol features needed for postcopy. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Now that we have the mechanisms in here, allow shared memory in a postcopy. Note that QEMU can't tell who all the users of shared regions are and thus can't tell whether all the users of the shared regions have appropriate support for postcopy. Those devices that explicitly support shared memory (e.g. vhost-user) must check, but it doesn't stop weirder configurations causing problems. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Align RAMBlocks to page size alignment, and adjust the merging code to deal with partial overlap due to that alignment. This is needed for postcopy so that we can place/fetch whole hugepages when under userfault. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Wire up a call to VHOST_USER_POSTCOPY_END message to the vhost clients right before we ask the listener thread to shutdown. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
This message is sent just before the end of postcopy to get the client to stop using userfault since we wont respond to any more requests. It should close userfaultfd so that any other pages get mapped to the backing file automatically by the kernel, since at this point we know we've received everything. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Clear the area and turn off THP. PROT_NONE the area until after we've userfault advised it to catch any unexpected changes. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Cause the vhost-user client to be woken up whenever: a) We place a page in postcopy mode b) We get a fault and the page has already been received Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Register a waker function in vhost-user code to be notified when pages arrive or requests to previously mapped pages get requested. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Add a hook to allow a client userfaultfd to be 'woken' when a page arrives, and a walker that calls that hook for relevant clients given a RAMBlock and offset. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Provide a helper to send a 'wake' request on a userfaultfd for a shared process. The address in the clients address space is specified together with the RAMBlock it was resolved to. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Resolve fault addresses read off the clients UFD into RAMBlock and offset, and call back to the postcopy code to ask for the page. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Michael S. Tsirkin 提交于
This fixes the build on systems without userfaultfd. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Peter Maydell 提交于
# gpg: Signature made Tue 20 Mar 2018 09:07:55 GMT # gpg: using RSA key F30C38BD3F2FBE3C # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" # gpg: aka "Laurent Vivier <laurent@vivier.eu>" # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier/tags/m68k-for-2.12-pull-request: target/m68k: add a mechanism to automatically free TCGv target/m68k: add DisasContext parameter to gen_extend() Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Peter Maydell 提交于
Machine and x86 queue, 2018-03-19 * cpu_model/cpu_type cleanups * x86: Fix on Intel Processor Trace CPUID checks # gpg: Signature made Mon 19 Mar 2018 20:07:14 GMT # gpg: using RSA key 2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/machine-next-pull-request: i386: Disable Intel PT if packets IP payloads have LIP values cpu: drop unnecessary NULL check and cpu_common_class_by_name() cpu: get rid of unused cpu_init() defines Use cpu_create(type) instead of cpu_init(cpu_model) cpu: add CPU_RESOLVING_TYPE macro tests: add machine 'none' with -cpu test nios2: 10m50_devboard: replace cpu_model with cpu_type Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Marc-André Lureau 提交于
Found thanks to ASAN: Direct leak of 16 byte(s) in 1 object(s) allocated from: #0 0x7efe20417a38 in __interceptor_calloc (/lib64/libasan.so.4+0xdea38) #1 0x7efe1f7b2f75 in g_malloc0 ../glib/gmem.c:124 #2 0x7efe1f7b3249 in g_malloc0_n ../glib/gmem.c:355 #3 0x558272879162 in sev_get_info /home/elmarco/src/qemu/target/i386/sev.c:414 #4 0x55827285113b in hmp_info_sev /home/elmarco/src/qemu/target/i386/monitor.c:684 #5 0x5582724043b8 in handle_hmp_command /home/elmarco/src/qemu/monitor.c:3333 Fixes: 63036314Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180319175823.22111-1-marcandre.lureau@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
-
由 zhangjixiang 提交于
When bdrv_snapshot_delete return fail, the errp will not be assigned a valid value in error_propagate as errp didn't be initialized in hmp_delvm, then error_reportf_err will use an uninitialized value(call by hmp_delvm), and qemu crash. Signed-off-by: Nzhangjixiang <jixiang_zhang@h3c.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
-
由 Michael Clark 提交于
This version uses a constant size memory buffer sized for the maximum possible ISA string length. It also uses g_new instead of g_new0, uses more efficient logic to append extensions and adds manual zero termination of the string. Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: NMichael Clark <mjc@sifive.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> [PMM: Use qemu_tolower() rather than tolower()] Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Peter Maydell 提交于
qapi patches for 2018-03-12, 2.12 softfreeze - Marc-André Lureau: 0/4 qapi: generate a literal qobject for introspection - Max Reitz: 0/7 block: Handle null backing link - Daniel P. Berrange: chardev: tcp: postpone TLS work until machine done - Peter Xu: 00/23 QMP: out-of-band (OOB) execution support - Vladimir Sementsov-Ogievskiy: 0/2 block latency histogram - Eric Blake: qapi: Pass '-u' when doing non-silent diff # gpg: Signature made Mon 19 Mar 2018 19:59:04 GMT # gpg: using RSA key A7A16B4A2527436A # gpg: Good signature from "Eric Blake <eblake@redhat.com>" # gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" # gpg: aka "[jpeg image of size 6874]" # Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A * remotes/ericb/tags/pull-qapi-2018-03-12-v4: (38 commits) qapi: Pass '-u' when doing non-silent diff qapi: add block latency histogram interface block/accounting: introduce latency histogram tests: qmp-test: add oob test tests: qmp-test: verify command batching qmp: add command "x-oob-test" monitor: enable IO thread for (qmp & !mux) typed qmp: isolate responses into io thread qmp: support out-of-band (oob) execution qapi: introduce new cmd option "allow-oob" monitor: send event when command queue full qmp: add new event "command-dropped" monitor: separate QMP parser and dispatcher monitor: let suspend/resume work even with QMPs monitor: let suspend_cnt be thread safe monitor: introduce monitor_qmp_respond() qmp: introduce QMPCapability monitor: allow using IO thread for parsing monitor: let mon_list be tail queue monitor: unify global init ... Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
-
由 Laurent Vivier 提交于
SRC_EA() and gen_extend() can return either a temporary TCGv or a memory allocated one. Mark them when they are allocated, and free them automatically at end of the instruction translation. We want to free locally allocated TCGv to avoid overflow in sequence like: 0xc00ae406: movel %fp@(-132),%fp@(-268) 0xc00ae40c: movel %fp@(-128),%fp@(-264) 0xc00ae412: movel %fp@(-20),%fp@(-212) 0xc00ae418: movel %fp@(-16),%fp@(-208) 0xc00ae41e: movel %fp@(-60),%fp@(-220) 0xc00ae424: movel %fp@(-56),%fp@(-216) 0xc00ae42a: movel %fp@(-124),%fp@(-252) 0xc00ae430: movel %fp@(-120),%fp@(-248) 0xc00ae436: movel %fp@(-12),%fp@(-260) 0xc00ae43c: movel %fp@(-8),%fp@(-256) 0xc00ae442: movel %fp@(-52),%fp@(-276) 0xc00ae448: movel %fp@(-48),%fp@(-272) ... That can fill a lot of TCGv entries in a sequence, especially since 15fa08f8 ("tcg: Dynamically allocate TCGOps") we have no limit to fill the TCGOps cache and we can fill the entire TCG variables array and overflow it. Suggested-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NLaurent Vivier <laurent@vivier.eu> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180319113544.704-3-laurent@vivier.eu>
-
由 Laurent Vivier 提交于
This parameter will be needed to manage automatic release of temporary allocated TCG variables. Signed-off-by: NLaurent Vivier <laurent@vivier.eu> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180319113544.704-2-laurent@vivier.eu>
-
由 Dr. David Alan Gilbert 提交于
Provide a helper to be used by shared waker functions to request shared pages from the source. The last_rb pointer is moved into the incoming state since this helper can update it as well as the main fault thread function. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Stash the RAMBlock and offset for later use looking up addresses. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
We need a better way, but at the moment we need the address of the mappings sent back to qemu so it can interpret the messages on the userfaultfd it reads. This is done as a 3 stage set: QEMU -> client set_mem_table mmap stuff, get addresses client -> qemu here are the addresses qemu -> client OK - now you can use them That ensures that qemu has registered the new addresses in it's userfault code before the client starts accessing them. Note: We don't ask for the default 'ack' reply since we've got our own. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
When new regions are sent to the client using SET_MEM_TABLE, register them with the userfaultfd. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Utility for testing the map when you already know the offset in the RAMBlock. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-
由 Dr. David Alan Gilbert 提交于
Split the set_mem_table routines in both qemu and libvhost-user because the postcopy versions are going to be quite different once changes in the later patches are added. However, this patch doesn't produce any functional change, just the split. Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
-