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2020-12-18block/vpc: Use sizeof() instead of HEADER_SIZE for footer sizeMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-10-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Pass footer buffers as VHDFooter * instead of uint8_t *Markus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-9-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Pad VHDFooter, replace uint8_t[] buffersMarkus Armbruster
Pad VHDFooter as specified in the "Virtual Hard Disk Image Format Specification" version 1.0[*]. Change footer buffers from uint8_t[HEADER_SIZE] to VHDFooter. Their size remains the same. The VHDFooter * variables pointing to a VHDFooter variable right next to it are now silly. Eliminate them, and shorten the remaining variables' names. Most variables pointing to s->footer are now also silly. Eliminate them, too. [*] http://download.microsoft.com/download/f/f/e/ffef50a5-07dd-4cf8-aaa3-442c0673a029/Virtual%20Hard%20Disk%20Format%20Spec_10_18_06.doc Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-8-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Use sizeof() instead of 1024 for dynamic header sizeMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-7-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Pad VHDDynDiskHeader, replace uint8_t[] buffersMarkus Armbruster
Pad VHDDynDiskHeader as specified in the "Virtual Hard Disk Image Format Specification" version 1.0[*]. Change dynamic disk header buffers from uint8_t[1024] to VHDDynDiskHeader. Their size remains the same. The VHDDynDiskHeader * variables pointing to a VHDDynDiskHeader variable right next to it are now silly. Eliminate them. [*] http://download.microsoft.com/download/f/f/e/ffef50a5-07dd-4cf8-aaa3-442c0673a029/Virtual%20Hard%20Disk%20Format%20Spec_10_18_06.doc Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-6-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Make vpc_checksum() take void *Markus Armbruster
Some of the next commits will checksum structs. Change vpc_checksum() to take void * instead of uint8_t, to save us pointless casts to uint8_t *. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-5-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Don't abuse the footer buffer for dynamic headerMarkus Armbruster
create_dynamic_disk() takes a buffer holding the footer as first argument. It writes out the footer (512 bytes), then reuses the buffer to initialize and write out the dynamic header (1024 bytes). Works, because the caller passes a buffer that is large enough for both purposes. I hate that. Use a separate buffer for the dynamic header, and adjust the caller's buffer. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-4-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Don't abuse the footer buffer as BAT sector bufferMarkus Armbruster
create_dynamic_disk() takes a buffer holding the footer as first argument. It writes out the footer (512 bytes), then reuses the buffer to initialize and write out the dynamic header (1024 bytes), then reuses it again to initialize and write out BAT sectors (512). Works, because the caller passes a buffer that is large enough for all three purposes. I hate that. Use a separate buffer for writing out BAT sectors. The next commit will do the same for the dynamic header. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-3-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/vpc: Make vpc_open() read the full dynamic headerMarkus Armbruster
The dynamic header's size is 1024 bytes. vpc_open() reads only the 512 bytes of the dynamic header into buf[]. Works, because it doesn't actually access the second half. However, a colleague told me that GCC 11 warns: ../block/vpc.c:358:51: error: array subscript 'struct VHDDynDiskHeader[0]' is partly outside array bounds of 'uint8_t[512]' [-Werror=array-bounds] Clean up to read the full header. Rename buf[] to dyndisk_header_buf[] while there. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201217162003.1102738-2-armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18iotests:172: use _filter_qom_pathVladimir Sementsov-Ogievskiy
device[NUMBER] thing in QOM path is not stable and tracking it during code modifications is not fun. Let's filter it like it's already done in iotest 186. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201216095205.526235-3-vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18iotests: make _filter_qom_path more strictVladimir Sementsov-Ogievskiy
According to original commit, that added this filter (627f607e3dddb2), the problematic thing in qom path is device[NUMBER], not the whole path. Seems that tracking the other parts of the path in iotest output is not bad. Let's make _filter_qom_path stricter. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201216095205.526235-2-vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18MAINTAINERS: add Kevin Wolf as storage daemon maintainerStefan Hajnoczi
The MAINTAINERS file was not updated when the storage daemon was merged. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20201209103802.350848-4-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18docs: add qemu-storage-daemon(1) man pageStefan Hajnoczi
Document the qemu-storage-daemon tool. Most of the command-line options are identical to their QEMU counterparts. Perhaps Sphinx hxtool integration could be extended to extract documentation for individual command-line options so they can be shared. For now the qemu-storage-daemon simply refers to the qemu(1) man page where the command-line options are identical. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20201209103802.350848-3-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18docs: generate qemu-storage-daemon-qmp-ref(7) man pageStefan Hajnoczi
Although individual qemu-storage-daemon QMP commands are identical to QEMU QMP commands, qemu-storage-daemon only supports a subset of QEMU's QMP commands. Generate a manual page of just the commands supported by qemu-storage-daemon so that users know exactly what is available in qemu-storage-daemon. Add an h1 heading in storage-daemon/qapi/qapi-schema.json so that block-core.json is at the h2 heading level. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20201209103802.350848-2-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18block/nfs: fix int overflow in nfs_client_open_qdictPeter Lieven
nfs_client_open returns the file size in sectors. This effectively makes it impossible to open files larger than 1TB. Fixes: c22a03454544c2a08f1107c5cc8481a5574533d5 Cc: qemu-stable@nongnu.org Signed-off-by: Peter Lieven <pl@kamp.de> Message-Id: <20201209121735.16437-1-pl@kamp.de> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18hw/block/nand: Decommission the NAND museumPhilippe Mathieu-Daudé
This is the QEMU equivalent of this Linux commit (but 7 years later): https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f7025a43a9da2 The MTD subsystem has its own small museum of ancient NANDs in a form of the CONFIG_MTD_NAND_MUSEUM_IDS configuration option. The museum contains stone age NANDs with 256 bytes pages, as well as iron age NANDs with 512 bytes per page and up to 8MiB page size. It is with great sorrow that I inform you that the museum is being decommissioned. The MTD subsystem is out of budget for Kconfig options and already has too many of them, and there is a general kernel trend to simplify the configuration menu. We remove the stone age exhibits along with closing the museum, but some of the iron age ones are transferred to the regular NAND depot. Namely, only those which have unique device IDs are transferred, and the ones which have conflicting device IDs are removed. The machine using this device are: - axis-dev88 - tosa (via tc6393xb_init) - spitz based (akita, borzoi, terrier) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201214002620.342384-1-f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-18iotests/210: Fix reference outputMax Reitz
Commit 8b1170012b1 has added a global maximum disk length for the block layer, so the error message when creating an overly large disk has changed. Fixes: 8b1170012b1de6649c66ac1887f4df7e312abf3b ("block: introduce BDRV_MAX_LENGTH") Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20201214175158.299919-1-mreitz@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-17Merge remote-tracking branch ↵Peter Maydell
'remotes/ehabkost-gl/tags/x86-next-pull-request' into staging x86 queue, 2020-12-17 Features: * AVX512_FP16 feature (Cathy Zhang) Cleanups: * accel code cleanup (Claudio Fontana) * hyperv initialization cleanup (Vitaly Kuznetsov) # gpg: Signature made Thu 17 Dec 2020 18:44:45 GMT # gpg: using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6 # gpg: issuer "ehabkost@redhat.com" # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full] # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost-gl/tags/x86-next-pull-request: cpu: Remove unnecessary noop methods tcg: Make CPUClass.debug_excp_handler optional tcg: make CPUClass.cpu_exec_* optional tcg: cpu_exec_{enter,exit} helpers i386: tcg: remove inline from cpu_load_eflags i386: move TCG cpu class initialization to tcg/ x86/cpu: Add AVX512_FP16 cpu feature i386: move hyperv_limits initialization to x86_cpu_realizefn() i386: move hyperv_version_id initialization to x86_cpu_realizefn() i386: move hyperv_interface_id initialization to x86_cpu_realizefn() i386: move hyperv_vendor_id initialization to x86_cpu_realizefn() i386: move cpu dump out of helper.c into cpu-dump.c i386: move TCG accel files into tcg/ i386: hvf: remove stale MAINTAINERS entry for old hvf stubs i386: move hax accel files into hax/ i386: move whpx accel files into whpx/ i386: move kvm accel files into kvm/ Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-12-16cpu: Remove unnecessary noop methodsEduardo Habkost
In the previous commits we made cpu_exec_* and debug_excp_handler optional, so we can now remove these no-op handlers. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20201212155530.23098-13-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16tcg: Make CPUClass.debug_excp_handler optionalEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201212155530.23098-12-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16tcg: make CPUClass.cpu_exec_* optionalEduardo Habkost
This will let us simplify the code that initializes CPU class methods, when we move cpu_exec_*() to a separate struct. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201212155530.23098-11-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16tcg: cpu_exec_{enter,exit} helpersEduardo Habkost
Move invocation of CPUClass.cpu_exec_*() to separate helpers, to make it easier to refactor that code later. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-10-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: tcg: remove inline from cpu_load_eflagsClaudio Fontana
make it a regular function. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-9-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move TCG cpu class initialization to tcg/Claudio Fontana
to do this, we need to take code out of cpu.c and helper.c, and also move some prototypes from cpu.h, for code that is needed in tcg/xxx_helper.c, and which in turn is part of the callbacks registered by the class initialization. Therefore, do some shuffling of the parts of cpu.h that are only relevant for tcg/, and put them in tcg/helper-tcg.h For FT0 and similar macros, put them in tcg/fpu-helper.c since they are used only there. Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-8-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16x86/cpu: Add AVX512_FP16 cpu featureCathy Zhang
AVX512 Half-precision floating point (FP16) has better performance compared to FP32 if the presicion or magnitude requirements are met. It's defined as CPUID.(EAX=7,ECX=0):EDX[bit 23]. Refer to https://software.intel.com/content/www/us/en/develop/download/\ intel-architecture-instruction-set-extensions-programming-reference.html Signed-off-by: Cathy Zhang <cathy.zhang@intel.com> Message-Id: <20201216224002.32677-1-cathy.zhang@intel.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move hyperv_limits initialization to x86_cpu_realizefn()Vitaly Kuznetsov
As a preparation to expanding Hyper-V CPU features early, move hyperv_limits initialization to x86_cpu_realizefn(). Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20201119103221.1665171-5-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move hyperv_version_id initialization to x86_cpu_realizefn()Vitaly Kuznetsov
As a preparation to expanding Hyper-V CPU features early, move hyperv_version_id initialization to x86_cpu_realizefn(). Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20201119103221.1665171-4-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move hyperv_interface_id initialization to x86_cpu_realizefn()Vitaly Kuznetsov
As a preparation to expanding Hyper-V CPU features early, move hyperv_interface_id initialization to x86_cpu_realizefn(). Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20201119103221.1665171-3-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move hyperv_vendor_id initialization to x86_cpu_realizefn()Vitaly Kuznetsov
As a preparation to expanding Hyper-V CPU features early, move hyperv_vendor_id initialization to x86_cpu_realizefn(). Introduce x86_cpu_hyperv_realize() to not not pollute x86_cpu_realizefn() itself. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20201119103221.1665171-2-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move cpu dump out of helper.c into cpu-dump.cClaudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-7-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move TCG accel files into tcg/Claudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> [claudio: moved cc_helper_template.h to tcg/ too] Signed-off-by: Claudio Fontana <cfontana@suse.de> Message-Id: <20201212155530.23098-6-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: hvf: remove stale MAINTAINERS entry for old hvf stubsClaudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201212155530.23098-5-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move hax accel files into hax/Claudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-4-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move whpx accel files into whpx/Claudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-3-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-16i386: move kvm accel files into kvm/Claudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201212155530.23098-2-cfontana@suse.de> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-12-15Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into ↵Peter Maydell
staging * New -action option and set-action QMP command (Alejandro) * More vl.c cleanup (myself with help from Daniel and Igor) * Remove deprecated options (Philippe, Thomas) * Dirty bitmap fix (Zenghui) * icount caching speedup (Pavel) * SCSI race fix (Maxim) * Remove pre-GCC 4.8 code (Marc-André) # gpg: Signature made Tue 15 Dec 2020 17:53:24 GMT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini-gitlab/tags/for-upstream: (45 commits) build: -no-pie is no functional linker flag scripts/git.orderfile: Keep files with .inc extension sorted compiler.h: remove QEMU_GNUC_PREREQ linux-user: remove GNUC check compiler: remove GNUC check xen: remove GNUC check poison: remove GNUC check compiler.h: explicit case for Clang printf attribute virtiofsd: replace _Static_assert with QEMU_BUILD_BUG_ON tests: remove GCC < 4 fallbacks qemu-plugin.h: remove GCC < 4 compiler.h: remove GCC < 3 __builtin_expect fallback accel/tcg: Remove special case for GCC < 4.6 qemu/atomic: Drop special case for unsupported compiler hw/core: Restrict 'fw-path-provider.c' to system mode emulation docs: set CONFDIR when running sphinx vl: rename local variable in configure_accelerators qemu-option: pass QemuOptsList to opts_accepts_any qemu-option: simplify search for end of key kvm: Take into account the unaligned section size when preparing bitmap ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # softmmu/vl.c
2020-12-15build: -no-pie is no functional linker flagChristian Ehrhardt
Recent binutils changes dropping unsupported options [1] caused a build issue in regard to the optionroms. ld -m elf_i386 -T /<<PKGBUILDDIR>>/pc-bios/optionrom//flat.lds -no-pie \ -s -o multiboot.img multiboot.o ld.bfd: Error: unable to disambiguate: -no-pie (did you mean --no-pie ?) This isn't really a regression in ld.bfd, filing the bug upstream revealed that this never worked as a ld flag [2] - in fact it seems we were by accident setting --nmagic). Since it never had the wanted effect this usage of LDFLAGS_NOPIE, should be droppable without any effect. This also is the only use-case of LDFLAGS_NOPIE in .mak, therefore we can also remove it from being added there. [1]: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=983d925d [2]: https://sourceware.org/bugzilla/show_bug.cgi?id=27050#c5 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com> Message-Id: <20201214150938.1297512-1-christian.ehrhardt@canonical.com> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15scripts/git.orderfile: Keep files with .inc extension sortedPhilippe Mathieu-Daudé
Sort .inc files along with the extension including them. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201213205132.243628-1-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15compiler.h: remove QEMU_GNUC_PREREQMarc-André Lureau
When needed, the G_GNUC_CHECK_VERSION() glib macro can be used instead. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20201210134752.780923-14-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15linux-user: remove GNUC checkMarc-André Lureau
QEMU requires Clang or GCC, that define and support __GNUC__ extensions. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20201210134752.780923-13-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15compiler: remove GNUC checkMarc-André Lureau
QEMU requires Clang or GCC, that define and support __GNUC__ extensions. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20201210134752.780923-12-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15xen: remove GNUC checkMarc-André Lureau
QEMU requires Clang or GCC, that define and support __GNUC__ extensions Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org> Message-Id: <20201210134752.780923-11-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15poison: remove GNUC checkMarc-André Lureau
QEMU requires Clang or GCC, that define and support __GNUC__ extensions Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20201210134752.780923-10-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15compiler.h: explicit case for Clang printf attributeMarc-André Lureau
Since commit efc6c07 ("configure: Add a test for the minimum compiler version"), QEMU explicitely depends on GCC >= 4.8, we could thus drop earlier version checks. Except clang advertizes itself as GCC 4.2.1. Since clang doesn't support gnu_printf, make that case explicitely and drop GCC version check. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20201210134752.780923-8-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15virtiofsd: replace _Static_assert with QEMU_BUILD_BUG_ONMarc-André Lureau
This allows to get rid of a check for older GCC version (which was a bit bogus too since it was falling back on c++ version..) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20201210134752.780923-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15tests: remove GCC < 4 fallbacksMarc-André Lureau
Since commit efc6c07 ("configure: Add a test for the minimum compiler version"), QEMU explicitely depends on GCC >= 4.8. (clang >= 3.4 advertizes itself as GCC >= 4.2 compatible) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201210134752.780923-6-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15qemu-plugin.h: remove GCC < 4Marc-André Lureau
Since commit efc6c07 ("configure: Add a test for the minimum compiler version"), QEMU explicitely depends on GCC >= 4.8. (clang >= 3.4 advertizes itself as GCC >= 4.2 compatible) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20201210134752.780923-5-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15compiler.h: remove GCC < 3 __builtin_expect fallbackMarc-André Lureau
Since commit efc6c07 ("configure: Add a test for the minimum compiler version"), QEMU explicitely depends on GCC >= 4.8. (clang >= 3.4 advertizes itself as GCC >= 4.2 compatible and supports __builtin_expect too) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20201210134752.780923-4-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15accel/tcg: Remove special case for GCC < 4.6Philippe Mathieu-Daudé
Since commit efc6c070aca ("configure: Add a test for the minimum compiler version") the minimum compiler version required for GCC is 4.8. We can safely remove the special case for GCC 4.6 introduced in commit 0448f5f8b81 ("cpu-exec: Fix compiler warning (-Werror=clobbered)"). No change for Clang as we don't know. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20201210134752.780923-3-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-12-15qemu/atomic: Drop special case for unsupported compilerPhilippe Mathieu-Daudé
Since commit efc6c070aca ("configure: Add a test for the minimum compiler version") the minimum compiler version required for GCC is 4.8, which has the GCC BZ#36793 bug fixed. We can safely remove the special case introduced in commit a281ebc11a6 ("virtio: add missing mb() on notification"). With clang 3.4, __ATOMIC_RELAXED is defined, so the chunk to remove (which is x86-specific), isn't reached either. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20201210134752.780923-2-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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