- linaro-toolchain - lists.linaro.org

Flakey LLVM buildbot builds on clang-cmake-armv7-quick

by Christian Kühnel

Hi folks, I just noticed that your builds on clang-cmake-armv7-quick seem to be flakey from time to time: https://lab.llvm.org/buildbot/#/builders/107/builds/7394 https://lab.llvm.org/buildbot/#/builders/107/builds/7390 https://lab.llvm.org/buildbot/#/builders/107/builds/7369 https://lab.llvm.org/buildbot/#/builders/107/builds/7359 I just got hit by one of the flakes with a documentation-only change. I looks like the build is timing out... Best, Christian

4 years, 1 month

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[ACTIVITY] week ending 2 May 2021

by Richard Henderson

[um-2] Patch review: power10, arm. Fixes for Alex's new signals.c test: sparc, s390. [qemu-349] Refreshed sve2 patch set. r~

4 years, 1 month

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[ACTIVITY] week ending May. 2 2021

by Alex Bennée

QEMU Device and Machine Models ([QEMU-418]) =========================================== - posted [kvm-unit-tests PATCH v1 0/4] enable LPI and ITS for TCG Message-Id: <20210428101844.22656-1-alex.bennee(a)linaro.org> [QEMU-418] <https://projects.linaro.org/browse/QEMU-418> QEMU Upstream Work ([UM-2]) =========================== - updated [testing/next branch] we some more fixes [UM-2] <https://projects.linaro.org/browse/UM-2> [testing/next branch] <https://github.com/stsquad/qemu/tree/testing/next> Other ===== - Spent more time on blog post for [LBO-99] [LBO-99] <https://projects.linaro.org/browse/LBO-99> Completed Reviews [3/3] ======================= [PATCH v3 0/2] tests/docker: tests/tcg/ppc64le: Newer toolchain to build tests for PowerISA v3.1 instructions Message-Id: <20210423205757.1752480-1-matheus.ferst(a)eldorado.org.br> [PATCH 0/2] plugins: Freeing allocated values in hash tables. Message-Id: <20210421140934.7561-1-ma.mandourr(a)gmail.com> [PATCH v4 00/12] qtests: Check accelerator available at runtime via QMP 'query-accels' Message-Id: <20210415163304.4120052-1-philmd(a)redhat.com> [PATCH v2 0/8] GICv3 LPI and ITS feature implementation Message-Id: <20210401024152.203896-1-shashi.mallela(a)linaro.org> Absences ======== - Bank Holiday on Monday Current Review Queue ==================== TODO [PATCH v4 00/12] qtests: Check accelerator available at runtime via QMP 'query-accels' Message-Id: <20210415163304.4120052-1-philmd(a)redhat.com> =================================================================================================================================================== TODO [RFC PATCH v2 0/6] hw/arm/virt: Introduce cpu topology support Message-Id: <20210413080745.33004-1-wangyanan55(a)huawei.com> ============================================================================================================================== TODO [PATCH v2 00/12] virtio-gpu: Add support for Blob resources feature Message-Id: <20210420065347.2685768-1-vivek.kasireddy(a)intel.com> ======================================================================================================================================== TODO [RFC v14 00/80] arm cleanup experiment for kvm-only build Message-Id: <20210416162824.25131-1-cfontana(a)suse.de> =================================================================================================================== -- Alex Bennée

4 years, 2 months

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[ACTIVITY] report week ending 30 Apr

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - release work: rc5 Monday, and then 6.0 final release on Thursday. - sent a pullreq with some accumulated arm patches now 6.1 is open - fixed a trivial bug where WFI in the usermode emulator crashed * QEMU-406 [QEMU support for MVE (M-profile Vector Extension; Helium)] - Implemented more instructions: logic ops, VCLS, VCLZ, VREV, VMVN, VABS, VNEG, VADD, VDUP, VSUB, VMULH, and widening VLDR. (These are all simple "always call an out-of-line helper" versions. We'll want an optimised "we know we have no predication" version for many of them, but I plan to do that afterwards.) - Worked through the v8M Arm ARM identifying which insns we must implement. There are 210 insn patterns in total, of which I have currently implemented 23, so we can produce a rough-and-ready progress meter: 23/210 (11%) (There is of course work to do beyond just the insns, but they form the bulk of it, so the meter has some utility.) -- PMM

4 years, 2 months

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[ACTIVITY] 26-30 April 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - Reported a few regressions * GCC - committed cleanup patches - sent a few testsuite improvement patches - MVE/vectorization: Send patches for vcmp, vld2/vst2, vld4/st4 * Misc - scripts patch reviews == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes

4 years, 2 months

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[ACTIVITY] week ending Apr. 25 2021

by Alex Bennée

QEMU Support for Xen ([STR-20]) =============================== - continued reviewing [RFC v12 00/65] arm cleanup experiment for kvm-only build Message-Id: <20210326193701.5981-1-cfontana(a)suse.de> - this is looking pretty solid now - cut new version of [arm build clean-ups based on Claudio's series] - testing reveals some breakage to track down next week [STR-20] <https://projects.linaro.org/browse/STR-20> [arm build clean-ups based on Claudio's series] <https://github.com/stsquad/qemu/tree/xen/arm-build-cleanups-v3> QEMU Upstream Work ([UM-2]) =========================== - posted [PULL 00/11] rc2 fixes (check-tcg, gitlab, gdbstub) Message-Id: <20210406150041.28753-1-alex.bennee(a)linaro.org> - some time trying to debug last weeks PR, eventually merged - posted [PATCH for post 6.0 v1 00/25] testing/next (hexagon/tricore/test cc) Message-Id: <20210419145435.14083-1-alex.bennee(a)linaro.org> - posted [RFC PATCH] tests/tcg: add a multiarch signals test to stress test signal delivery Message-Id: <20210421132931.11127-1-alex.bennee(a)linaro.org> - hunting for RC failure in s390x - posted [PATCH] target/s390x: fix s390_probe_access to check PAGE_WRITE_ORG for writeability Message-Id: <20210422154427.13038-1-alex.bennee(a)linaro.org> [UM-2] <https://projects.linaro.org/browse/UM-2> GSoC/Intern Mentoring ===================== GSoC 2021 proposal initiation for AGL Message-Id: <CAC+yH-Z_KZKuQ0nmAgk-+B+HW88sNjztObtWwazof+cAGJGuuQ(a)mail.gmail.com> GSoC: cache modelling plugin inquiry Message-Id: <CAD-LL6hLk1XAB5VWwHgMOWQV=bT1+FCnf8f-q9MVw5e5A4RMqg(a)mail.gmail.com> GSoC - QEMU Ideas Message-Id: <CALpwMJz0kb2BDreTWBbt945FR+sLX=sKzHSv8pMb5LkLwXqEJA(a)mail.gmail.com> Synced up with potential AGL Jailhouse/VirtIO GSoC applicant Other ===== - bit more write-up of blog post for [LBO-99] [LBO-99] <https://projects.linaro.org/browse/LBO-99> Completed Reviews [8/8] ======================= [PATCH RESEND] docs: clarify absence of set_features in vhost-user Message-Id: <20210325144846.17520-1-hi(a)alyssa.is> [PATCH] docs: Add a QEMU Code of Conduct and Conflict Resolution Policy document Message-Id: <72bc8020-2028-82db-219c-a6ae311e26df(a)redhat.com> [PATCH v4 00/12] target/arm mte fixes Message-Id: <20210406174031.64299-4-richard.henderson(a)linaro.org> [PATCH 0/4] Acceptance Tests: update assets location and cancel tests if missing Message-Id: <20200907042000.415931-1-crosa(a)redhat.com> Added: <2020-09-07 Mon> [RFC PATCH 0/3] tests/tcg/ppc64le: paddi tests Message-Id: <20210415214138.563795-1-matheus.ferst(a)eldorado.org.br> [RFC PATCH 00/15] gitlab-ci: Allow forks to use different pipelines than mainstream Message-Id: <20210418233448.1267991-11-f4bug(a)amsat.org> [PATCH 0/2] gdbstub: implement support for blocking interrupts on single stepping Message-Id: <20210401144152.1031282-1-mlevitsk(a)redhat.com> [PATCH v2 0/7] linux-user: sigaction fixes/cleanups Message-Id: <20210422230227.314751-1-richard.henderson(a)linaro.org> testing/next - hexagon toolchain update Message-Id: <BN7PR02MB4194DF5752EF3BADE858018DB8799(a)BN7PR02MB4194.namprd02.prod.outlook.com> [PATCH] tests/tcg: Run tests on arch variants again Message-Id: <20210312152105.1836543-1-f4bug(a)amsat.org> [PATCH 0/1] libbpf dependecy for docker containers. Message-Id: <20210406082947.672708-1-andrew(a)daynix.com> [PATCH v3 00/15] tests/tcg: Add TriCore tests Message-Id: <20210305170045.869437-1-kbastian(a)mail.uni-paderborn.de> Absences ======== Current Review Queue ==================== TODO [RFC PATCH v2 0/6] hw/arm/virt: Introduce cpu topology support Message-Id: <20210413080745.33004-1-wangyanan55(a)huawei.com> ============================================================================================================================== TODO [PATCH v2 00/12] virtio-gpu: Add support for Blob resources feature Message-Id: <20210420065347.2685768-1-vivek.kasireddy(a)intel.com> ======================================================================================================================================== TODO [RFC v14 00/80] arm cleanup experiment for kvm-only build Message-Id: <20210416162824.25131-1-cfontana(a)suse.de> =================================================================================================================== TODO [PATCH v2 0/8] GICv3 LPI and ITS feature implementation Message-Id: <20210401024152.203896-1-shashi.mallela(a)linaro.org> =========================================================================================================================== -- Alex Bennée

4 years, 2 months

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[ACTIVITY] report week ending 23 Apr

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - code review: + Shashi's ITS emulation patchset + RTH's remaining fixes for MTE + RTH's patchset to implement alignment checking - release work: sadly we found a pretty nasty crasher bug at the last minute, so we'll release rc5 on Monday and final release Thursday (with luck) * QEMU-406 [QEMU support for MVE (M-profile Vector Extension; Helium)] - useful discussions with RTH about how to implement MVE and in particular how to handle its various flavours of insn predication - some progress in writing code to implement the first insn (VLDR) thanks -- PMM

4 years, 2 months

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[ACTIVITY] 19-23 April 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - Reported a few regressions * GCC - committed further fix for testcase for PR96770 - sent a few testsuite improvement patches - resumed work on MVE/auto-vectorization. Added support for vcmp.f16. Checking fp16 support in previous patches. * Misc - scripts patch reviews == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes

4 years, 2 months

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[ACTIVITY] 12-16 April 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - Reported a few regressions - Reduced build frequency on release branches, now same as trunk: daily bump and arm/aarch64 "interesting" commits * GCC - pinged further fix for testcase for PR96770 - preparing cortex-m55 validation setup - looking at cmse tests vs qemu - Linaro BZ 5755/upstream 100049 * GDB - uploaded cleaned up last known-to-work branch to sourceware so that maintainers can have a look at it - uploaded latest wip based on 8.2 branch too * Misc - scripts patch reviews == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes

4 years, 2 months

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[ACTIVITY] report week ending Apr 16

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - Finished and posted patches implementing remap support for AN524 - Release work for rc3 - Sent a set of refactoring patches that split out some files we were previously #including into translate.c so they are separate compilation units. - Thought a bit more about reset handling (in the course of writing the AN524 remap patches I again ran into some of the deficiencies of our current reset implementation; I really must take some time this release cycle to try to improve things here...) - Fixed bug where our AN547 board model accidentally disabled the FPU on the Cortex-M55... - ...and one where we were accidentally giving it an M33 rather than an M55 ! - Respun and extended some patches from Paolo which fix our use of QEMU and system headers in the 2 C++ files in the codebase (which were broken by a change in new versions of glib) - started looking at some of the for-6.1 patch review queue, which I had been postponing in favour of for-6.0 stuff * QEMU-406 [QEMU support for MVE (M-profile Vector Extension; Helium)] - re-read the MVE portions of the v8M Arm ARM, sketched out a plan of where to start with the QEMU implementation thanks -- PMM

4 years, 2 months

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qemu bfloat16 branch

by Richard Henderson

https://gitlab.com/rth7680/qemu/-/commits/tgt-arm-bf16 It isn't a large extension, so all done. I added aarch64 simd, aarch32 neon, and sve support all at once. I've tested it via risu vs FVP. I've based this on my SVE2 branch, since there are some cleanups that made that easier. I'll post patches to qemu-devel next week. r~

4 years, 2 months

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[ACTIVITY] 5-9 April 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - No regression to report this week. Issues on gcc-9 and gcc-10 release branches had already been reported by other people. * GCC - pinged further fix for testcase for PR96770 - Looking at failures for cortex-M, only found testisms so far * Misc - Fixed benchmarking jobs on stm32 == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes * Resume GDB/FDPIC work

4 years, 2 months

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[ACTIVITY] week ending 11 Apr 2021

by Richard Henderson

[UM-2] * Patch review. Lots. [QEMU-389 # Bfloat16 ] * Implemented. Will post patches next week. r~

4 years, 2 months

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[ACTIVITY] week ending Apr. 11 2021

by Alex Bennée

VirtIO Initiative ([STR-9]) =========================== - had sync-up with Akashi-san/Vincent about approaches for the Zephyr demo - need to write-up on Monday [STR-9] <https://projects.linaro.org/browse/STR-9> QEMU Support for Xen ([STR-20]) =============================== - continued reviewing [RFC v12 00/65] arm cleanup experiment for kvm-only build Message-Id: <20210326193701.5981-1-cfontana(a)suse.de> - this is looking pretty solid now - cut new version of [arm build clean-ups based on Claudio's series] - testing reveals some breakage to track down next week [STR-20] <https://projects.linaro.org/browse/STR-20> [arm build clean-ups based on Claudio's series] <https://github.com/stsquad/qemu/tree/xen/arm-build-cleanups-v3> QEMU Upstream Work ([UM-2]) =========================== - posted [PULL 00/11] rc2 fixes (check-tcg, gitlab, gdbstub) Message-Id: <20210406150041.28753-1-alex.bennee(a)linaro.org> - some time trying to debug last weeks PR, eventually merged [UM-2] <https://projects.linaro.org/browse/UM-2> GSoC/Intern Mentoring ===================== GSoC 2021 proposal initiation for AGL Message-Id: <CAC+yH-Z_KZKuQ0nmAgk-+B+HW88sNjztObtWwazof+cAGJGuuQ(a)mail.gmail.com> GSoC: cache modelling plugin inquiry Message-Id: <CAD-LL6hLk1XAB5VWwHgMOWQV=bT1+FCnf8f-q9MVw5e5A4RMqg(a)mail.gmail.com> GSoC - QEMU Ideas Message-Id: <CALpwMJz0kb2BDreTWBbt945FR+sLX=sKzHSv8pMb5LkLwXqEJA(a)mail.gmail.com> Synced up with potential AGL Jailhouse/VirtIO GSoC applicant Completed Reviews [3/3] ======================= [PATCH RESEND] docs: clarify absence of set_features in vhost-user Message-Id: <20210325144846.17520-1-hi(a)alyssa.is> [PATCH] docs: Add a QEMU Code of Conduct and Conflict Resolution Policy document Message-Id: <72bc8020-2028-82db-219c-a6ae311e26df(a)redhat.com> [PATCH v4 00/12] target/arm mte fixes Message-Id: <20210406174031.64299-4-richard.henderson(a)linaro.org> Absences ======== Current Review Queue ==================== TODO [RFC v12 00/65] arm cleanup experiment for kvm-only build Message-Id: <20210326193701.5981-1-cfontana(a)suse.de> ================================================================================================================== TODO [RFC 0/8] virtio: Improve boot time of virtio-scsi-pci and virtio-blk-pci Message-Id: <20210325150735.1098387-1-groug(a)kaod.org> =================================================================================================================================== TODO [PATCH 0/5] virtio: Implement generic vhost-user-i2c backend Message-Id: <cover.1616570702.git.viresh.kumar(a)linaro.org> =========================================================================================================================== TODO [PATCH v2 00/29] tcg: Workaround macOS 11.2 mprotect bug Message-Id: <20210314212724.1917075-1-richard.henderson(a)linaro.org> ================================================================================================================================ -- Alex Bennée

4 years, 2 months

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[ACTIVITY] report week ending 9 Apr

by Peter Maydell

Progress (short week, 2 days): * UM-2 [QEMU upstream maintainership] - more release work, bug triage, etc - started implementing the memory-remapping feature of the AN524 FPGA image (which allows the BRAM and QSPI to be swapped either at startup or dynamically under guest control). Some guests (like ARM TF-M) assume the QSPI mapping. thanks -- PMM

4 years, 2 months

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[ACTIVITY] 29 March-2 April 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - Reported minor testsuite issues (eg failures with -mabi=ilp32 on aarch64) - re-started looking at validation for cortex-m55, realized that qemu does not support MVE yet * GCC - posted further fix for testcase for PR96770 - fixed PR 99786 - committed fix for PR 99773 * Misc == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes * Resume GDB/FDPIC work

4 years, 2 months

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[ACTIVITY] week ending Apr. 4 2021

by Alex Bennée

VirtIO Initiative ([STR-9]) =========================== - posted virtio-scmi backend on Zephyr as both Xen DomU and Jailhouse Partition demo suggestion Message-Id: <87ft0cyiqi.fsf(a)linaro.org> QEMU Upstream Work ([UM-2]) =========================== - posted [PATCH for 6.0-rc2? v1 0/6] check-tcg for non-x86 hosts Message-Id: <20210329110303.15235-1-alex.bennee(a)linaro.org> - posted [PATCH for 6.0-rc2 v2 00/11] various fixes, pre-PR (check-tcg, gdbstub, gitlab) Message-Id: <20210401102530.12030-1-alex.bennee(a)linaro.org> [UM-2] <https://projects.linaro.org/browse/UM-2> Completed Reviews [7/7] ======================= [PATCH v1 0/8] GICv3 LPI and ITS feature implementation Message-Id: <20210323041238.133835-1-shashi.mallela(a)linaro.org> [PATCH RESEND] docs: clarify absence of set_features in vhost-user Message-Id: <20210325144846.17520-1-hi(a)alyssa.is> [PATCH 0/5] virtio: Implement generic vhost-user-i2c backend Message-Id: <cover.1616570702.git.viresh.kumar(a)linaro.org> [PATCH V2 0/6] virtio: Implement generic vhost-user-i2c backend Message-Id: <cover.1617278395.git.viresh.kumar(a)linaro.org> [0/0] tcg/mips: Fix SoftTLB comparison on mips backend Message-Id: <20210401100457.191458-1-kele.hwang(a)gmail.com> [PATCH RESEND] docs: clarify absence of set_features in vhost-user Message-Id: <20210325144846.17520-1-hi(a)alyssa.is> [PATCH] docs: Add a QEMU Code of Conduct and Conflict Resolution Policy document Message-Id: <72bc8020-2028-82db-219c-a6ae311e26df(a)redhat.com> Current Review Queue ==================== TODO [RFC v12 00/65] arm cleanup experiment for kvm-only build Message-Id: <20210326193701.5981-1-cfontana(a)suse.de> ================================================================================================================== TODO [RFC 0/8] virtio: Improve boot time of virtio-scsi-pci and virtio-blk-pci Message-Id: <20210325150735.1098387-1-groug(a)kaod.org> =================================================================================================================================== TODO [PATCH 0/5] virtio: Implement generic vhost-user-i2c backend Message-Id: <cover.1616570702.git.viresh.kumar(a)linaro.org> =========================================================================================================================== TODO [PATCH v2 00/29] tcg: Workaround macOS 11.2 mprotect bug Message-Id: <20210314212724.1917075-1-richard.henderson(a)linaro.org> ================================================================================================================================ -- Alex Bennée

4 years, 3 months

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[ACTIVITY] week ending 28 Mar 2021

by Richard Henderson

[UM-2] * Fix exec-vary.c vs gcc -flto. * Fix ppc tb->flags usage. * Patch review: - v11 of claudio's arm accel work - hexagon stuff - arm pcmr settings r~

4 years, 3 months

1
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[ACTIVITY] week ending Mar. 28 2021

by Alex Bennée

VirtIO Initiative ([STR-9]) =========================== - attended the [Stratos sync-call] - more talk about rust-vmm for daemons QEMU Upstream Work ([UM-2]) =========================== - posted [PULL v2 00/15] misc fixes (strtoz, plugins, guest-loader) Message-Id: <20210317072216.16316-1-alex.bennee(a)linaro.org> - posted [RFC PATCH] gitlab: extend timeouts for CFI builds Message-Id: <20210322142110.4766-1-alex.bennee(a)linaro.org> - posted [PATCH for 6.0 v2 00/22] fixes for rc1 pre-PR (kernel-doc, semihosting, testing) Message-Id: <20210323165308.15244-1-alex.bennee(a)linaro.org> - posted [PULL for 6.0 00/22] various fixes (kernel-doc, semihosting, testing) Message-Id: <20210324143021.8560-1-alex.bennee(a)linaro.org> [UM-2] <https://projects.linaro.org/browse/UM-2> Other ===== - Provisioning new aarch64 CI machine for QEMU project Completed Reviews [7/7] ======================= [PATCH] FreeBSD: Upgrade to 12.2 release Message-Id: <20210319165138.117225-1-thuth(a)redhat.com> [PATCH] tests/meson: Only build softfloat objects if TCG is selected Message-Id: <20210322114739.4078408-1-f4bug(a)amsat.org> [PATCH v28 00/23] i386 cleanup PART 2 Message-Id: <20210322132800.7470-1-cfontana(a)suse.de> [RFC v10 00/49] arm cleanup experiment for kvm-only build Message-Id: <20210322140206.9513-1-cfontana(a)suse.de> [RFC v11 00/55] arm cleanup experiment for kvm-only build Message-Id: <20210323151749.21299-5-cfontana(a)suse.de> [PATCH 0/2] Fix atomic test in "configure" + bump FreeBSD CI to 12.2 Message-Id: <20210317110512.583747-1-thuth(a)redhat.com> [PATCH v1 0/8] GICv3 LPI and ITS feature implementation Message-Id: <20210323041238.133835-1-shashi.mallela(a)linaro.org> Absences ======== - Linaro Connect Sessions Current Review Queue ==================== TODO [RFC 0/8] virtio: Improve boot time of virtio-scsi-pci and virtio-blk-pci Message-Id: <20210325150735.1098387-1-groug(a)kaod.org> =================================================================================================================================== TODO [PATCH RESEND] docs: clarify absence of set_features in vhost-user Message-Id: <20210325144846.17520-1-hi(a)alyssa.is> ======================================================================================================================== TODO [PATCH 0/5] virtio: Implement generic vhost-user-i2c backend Message-Id: <cover.1616570702.git.viresh.kumar(a)linaro.org> =========================================================================================================================== TODO [PATCH v2 00/29] tcg: Workaround macOS 11.2 mprotect bug Message-Id: <20210314212724.1917075-1-richard.henderson(a)linaro.org> ================================================================================================================================ -- Alex Bennée

4 years, 3 months

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[ACTIVITY] report week ending 26 Mar

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - tagged rc0 - various bug investigation/patches for 6.0-ish stuff: + machines with a 'platform bus' incorrectly treated all sysbus devices as hotpluggable: wrote and sent patchseries + respin of gpex pci-host "don't fault for unmapped MMIO/PIO window accesses" patch + document how to use gdbstub/gdb for a multi-cluster machine where the clusters are different gdb inferiors + looked for workarounds for macos Appkit bug where Apple broke menubars for apps that start off as console apps and programmatically switch themselves to being GUI apps; various online suggestions don't seem to help, except for "when app starts, force the Dock to become active and then grab back focus 200ms later". Maybe we'll do that, but it's pretty ugly... thanks -- PMM

4 years, 3 months

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[ACTIVITY] 22-26 March 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - No regression to report this week * GCC - testsuite cleanup: committed a patch series - fixed PR 99727 - filed / discussed PR 99773 - WIP PR 99786 * Misc == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes * Resume GDB/FDPIC work

4 years, 3 months

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[ACTIVITY] 15-19 March 2021

by Christophe Lyon

== Progress == * GCC upstream validation: - Small improvement to pre-commit testing scripts to allow running a subset of the tests (and thus save a lot of time) * GCC - MVE autovectorization: - vcmp support of FP types OK. - testsuite cleanup: looking at current failures, only found issues with tests so far. Testing several small testsuite patches is taking a long time due to the number of configurations * Misc == Next == * MVE auto-vectorization/intrinsics improvements * GCC/cortex-M testing improvements & fixes * Resume GDB/FDPIC work

4 years, 3 months

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[ACTIVITY] report week ending 19 Mar

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - softfreeze was this week, lots of pullreq processing - spun v2 of "fix M-profile load of PC/SP from ELF images via memory aliases" thanks -- PMM

4 years, 3 months

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Please use staging for your new bots; clang-cmake-aarch64-full is red for a month

by Galina Kistanova

Hello Linaro Toolchain Working Group, Please connect your new bots to the staging first and make them reliably green there: linaro-aarch64-flang-debug linaro-aarch64-flang-latest-clang linaro-aarch64-flang-latest-gcc clang-cmake-aarch64-full is red for a month. https://lab.llvm.org/buildbot/#/builders/7?numbuilds=700 Could you move linaro-aarch64-full to the staging and make it green again, please? Please let me know if I could help or you have questions. Thanks Galina

4 years, 3 months

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Re: Clang targetting x64 linker

by Maxim Kuvyrkov

Hi Joel, Indeed, LLD is not configured to be used by default in LLVM-12.0.0-rc1. You need to add -fuse-ld=lld option for it to work. We’ll fix this in the final LLVM-12 release for WoA, which is expected in around 2 weeks. Thanks for catching this! c:\Users\tcwg\source\maxim>..\llvm-12.0.0-rc1\bin\clang-cl.exe hello.c clang-cl: error: unable to execute command: Couldn't execute program 'C:\BuildTools\VC\Tools\MSVC\14.28.29333\bin\Hostx64\arm64\link.exe': Unknown error (0xD8) clang-cl: error: linker command failed with exit code 1 (use -v to see invocation) c:\Users\tcwg\source\maxim>..\llvm-12.0.0-rc1\bin\clang-cl.exe -fuse-ld=lld hello.c c:\Users\tcwg\source\maxim>hello.exe Hello c:\Users\tcwg\source\maxim>..\llvm-12.0.0-rc1\bin\clang.exe -fuse-ld=lld hello.c c:\Users\tcwg\source\maxim>hello.exe Hello -- Maxim Kuvyrkov https://www.linaro.org > On 4 Mar 2021, at 19:43, Joel Cox <Joel.Cox(a)arm.com> wrote: > > Hi > > I was trying "clang hello.c" from command line, but "clang-cl hello.c" gives me the same error. I am unsure if this is what you mean but neither work. > > Thanks, > Joel > > -----Original Message----- > From: Maxim Kuvyrkov <maxim.kuvyrkov(a)linaro.org> > Sent: 04 March 2021 16:40 > To: Joel Cox <Joel.Cox(a)arm.com> > Cc: linaro-toolchain(a)lists.linaro.org > Subject: Re: Clang targetting x64 linker > > Hi Joel, > > Are you using clang-cl.exe as compiler/linker driver? It’s easiest to use clang-cl.exe as it aims to be a direct replacement for MSVC’s cl.exe, but will use LLVM tools. In particular, when clang-cl.exe uses LLVM Linker (LLD) by default. > > If you are using linux-style clang.exe as the driver, then you need to specify -fuse-ld=lld to use LLD. > > Does this help? > > Regards, > > -- > Maxim Kuvyrkov > https://www.linaro.org > >> On 4 Mar 2021, at 19:11, Joel Cox <Joel.Cox(a)arm.com> wrote: >> >> Hi >> >> I've been trying to run clang on a Windows on Arm machine, but it keeps trying to using the link.exe located in "Visual studio/..../Host64/arm64", which is (seemingly) an x64 tool and as such doesn't run, and crashes the process. >> Is there a way to set clang to look at VS's x86 link.exe? Or if there is an arm64 version that clang should be using instead? >> >> Thanks, >> Joel >> IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. >> _______________________________________________ >> linaro-toolchain mailing list >> linaro-toolchain(a)lists.linaro.org >> https://lists.linaro.org/mailman/listinfo/linaro-toolchain > > IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

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