From: Claudio Fontana <cfontana@suse.de>
To: Paolo Bonzini <pbonzini@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PULL 00/53] Misc patches for QEMU 5.1 soft freeze
Date: Wed, 8 Jul 2020 19:03:48 +0200 [thread overview]
Message-ID: <57c79f36-4cf9-6188-ef40-b4f775add83d@suse.de> (raw)
In-Reply-To: <56c7e153-e47b-aa5c-80c0-ab4f5c3d85e8@redhat.com>
On 7/8/20 6:55 PM, Paolo Bonzini wrote:
> On 08/07/20 18:45, Claudio Fontana wrote:
>> C++ is used to link the final qemu-system binary and on my system c++ has LTO:
>>
>> c++ -v
>> Using built-in specs.
>> COLLECT_GCC=c++
>> COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/7/lto-wrapper
>> OFFLOAD_TARGET_NAMES=hsa:nvptx-none
>> Target: x86_64-suse-linux
>> Configured with: ../configure --prefix=/usr --infodir=/usr/share/info
>> --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64
>> --enable-languages=c,c++,objc,fortran,obj-c++,ada,go
>> --enable-offload-targets=hsa,nvptx-none=/usr/nvptx-none,
>> --without-cuda-driver --enable-checking=release --disable-werror
>> --with-gxx-include-dir=/usr/include/c++/7 --enable-ssp --disable-libssp
>> --disable-libvtv --disable-libcc1 --disable-plugin
>> --with-bugurl=https://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --enable-version-specific-runtime-libs --with-gcc-major-version-only --enable-linker-build-id --enable-linux-futex --enable-gnu-indirect-function --program-suffix=-7 --without-system-libunwind --enable-multilib --with-arch-32=x86-64 --with-tune=generic --build=x86_64-suse-linux --host=x86_64-suse-linux
>> Thread model: posix
>> gcc version 7.5.0 (SUSE Linux)
>>
>>
>> I checked cc but did not think to check c++ . I will find a way to disable this thing and will correct the patch accordingly.
>
> Having LTO support is not the same thing as having it enabled. Are you
> compiling and linking with "-flto"?
>
> Paolo
>
no, the compilation and link stage do not show this explicit parameter. I am puzzled.
C
next prev parent reply other threads:[~2020-07-08 17:04 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-06 16:41 [PULL 00/53] Misc patches for QEMU 5.1 soft freeze Paolo Bonzini
2020-07-06 16:41 ` [PULL 01/53] tcg/svm: use host cr4 during NPT page table walk Paolo Bonzini
2020-07-06 16:41 ` [PULL 02/53] tests: Inject test name also when the test fails Paolo Bonzini
2020-07-06 16:41 ` [PULL 03/53] util/qemu-error: prepend guest name to error message to identify affected VM owner Paolo Bonzini
2020-07-06 16:41 ` [PULL 04/53] qom: Introduce object_property_try_add_child() Paolo Bonzini
2020-07-06 16:41 ` [PULL 05/53] tests/qmp-cmd-test: Add qmp/object-add-duplicate-id Paolo Bonzini
2020-07-06 16:41 ` [PULL 06/53] tests/qmp-cmd-test: Add qmp/object-add-failure-modes Paolo Bonzini
2020-07-06 16:41 ` [PULL 07/53] hw/core/null-machine: Do not initialize unused chardev backends Paolo Bonzini
2020-07-06 16:41 ` [PULL 08/53] target/i386: set SSE FTZ in correct floating-point state Paolo Bonzini
2020-07-06 16:41 ` [PULL 09/53] target/i386: fix IEEE SSE floating-point exception raising Paolo Bonzini
2020-07-06 16:41 ` [PULL 10/53] KVM: add support for AMD nested live migration Paolo Bonzini
2020-07-06 16:41 ` [PULL 11/53] coverity: provide Coverity-friendly MIN_CONST and MAX_CONST Paolo Bonzini
2020-07-06 16:41 ` [PULL 12/53] i386: hvf: Set env->eip in macvm_set_rip() Paolo Bonzini
2020-07-06 16:41 ` [PULL 13/53] i386: hvf: Move synchronize functions to sysemu Paolo Bonzini
2020-07-06 16:41 ` [PULL 14/53] i386: hvf: Add hvf_cpu_synchronize_pre_loadvm() Paolo Bonzini
2020-07-06 16:41 ` [PULL 15/53] i386: hvf: Make long mode enter and exit clearer Paolo Bonzini
2020-07-06 16:41 ` [PULL 16/53] i386: hvf: Move Guest LMA reset to macvm_set_cr0() Paolo Bonzini
2020-07-06 16:41 ` [PULL 17/53] i386: hvf: Don't duplicate register reset Paolo Bonzini
2020-07-06 16:41 ` [PULL 18/53] i386: hvf: Clean up synchronize functions Paolo Bonzini
2020-07-06 16:41 ` [PULL 19/53] MAINTAINERS: Add Cameron as HVF co-maintainer Paolo Bonzini
2020-07-06 16:41 ` [PULL 20/53] MAINTAINERS: Fix KVM path expansion glob Paolo Bonzini
2020-07-06 16:41 ` [PULL 21/53] MAINTAINERS: Add an 'overall' entry for accelerators Paolo Bonzini
2020-07-06 16:41 ` [PULL 22/53] MAINTAINERS: Cover the HAX accelerator stub Paolo Bonzini
2020-07-06 16:41 ` [PULL 23/53] Makefile: Remove dangerous EOL trailing backslash Paolo Bonzini
2020-07-06 16:41 ` [PULL 24/53] Makefile: Write MINIKCONF variables as one entry per line Paolo Bonzini
2020-07-06 16:41 ` [PULL 25/53] accel/Kconfig: Extract accel selectors into their own config Paolo Bonzini
2020-07-06 16:41 ` [PULL 26/53] accel/Kconfig: Add the TCG selector Paolo Bonzini
2020-07-06 16:41 ` [PULL 27/53] accel/tcg: Add stub for probe_access() Paolo Bonzini
2020-07-06 16:41 ` [PULL 28/53] Makefile: simplify MINIKCONF rules Paolo Bonzini
2020-07-17 11:02 ` Peter Maydell
2020-07-17 11:20 ` Paolo Bonzini
2020-07-17 13:01 ` Peter Maydell
2020-07-17 13:33 ` Paolo Bonzini
2020-07-06 16:41 ` [PULL 29/53] target/i386: remove gen_io_end Paolo Bonzini
2020-07-06 16:41 ` [PULL 30/53] target/i386: implement undocumented "smsw r32" behavior Paolo Bonzini
2020-07-06 16:41 ` [PULL 31/53] KVM: x86: believe what KVM says about WAITPKG Paolo Bonzini
2020-07-07 11:42 ` Maxim Levitsky
2020-07-07 11:58 ` Paolo Bonzini
2021-12-22 9:35 ` Chenyi Qiang
2020-07-06 16:41 ` [PULL 32/53] target/i386: sev: provide proper error reporting for query-sev-capabilities Paolo Bonzini
2020-07-06 16:41 ` [PULL 33/53] target/i386: sev: fail query-sev-capabilities if QEMU cannot use SEV Paolo Bonzini
2020-07-06 16:41 ` [PULL 34/53] iscsi: handle check condition status in retry loop Paolo Bonzini
2020-07-06 16:41 ` [PULL 35/53] iscsi: return -EIO when sense fields are meaningless Paolo Bonzini
2020-07-06 16:41 ` [PULL 36/53] chardev/tcp: fix error message double free error Paolo Bonzini
2020-07-06 16:41 ` [PULL 37/53] checkpatch: Change occurences of 'kernel' to 'qemu' in user messages Paolo Bonzini
2020-07-06 16:41 ` [PULL 38/53] target/i386: Correct the warning message of Intel PT Paolo Bonzini
2020-07-06 16:41 ` [PULL 39/53] cpus: Move CPU code from exec.c to cpus-common.c Paolo Bonzini
2020-07-06 16:41 ` [PULL 40/53] pc: fix leak in pc_system_flash_cleanup_unused Paolo Bonzini
2020-07-06 16:41 ` [PULL 41/53] softmmu: move softmmu only files from root Paolo Bonzini
2020-07-06 16:41 ` [PULL 42/53] cpu-throttle: new module, extracted from cpus.c Paolo Bonzini
2020-07-06 16:41 ` [PULL 43/53] cpu-timers, icount: new modules Paolo Bonzini
2020-07-06 16:41 ` [PULL 44/53] softmmu/vl: Remove the check for colons in -accel parameters Paolo Bonzini
2020-07-06 16:41 ` [PULL 45/53] accel/kvm: Let kvm_check_extension use global KVM state Paolo Bonzini
2020-07-06 16:41 ` [PULL 46/53] accel/kvm: Simplify kvm_check_extension() Paolo Bonzini
2020-07-06 16:41 ` [PULL 47/53] accel/kvm: Simplify kvm_check_extension_list() Paolo Bonzini
2020-07-06 16:41 ` [PULL 48/53] target/i386/kvm: Simplify get_para_features() Paolo Bonzini
2020-07-06 16:41 ` [PULL 49/53] target/i386/kvm: Simplify kvm_get_mce_cap_supported() Paolo Bonzini
2020-07-06 16:41 ` [PULL 50/53] target/i386/kvm: Simplify kvm_get_supported_[feature]_msrs() Paolo Bonzini
2020-07-06 16:41 ` [PULL 51/53] target/i386: Add SERIALIZE cpu feature Paolo Bonzini
2020-07-06 16:41 ` [PULL 52/53] target/i386: Enable TSX Suspend Load Address Tracking feature Paolo Bonzini
2020-07-06 16:41 ` [PULL 53/53] scripts: improve message when TAP based tests fail Paolo Bonzini
2020-07-06 17:19 ` [PULL 00/53] Misc patches for QEMU 5.1 soft freeze no-reply
2020-07-07 18:37 ` Peter Maydell
2020-07-07 18:42 ` Peter Maydell
2020-07-07 18:48 ` Paolo Bonzini
2020-07-08 8:25 ` Philippe Mathieu-Daudé
2020-07-08 16:13 ` Claudio Fontana
2020-07-08 16:16 ` Paolo Bonzini
2020-07-08 16:45 ` Claudio Fontana
2020-07-08 16:55 ` Paolo Bonzini
2020-07-08 17:03 ` Claudio Fontana [this message]
2020-07-08 18:25 ` Claudio Fontana
2020-07-08 18:34 ` Claudio Fontana
2020-07-08 18:41 ` Paolo Bonzini
2020-07-09 6:59 ` Claudio Fontana
2020-07-09 9:57 ` Paolo Bonzini
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