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helo=infra.test-lab.xenproject.org) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mGYOn-0003yz-Pa; Thu, 19 Aug 2021 03:07:21 +0000 Received: from [172.16.148.1] (helo=osstest.test-lab.xenproject.org) by infra.test-lab.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mGYOn-0008K1-7H; Thu, 19 Aug 2021 03:07:21 +0000 Received: from osstest by osstest.test-lab.xenproject.org with local (Exim 4.92) (envelope-from ) id 1mGYOn-00023e-6l; Thu, 19 Aug 2021 03:07:21 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xenproject.org; s=20200302mail; h=Date:From:Subject:MIME-Version: Content-Transfer-Encoding:Content-Type:Message-ID:To; bh=HGr2aM3uLBDplUt4G2ViKeW1ecbhoc2U3tHXw0rWwWI=; b=r/rR7wzyd3W9vb7NaNmgV8ePmL o8bjcdsSXStVvt+A2xMJfcGr4V5t29Qol1Gjw4C0kHMa+RMQiyMC75or4Uv1Zbfd/KRCJJ1YIUtcp CULb43QusS4UHielhu2ZIIVOCKx5RQOXlGoiuKGPBO2b2K+oDCXf3DRvo+CCBd0dSTxk=; To: xen-devel@lists.xenproject.org, osstest-admin@xenproject.org Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit MIME-Version: 1.0 Subject: [xen-unstable test] 164237: regressions - FAIL X-Osstest-Failures: xen-unstable:test-amd64-amd64-amd64-pvgrub:debian-di-install:fail:regression xen-unstable:test-amd64-amd64-i386-pvgrub:debian-di-install:fail:regression xen-unstable:test-amd64-amd64-xl-qemut-win7-amd64:guest-stop:fail:nonblocking xen-unstable:test-amd64-amd64-qemuu-nested-amd:debian-hvm-install/l1/l2:fail:nonblocking xen-unstable:test-amd64-amd64-xl-qemuu-ws16-amd64:guest-stop:fail:nonblocking xen-unstable:test-amd64-i386-xl-qemut-ws16-amd64:guest-stop:fail:nonblocking xen-unstable:test-amd64-i386-xl-qemut-win7-amd64:guest-stop:fail:nonblocking xen-unstable:test-armhf-armhf-libvirt:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-libvirt-raw:saverestore-support-check:fail:nonblocking xen-unstable:test-amd64-amd64-xl-qemut-ws16-amd64:guest-stop:fail:nonblocking xen-unstable:test-amd64-i386-xl-qemuu-win7-amd64:guest-stop:fail:nonblocking xen-unstable:test-amd64-i386-xl-qemuu-ws16-amd64:guest-stop:fail:nonblocking xen-unstable:test-amd64-amd64-xl-qemuu-win7-amd64:guest-stop:fail:nonblocking xen-unstable:test-arm64-arm64-xl-seattle:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-seattle:saverestore-support-check:fail:nonblocking xen-unstable:test-amd64-i386-libvirt:migrate-support-check:fail:nonblocking xen-unstable:test-amd64-i386-libvirt-xsm:migrate-support-check:fail:nonblocking xen-unstable:test-amd64-amd64-libvirt:migrate-support-check:fail:nonblocking xen-unstable:test-amd64-amd64-libvirt-xsm:migrate-support-check:fail:nonblocking xen-unstable:test-amd64-i386-xl-pvshim:guest-start:fail:nonblocking xen-unstable:test-arm64-arm64-xl:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl:saverestore-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-xsm:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-xsm:saverestore-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-credit1:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-credit1:saverestore-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-thunderx:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-thunderx:saverestore-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-credit2:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-xl-credit2:saverestore-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-libvirt-xsm:migrate-support-check:fail:nonblocking xen-unstable:test-arm64-arm64-libvirt-xsm:saverestore-support-check:fail:nonblocking xen-unstable:test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-arndale:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-arndale:saverestore-support-check:fail:nonblocking xen-unstable:test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm:migrate-support-check:fail:nonblocking xen-unstable:test-amd64-amd64-libvirt-vhd:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-credit1:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-credit2:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-credit1:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-credit2:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-multivcpu:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-multivcpu:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-rtds:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-rtds:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-vhd:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-vhd:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl:saverestore-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-libvirt:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-libvirt-raw:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-cubietruck:migrate-support-check:fail:nonblocking xen-unstable:test-armhf-armhf-xl-cubietruck:saverestore-support-check:fail:nonblocking X-Osstest-Versions-This: xen=54c9736382e0d558a6acd820e44185e020131c48 X-Osstest-Versions-That: xen=5a88d524857e5bf78b077d30ea515fcaac061bfc From: osstest service owner Date: Thu, 19 Aug 2021 03:07:21 +0000 flight 164237 xen-unstable real [real] flight 164246 xen-unstable real-retest [real] http://logs.test-lab.xenproject.org/osstest/logs/164237/ http://logs.test-lab.xenproject.org/osstest/logs/164246/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-amd64-amd64-amd64-pvgrub 12 debian-di-install fail REGR. vs. 164178 test-amd64-amd64-i386-pvgrub 12 debian-di-install fail REGR. vs. 164178 Tests which did not succeed, but are not blocking: test-amd64-amd64-xl-qemut-win7-amd64 19 guest-stop fail like 164178 test-amd64-amd64-qemuu-nested-amd 20 debian-hvm-install/l1/l2 fail like 164178 test-amd64-amd64-xl-qemuu-ws16-amd64 19 guest-stop fail like 164178 test-amd64-i386-xl-qemut-ws16-amd64 19 guest-stop fail like 164178 test-amd64-i386-xl-qemut-win7-amd64 19 guest-stop fail like 164178 test-armhf-armhf-libvirt 16 saverestore-support-check fail like 164178 test-armhf-armhf-libvirt-raw 15 saverestore-support-check fail like 164178 test-amd64-amd64-xl-qemut-ws16-amd64 19 guest-stop fail like 164178 test-amd64-i386-xl-qemuu-win7-amd64 19 guest-stop fail like 164178 test-amd64-i386-xl-qemuu-ws16-amd64 19 guest-stop fail like 164178 test-amd64-amd64-xl-qemuu-win7-amd64 19 guest-stop fail like 164178 test-arm64-arm64-xl-seattle 15 migrate-support-check fail never pass test-arm64-arm64-xl-seattle 16 saverestore-support-check fail never pass test-amd64-i386-libvirt 15 migrate-support-check fail never pass test-amd64-i386-libvirt-xsm 15 migrate-support-check fail never pass test-amd64-amd64-libvirt 15 migrate-support-check fail never pass test-amd64-amd64-libvirt-xsm 15 migrate-support-check fail never pass test-amd64-i386-xl-pvshim 14 guest-start fail never pass test-arm64-arm64-xl 15 migrate-support-check fail never pass test-arm64-arm64-xl 16 saverestore-support-check fail never pass test-arm64-arm64-xl-xsm 15 migrate-support-check fail never pass test-arm64-arm64-xl-xsm 16 saverestore-support-check fail never pass test-arm64-arm64-xl-credit1 15 migrate-support-check fail never pass test-arm64-arm64-xl-credit1 16 saverestore-support-check fail never pass test-arm64-arm64-xl-thunderx 15 migrate-support-check fail never pass test-arm64-arm64-xl-thunderx 16 saverestore-support-check fail never pass test-arm64-arm64-xl-credit2 15 migrate-support-check fail never pass test-arm64-arm64-xl-credit2 16 saverestore-support-check fail never pass test-arm64-arm64-libvirt-xsm 15 migrate-support-check fail never pass test-arm64-arm64-libvirt-xsm 16 saverestore-support-check fail never pass test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 13 migrate-support-check fail never pass test-armhf-armhf-xl-arndale 15 migrate-support-check fail never pass test-armhf-armhf-xl-arndale 16 saverestore-support-check fail never pass test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 13 migrate-support-check fail never pass test-amd64-amd64-libvirt-vhd 14 migrate-support-check fail never pass test-armhf-armhf-xl-credit1 15 migrate-support-check fail never pass test-armhf-armhf-xl-credit2 15 migrate-support-check fail never pass test-armhf-armhf-xl-credit1 16 saverestore-support-check fail never pass test-armhf-armhf-xl-credit2 16 saverestore-support-check fail never pass test-armhf-armhf-xl-multivcpu 15 migrate-support-check fail never pass test-armhf-armhf-xl-multivcpu 16 saverestore-support-check fail never pass test-armhf-armhf-xl-rtds 15 migrate-support-check fail never pass test-armhf-armhf-xl-rtds 16 saverestore-support-check fail never pass test-armhf-armhf-xl-vhd 14 migrate-support-check fail never pass test-armhf-armhf-xl-vhd 15 saverestore-support-check fail never pass test-armhf-armhf-xl 15 migrate-support-check fail never pass test-armhf-armhf-xl 16 saverestore-support-check fail never pass test-armhf-armhf-libvirt 15 migrate-support-check fail never pass test-armhf-armhf-libvirt-raw 14 migrate-support-check fail never pass test-armhf-armhf-xl-cubietruck 15 migrate-support-check fail never pass test-armhf-armhf-xl-cubietruck 16 saverestore-support-check fail never pass version targeted for testing: xen 54c9736382e0d558a6acd820e44185e020131c48 baseline version: xen 5a88d524857e5bf78b077d30ea515fcaac061bfc Last test of basis 164178 2021-08-13 10:47:20 Z 5 days Failing since 164182 2021-08-14 00:39:12 Z 5 days 8 attempts Testing same since 164237 2021-08-18 07:24:21 Z 0 days 1 attempts ------------------------------------------------------------ People who touched revisions under test: Andrew Cooper Jan Beulich Jane Malalane Kevin Stefanov Marek Marczykowski-Górecki jobs: build-amd64-xsm pass build-arm64-xsm pass build-i386-xsm pass build-amd64-xtf pass build-amd64 pass build-arm64 pass build-armhf pass build-i386 pass build-amd64-libvirt pass build-arm64-libvirt pass build-armhf-libvirt pass build-i386-libvirt pass build-amd64-prev pass build-i386-prev pass build-amd64-pvops pass build-arm64-pvops pass build-armhf-pvops pass build-i386-pvops pass test-xtf-amd64-amd64-1 pass test-xtf-amd64-amd64-2 pass test-xtf-amd64-amd64-3 pass test-xtf-amd64-amd64-4 pass test-xtf-amd64-amd64-5 pass test-amd64-amd64-xl pass test-amd64-coresched-amd64-xl pass test-arm64-arm64-xl pass test-armhf-armhf-xl pass test-amd64-i386-xl pass test-amd64-coresched-i386-xl pass test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm pass test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm pass test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm pass test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm pass test-amd64-amd64-xl-qemut-debianhvm-i386-xsm pass test-amd64-i386-xl-qemut-debianhvm-i386-xsm pass test-amd64-amd64-xl-qemuu-debianhvm-i386-xsm pass test-amd64-i386-xl-qemuu-debianhvm-i386-xsm pass test-amd64-amd64-libvirt-xsm pass test-arm64-arm64-libvirt-xsm pass test-amd64-i386-libvirt-xsm pass test-amd64-amd64-xl-xsm pass test-arm64-arm64-xl-xsm pass test-amd64-i386-xl-xsm pass test-amd64-amd64-qemuu-nested-amd fail test-amd64-amd64-xl-pvhv2-amd pass test-amd64-i386-qemut-rhel6hvm-amd pass test-amd64-i386-qemuu-rhel6hvm-amd pass test-amd64-amd64-dom0pvh-xl-amd pass test-amd64-amd64-xl-qemut-debianhvm-amd64 pass test-amd64-i386-xl-qemut-debianhvm-amd64 pass test-amd64-amd64-xl-qemuu-debianhvm-amd64 pass test-amd64-i386-xl-qemuu-debianhvm-amd64 pass test-amd64-i386-freebsd10-amd64 pass test-amd64-amd64-qemuu-freebsd11-amd64 pass test-amd64-amd64-qemuu-freebsd12-amd64 pass test-amd64-amd64-xl-qemuu-ovmf-amd64 pass test-amd64-i386-xl-qemuu-ovmf-amd64 pass test-amd64-amd64-xl-qemut-win7-amd64 fail test-amd64-i386-xl-qemut-win7-amd64 fail test-amd64-amd64-xl-qemuu-win7-amd64 fail test-amd64-i386-xl-qemuu-win7-amd64 fail test-amd64-amd64-xl-qemut-ws16-amd64 fail test-amd64-i386-xl-qemut-ws16-amd64 fail test-amd64-amd64-xl-qemuu-ws16-amd64 fail test-amd64-i386-xl-qemuu-ws16-amd64 fail test-armhf-armhf-xl-arndale pass test-amd64-amd64-xl-credit1 pass test-arm64-arm64-xl-credit1 pass test-armhf-armhf-xl-credit1 pass test-amd64-amd64-xl-credit2 pass test-arm64-arm64-xl-credit2 pass test-armhf-armhf-xl-credit2 pass test-armhf-armhf-xl-cubietruck pass test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict pass test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict pass test-amd64-amd64-examine pass test-arm64-arm64-examine pass test-armhf-armhf-examine pass test-amd64-i386-examine pass test-amd64-i386-freebsd10-i386 pass test-amd64-amd64-qemuu-nested-intel pass test-amd64-amd64-xl-pvhv2-intel pass test-amd64-i386-qemut-rhel6hvm-intel pass test-amd64-i386-qemuu-rhel6hvm-intel pass test-amd64-amd64-dom0pvh-xl-intel pass test-amd64-amd64-libvirt pass test-armhf-armhf-libvirt pass test-amd64-i386-libvirt pass test-amd64-amd64-livepatch pass test-amd64-i386-livepatch pass test-amd64-amd64-migrupgrade pass test-amd64-i386-migrupgrade pass test-amd64-amd64-xl-multivcpu pass test-armhf-armhf-xl-multivcpu pass test-amd64-amd64-pair pass test-amd64-i386-pair pass test-amd64-amd64-libvirt-pair pass test-amd64-i386-libvirt-pair pass test-amd64-amd64-amd64-pvgrub fail test-amd64-amd64-i386-pvgrub fail test-amd64-amd64-xl-pvshim pass test-amd64-i386-xl-pvshim fail test-amd64-amd64-pygrub pass test-amd64-amd64-xl-qcow2 pass test-armhf-armhf-libvirt-raw pass test-amd64-i386-xl-raw pass test-amd64-amd64-xl-rtds pass test-armhf-armhf-xl-rtds pass test-arm64-arm64-xl-seattle pass test-amd64-amd64-xl-qemuu-debianhvm-amd64-shadow pass test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow pass test-amd64-amd64-xl-shadow pass test-amd64-i386-xl-shadow pass test-arm64-arm64-xl-thunderx pass test-amd64-amd64-libvirt-vhd pass test-armhf-armhf-xl-vhd pass ------------------------------------------------------------ sg-report-flight on osstest.test-lab.xenproject.org logs: /home/logs/logs images: /home/logs/images Logs, config files, etc. are available at http://logs.test-lab.xenproject.org/osstest/logs Explanation of these reports, and of osstest in general, is at http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master Test harness code can be found at http://xenbits.xen.org/gitweb?p=osstest.git;a=summary Not pushing. ------------------------------------------------------------ commit 54c9736382e0d558a6acd820e44185e020131c48 Author: Andrew Cooper Date: Tue Aug 17 11:38:07 2021 +0100 x86/cet: Fix build on newer versions of GCC Some versions of GCC complain with: traps.c:405:22: error: 'get_shstk_bottom' defined but not used [-Werror=unused-function] static unsigned long get_shstk_bottom(unsigned long sp) ^~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Change #ifdef to if ( IS_ENABLED(...) ) to make the sole user of get_shstk_bottom() visible to the compiler. Fixes: 35727551c070 ("x86/cet: Fix shskt manipulation error with BUGFRAME_{warn,run_fn}") Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich Compile-tested-by: Jan Beulich Tested-by: Marek Marczykowski-Górecki commit 35727551c0703493a2240e967cffc3063b13d49c Author: Andrew Cooper Date: Thu Aug 12 17:39:16 2021 +0100 x86/cet: Fix shskt manipulation error with BUGFRAME_{warn,run_fn} This was a clear oversight in the original CET work. The BUGFRAME_run_fn and BUGFRAME_warn paths update regs->rip without an equivalent adjustment to the shadow stack, causing IRET to suffer #CP because of the mismatch. One subtle, and therefore fragile, aspect of extable_shstk_fixup() was that it required regs->rip to have its old value as a cross-check that the right word in the shadow stack was being edited. Rework extable_shstk_fixup() into fixup_exception_return() which takes ownership of the update to both the regular and shadow stacks, ensuring that the regs->rip update is ordered correctly. Use the new fixup_exception_return() for BUGFRAME_run_fn and BUGFRAME_warn to ensure that the shadow stack is updated too. Fixes: 209fb9919b50 ("x86/extable: Adjust extable handling to be shadow stack compatible") Reported-by: Marek Marczykowski-Górecki Signed-off-by: Andrew Cooper Tested-by: Marek Marczykowski-Górecki Reviewed-by: Jan Beulich commit bc141e8ca56200bdd0a12e04a6ebff3c19d6c27b Author: Andrew Cooper Date: Mon Aug 16 14:24:44 2021 +0100 x86/ACPI: Insert missing newlines into FACS error messages Booting Xen as a PVH guest currently yields: (XEN) ACPI: SLEEP INFO: pm1x_cnt[1:b004,1:0], pm1x_evt[1:b000,1:0] (XEN) ACPI: FACS is not 64-byte aligned: 0xfc001010<2>ACPI: wakeup_vec[fc00101c], vec_size[20] (XEN) ACPI: Local APIC address 0xfee00000 Insert newlines as appropriate. Fixes: d3faf9badf52 ("[host s3] Retrieve necessary sleep information from plain-text ACPI tables (FADT/FACS), and keep one hypercall remained for sleep notification.") Fixes: 0f089bbf43ec ("x86/ACPI: fix S3 wakeup vector mapping") Signed-off-by: Andrew Cooper Acked-by: Jan Beulich commit 6928bc511399fd8f593fe49a3241212860a6a1b5 Author: Andrew Cooper Date: Thu Aug 12 14:49:57 2021 +0100 MAINTAINERS: Fix file path for kexec headers Signed-off-by: Andrew Cooper Acked-by: Jan Beulich commit 274c5e79c792ce0331d0d8cd9a01545dea5a48fd Author: Kevin Stefanov Date: Mon Aug 16 15:16:56 2021 +0200 x86/ioapic: remove use of TRUE/FALSE/1/0 Also fix stray usage in VT-d. Suggested-by: Andrew Cooper Signed-off-by: Kevin Stefanov Reviewed-by: Jan Beulich commit 2e5512d1ffd2e720f25c376df12db8a914117589 Author: Jane Malalane Date: Mon Aug 16 15:16:20 2021 +0200 x86/pv: provide more helpful error when CONFIG_PV32 is absent Currently, when booting a 32bit dom0 kernel, the message isn't very helpful: (XEN) Xen kernel: 64-bit, lsb (XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0x100000 -> 0x112000 (XEN) Mismatch between Xen and DOM0 kernel (XEN) (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) Could not construct domain 0 (XEN) **************************************** With this adjustment, it now looks like this: (XEN) Xen kernel: 64-bit, lsb (XEN) Found 32-bit PV kernel, but CONFIG_PV32 missing (XEN) (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) Could not construct domain 0 (XEN) **************************************** Suggested-by: Andrew Cooper Signed-off-by: Jane Malalane Reviewed-by: Jan Beulich commit c53aa9e655e7c615283e9e9637376c2b865e9dae Author: Jane Malalane Date: Mon Aug 16 15:15:43 2021 +0200 x86/pv: remove unnecessary use of goto out in construct_dom0() elf_check_broken() only needs to be invoked after elf_xen_parse() and after elf_load_binary(). Suggested-by: Jan Beulich Signed-off-by: Jane Malalane Reviewed-by: Jan Beulich commit 60a9d8d2fc9c4a524c7342499580a88aaa3a2b55 Author: Marek Marczykowski-Górecki Date: Mon Aug 16 15:14:37 2021 +0200 ns16550: do not override fifo size if explicitly set If fifo size is already set via uart_params, do not force it to 16 - which may not match the actual hardware. Specifically Exar cards have fifo of 256 bytes. Signed-off-by: Marek Marczykowski-Górecki Reviewed-by: Jan Beulich commit 5c34b9af05b9e5abd25d88efc4fb783136547810 Author: Jan Beulich Date: Fri Aug 13 16:50:09 2021 +0200 libxc: simplify HYPERCALL_BUFFER() _hcbuf_buf1 has been there only for a pointer comparison to validate type compatibility. The same can be achieved by not using typeof() on the definition of what so far was _hcbuf_buf2, as the initializer has to also be type-compatible. Drop _hcbuf_buf1 and the comaprison; rename _hcbuf_buf2. Since we're already using compiler extensions here, don't be shy and also omit the middle operand of the involved ?: operator. Bring line continuation character placement in line with that of related macros. Signed-off-by: Jan Beulich Acked-by: Andrew Cooper commit e241d15f1c8a8a02baa401af857393f9ada5aeb3 Author: Jan Beulich Date: Fri Aug 13 16:49:46 2021 +0200 libxenguest: fix off-by-1 in colo-secondary-bitmap merging Valid GFNs (having a representation in the dirty bitmap) need to be strictly below p2m_size. Signed-off-by: Jan Beulich Reviewed-by: Andrew Cooper commit 1a838bf72584788310496ba5f3d865457c80727f Author: Jan Beulich Date: Fri Aug 13 16:49:10 2021 +0200 libxenguest: complete loops in xc_map_domain_meminfo() minfo->p2m_size may have more than 31 significant bits. Change the induction variable to unsigned long, and (largely for signed-ness consistency) a helper variable to unsigned int. While there also avoid open-coding min(). Signed-off-by: Jan Beulich Acked-by: Andrew Cooper (qemu changes not included)