search for: max_uptime

Setting the IF flag can cause an VM exit. So we should avoid touching the IF flag until absolutely necessary. This patch change the way the paravirt arch_local_irq_restore() works by checking the previous flags value and call arch_local_irq_enable() only if the IF flag was set previously. On a 32 vCPUs KVM guest running the AIM7 five-sec workload, the performance increased slightly from 302136.32

Setting the IF flag can cause an VM exit. So we should avoid touching the IF flag until absolutely necessary. This patch change the way the paravirt arch_local_irq_restore() works by checking the previous flags value and call arch_local_irq_enable() only if the IF flag was set previously. On a 32 vCPUs KVM guest running the AIM7 five-sec workload, the performance increased slightly from 302136.32

...cc-7/c8bf448ff3899860de51fbae61a43619c912ddf2' export user='lkp' export result_root='/result/boot/1/vm-lkp-nhm-dp2-yocto-ia32/yocto-tiny-i386-2016-04-22.cgz/x86_64-randconfig-s3-02020248/gcc-7/c8bf448ff3899860de51fbae61a43619c912ddf2/0' export LKP_SERVER='inn' export max_uptime=600 export initrd='/osimage/yocto/yocto-tiny-i386-2016-04-22.cgz' export bootloader_append='root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-nhm-dp2-yocto-ia32-1/boot-1-yocto-tiny-i386-2016-04-22.cgz-c8bf448ff3899860de51fbae61a43619c912ddf2-20180202-84728-v84elh-0.yaml ARCH=x86_64 kc...

...31.cgz-3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f-20171029-69014-181lmno-0.yaml ARCH=x86_64 kconfig=x86_64-rhel-7.2 branch=tip/master commit=3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f BOOT_IMAGE=/pkg/linux/x86_64-rhel-7.2/gcc-6/3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f/vmlinuz-4.14.0-rc6-00162-g3d6dabc2 max_uptime=3600 RESULT_ROOT=/result/perf-sanity-tests/defaults/lkp-hsw-ep4/debian-x86_64-2016-08-31.cgz/x86_64-rhel-7.2/gcc-6/3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f/1 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_p...

...31.cgz-3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f-20171029-69014-181lmno-0.yaml ARCH=x86_64 kconfig=x86_64-rhel-7.2 branch=tip/master commit=3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f BOOT_IMAGE=/pkg/linux/x86_64-rhel-7.2/gcc-6/3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f/vmlinuz-4.14.0-rc6-00162-g3d6dabc2 max_uptime=3600 RESULT_ROOT=/result/perf-sanity-tests/defaults/lkp-hsw-ep4/debian-x86_64-2016-08-31.cgz/x86_64-rhel-7.2/gcc-6/3d6dabc2c8b475c40d8f4a8b5da8c5d71b2fa13f/1 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_p...

This patch series aims to move the logical block size checking to the block code. This was inspired by missing check for valid logical block size in virtio-blk which causes the kernel to crash in a weird way later on when it is invalid. I added blk_is_valid_logical_block_size which returns true iff the block size is one of supported sizes. I added this check to virtio-blk, and also converted

This patch series aims to move the logical block size checking to the block code. This was inspired by missing check for valid logical block size in virtio-blk which causes the kernel to crash in a weird way later on when it is invalid. I added blk_is_valid_logical_block_size which returns true iff the block size is one of supported sizes. I added this check to virtio-blk, and also converted

Hi, here is the next version of changes to enable Linux to run as an SEV-ES guest. The code was rebased to v5.7-rc3 and got a fair number of changes since the last version. What is SEV-ES ============== SEV-ES is an acronym for 'Secure Encrypted Virtualization - Encrypted State' and means a hardware feature of AMD processors which hides the register state of VCPUs to the hypervisor by

Hi, here is the next version of changes to enable Linux to run as an SEV-ES guest. The code was rebased to v5.7-rc3 and got a fair number of changes since the last version. What is SEV-ES ============== SEV-ES is an acronym for 'Secure Encrypted Virtualization - Encrypted State' and means a hardware feature of AMD processors which hides the register state of VCPUs to the hypervisor by