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...VM boot failed sometimes if using vhost-user-blk with spdk > > I'm using following command line to start VM (The /var/tmp/vhost.0 connected to a > malloc bdev (16 MB ) created by SPDK): > /home/wuzhouhui/qemu-2.12.1/x86_64-softmmu/qemu-system-x86_64 \ > -name guest=wzh,debug-threads=on \ > -machine pc-i440fx-2.12,accel=kvm,usb=off \ > -cpu host \ > -m 4096 \ > -object memory-backend-file,id=mem0,size=4096M,mem-path=/dev/hugepages,share=on \ > -numa node,memdev=mem0 \ > -realtime mlock=o...

Hello, It seems to me that LLVM is merging/in-lining the tail function to its caller. I am wondering if there is a flag that I can use to turn off this optimization? Thanks! Wei