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What doesn't work in CRIU, ARM edition
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One Line Summary
Missing pieces for full ARM/AArch64 support and new use cases from ARM work hopefully worth sharing across all architectures
Abstract
Overview and details of the CRIU/kernel todo list from an ARM perspective:
- VDSO unmap/remap
- TASK_SIZE variance
- KUSER_HELPERS
- Android Binder IPC
Also discuss ways work on ARM could better apply to all the architectures
- Kernel VDSO code duplication
- My approach to “Set checkpoint tokens without recompiling”—set a breakpoint, stop the process, dump the process, restore the process, continue the process
- ptrace-wait and company
- Seamless/zero-downtime firmware upgrade use case
Speaker
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Christopher Covington
Qualocomm Datacenter Technologies- Blog: http://covlibre.net/
Biography
I work on enabling enterprise grade Linux distributions on Qualcomm Datacenter Technologies ARM server hardware. I also have a background in simulation and performance analysis. Free/libre/open source projects that I have worked with include the Linux kernel, the perf events framework, QEMU system emulation, and Checkpoint/Restore In Userspace (CRIU).