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== Summary ==
XSAVE stands for similar x86 instruction [https://hjlebbink.github.io/x86doc/html/XSAVE.html xsave] which places extended processor state into
the memory area. The saving can be initiated by any userspace application , where the size of the frame being written to memory upon the instruction depends on processor capabilities and may vary between different models. This aspect may cause a problem in a case of images migration.