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arm_ramdisk.image.gz / initramfs / image.ub (PetaLinux)

y_okada

I am using PetaLinux (Avnet-MicroZed-z7010-v2014.2.bsp) for MicroZed.

I am currently confused with ramdisk used for PetaLinux.

I found information on arm_ramdisk.gz for Zynq. However, it seems that arm_ramdisk.gz is initrd not initramfs.

And I found information that says initramfs is included in image.ub when building the uImage file from PetaLinux.


My question is:
Is the arm_ramdisk.gz not needed for PetaLinux V2014.2 and later since initramfs is included in image.ub?