On Wed, Feb 24, 2016 at 03:33:08PM +0000, Andre Przywara wrote: > The pre_init stub consists of two syscalls mouting the host's FS > via 9pfs and then calling the actual init binary, which can now > use normal dynamic linking. > Based on the x86 code provide an ARM and ARM64 implementation of > that. Beside removing the need for static linkage it reduces the > size of the kvmtool binary by quite a lot (numbers for aarch64): > > -rwxr-xr-x 1 root root 9952 Nov 16 14:37 guest/init > -rwxr-xr-x 1 root root 512 Nov 16 14:37 guest/pre_init > -rwxr-xr-x 2 root root 1284704 Nov 16 14:37 lkvm > vs. the old version: > -rwxr-xr-x 1 root root 776024 Nov 16 14:38 guest/init > -rwxr-xr-x 2 root root 2050112 Nov 16 14:38 lkvm > > Tested on Midway and Juno. Hmm, I'm not super keen on switching behaviour like this on arm, where it's not uncommon to build a static lkvm and transfer it to a remote target and expect init to work. Perhaps we could only do this when building a dynamic executable? Will -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
