On (Wed) 01 Feb 2017 [00:02:27], Omar Sandoval wrote: > From: Omar Sandoval <osandov@xxxxxx> > > put_chars() stuffs the buffer it gets into an sg, but that buffer may be > on the stack. This breaks with CONFIG_VMAP_STACK=y (for me, it > manifested as printks getting turned into NUL bytes). Seems reasonable. I wonder since all implementations of hvc do a memcpy, if we can abstract it - but that'll need some work. Reviewed-by: Amit Shah <amit.shah@xxxxxxxxxx> Michael, please add to the virtio queue. Amit _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization