Re: [PATCH v2 4/6] libxc: use multicall for memory-op on Linux (and Solaris)

2021-06-22 Thread Andrew Cooper
On 22/06/2021 16:19, Jan Beulich wrote: > Some sub-functions, XENMEM_maximum_gpfn and XENMEM_maximum_ram_page in > particular, can return values requiring more than 31 bits to represent. > Hence we cannot issue the hypercall directly when the return value of > ioctl() is used to propagate this valu

[PATCH v2 4/6] libxc: use multicall for memory-op on Linux (and Solaris)

2021-06-22 Thread Jan Beulich
Some sub-functions, XENMEM_maximum_gpfn and XENMEM_maximum_ram_page in particular, can return values requiring more than 31 bits to represent. Hence we cannot issue the hypercall directly when the return value of ioctl() is used to propagate this value (note that this is not the case for the BSDs,