On 03/07/2016 03:25 PM, Anshuman Khandual wrote: > For partition running on PHYP, there can be a adjunct partition > which shares the virtual address range with the operating system. > Virtual address ranges which can be used by the adjunct partition > are communicated with virtual device node of the device tree with > a property known as "ibm,reserved-virtual-addresses". This patch > introduces a new function named 'validate_reserved_va_range' which > is called during initialization to validate that these reserved > virtual address ranges do not overlap with the address ranges used > by the kernel for all supported memory contexts. This helps prevent > the possibility of getting return codes similar to H_RESOURCE for > H_PROTECT hcalls for conflicting HPTE entries. > > Signed-off-by: Anshuman Khandual <khand...@linux.vnet.ibm.com> > --- > - Tested on both POWER8 LE and BE platforms > > Changes in V2: > - Added braces to the definition of LINUX_VA_BITS > - Adjusted tabs as spaces for the definition of PARTIAL_LINUX_VA_MASK
mpe, any updates on this ? _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
