On 3/2/20 7:47 AM, Anshuman Khandual wrote: > There are many places where all basic VMA access flags (read, write, exec) > are initialized or checked against as a group. One such example is during > page fault. Existing vma_is_accessible() wrapper already creates the notion > of VMA accessibility as a group access permissions. Hence lets just create > VM_ACCESS_FLAGS (VM_READ|VM_WRITE|VM_EXEC) which will not only reduce code > duplication but also extend the VMA accessibility concept in general. > > Cc: Russell King <[email protected]> > CC: Catalin Marinas <[email protected]> > CC: Mark Salter <[email protected]> > Cc: Nick Hu <[email protected]> > CC: Ley Foon Tan <[email protected]> > Cc: Michael Ellerman <[email protected]> > Cc: Heiko Carstens <[email protected]> > Cc: Yoshinori Sato <[email protected]> > Cc: Guan Xuetao <[email protected]> > Cc: Dave Hansen <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Rob Springer <[email protected]> > Cc: Greg Kroah-Hartman <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Signed-off-by: Anshuman Khandual <[email protected]>
Dunno. Such mask seems ok for testing flags, but it's a bit awkward when initializing flags, where it covers just one of many combinations that seem used. But no strong opinions, patch looks correct. _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
