[PATCH 9/9] x86, pkeys, selftests: add PROT_EXEC test

2018-04-27 Thread Dave Hansen
From: Dave Hansen Under the covers, implement executable-only memory with protection keys when userspace calls mprotect(PROT_EXEC). But, we did not have a selftest for that. Now we do. Signed-off-by: Dave Hansen Cc: Ram Pai Cc: Thomas Gleixner Cc: Dave Hansen Cc: Michael Ellermen Cc: Ing

[PATCH 9/9] x86, pkeys, selftests: add PROT_EXEC test

2018-03-26 Thread Dave Hansen
From: Dave Hansen Under the covers, implement executable-only memory with protection keys when userspace calls mprotect(PROT_EXEC). But, we did not have a selftest for that. Now we do. Signed-off-by: Dave Hansen Cc: Ram Pai Cc: Thomas Gleixner Cc: Dave Hansen Cc: Michael Ellermen Cc: Ing

[PATCH 9/9] x86, pkeys, selftests: add PROT_EXEC test

2018-03-23 Thread Dave Hansen
From: Dave Hansen Under the covers, implement executable-only memory with protection keys when userspace calls mprotect(PROT_EXEC). But, we did not have a selftest for that. Now we do. Signed-off-by: Dave Hansen Cc: Ram Pai Cc: Thomas Gleixner Cc: Dave Hansen Cc: Michael Ellermen Cc: Ing