path: root/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c (unfollow)
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2016-11-14powerpc: Add support for relative exception tablesNicholas Piggin1-4/+8
This halves the exception table size on 64-bit builds, and it allows build-time sorting of exception tables to work on relocated kernels. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> [mpe: Minor asm fixups and bits to keep the selftests working] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-11-14selftests/powerpc: Fail load_unaligned_zeropad on miscompareMichael Ellerman1-1/+3
If the result returned by load_unaligned_zeropad() doesn't match what we expect we should fail the test! Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-11-14selftests/powerpc: Abort load_unaligned_zeropad on unhandled SEGVMichael Ellerman1-4/+1
If the load unaligned zeropad test takes a SEGV which can't be handled, we increment segv_error, print the offending NIP and then return without taking any further action. In almost all cases this means we'll just take the SEGV again, and loop eternally spamming the console. Instead just abort(), it's a fatal error in the test. The test harness will notice that the child died and print a nice message for us. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-10-13selftests/powerpc: Fix build failure of load_unaligned_zeropad testMichael Ellerman1-0/+9
Commit 7a5692e6e533 ("arch/powerpc: provide zero_bytemask() for big-endian") added a call to __fls() in our word-at-a-time.h. That was fine for the kernel build but missed the fact that we also use word-at-a-time.h in a userspace test. Pulling in the kernel version of __fls() gets messy, so just define our own, it's unlikely to change often. Fixes: 7a5692e6e533 ("arch/powerpc: provide zero_bytemask() for big-endian") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-09-30selftests/powerpc: Add test of load_unaligned_zero_pad()Michael Ellerman1-0/+147
It is a rarely exercised case, so we want to have a test to ensure it works as required. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>