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H A D.gitignore89a83a0c Mon Nov 16 23:59:14 CST 2020 Daniel Axtens <dja@axtens.net> selftests/powerpc: entry flush test

Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.

For simplicity of backporting, this test duplicates a lot of code from
rfi_flush. We clean that up in the next patch.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
89a83a0c Mon Nov 16 23:59:14 CST 2020 Daniel Axtens <dja@axtens.net> selftests/powerpc: entry flush test

Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.

For simplicity of backporting, this test duplicates a lot of code from
rfi_flush. We clean that up in the next patch.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
H A Dentry_flush.c89a83a0c Mon Nov 16 23:59:14 CST 2020 Daniel Axtens <dja@axtens.net> selftests/powerpc: entry flush test

Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.

For simplicity of backporting, this test duplicates a lot of code from
rfi_flush. We clean that up in the next patch.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
89a83a0c Mon Nov 16 23:59:14 CST 2020 Daniel Axtens <dja@axtens.net> selftests/powerpc: entry flush test

Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.

For simplicity of backporting, this test duplicates a lot of code from
rfi_flush. We clean that up in the next patch.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
H A DMakefile89a83a0c Mon Nov 16 23:59:14 CST 2020 Daniel Axtens <dja@axtens.net> selftests/powerpc: entry flush test

Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.

For simplicity of backporting, this test duplicates a lot of code from
rfi_flush. We clean that up in the next patch.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
89a83a0c Mon Nov 16 23:59:14 CST 2020 Daniel Axtens <dja@axtens.net> selftests/powerpc: entry flush test

Add a test modelled on the RFI flush test which counts the number
of L1D misses doing a simple syscall with the entry flush on and off.

For simplicity of backporting, this test duplicates a lot of code from
rfi_flush. We clean that up in the next patch.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>