arch/powerpc/kernel/dawr.c · v5.9 · Dennis Giaya / linux · GitLab

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Jul 23, 2020

powerpc/watchpoint: Guest support for 2nd DAWR hcall · 03f3e54a

Ravi Bangoria authored Jul 23, 2020

2nd DAWR can be set/unset using H_SET_MODE hcall with resource value 5.
Enable powervm guest support with that. This has no effect on kvm guest
because kvm will return error if guest does hcall with resource value 5.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200723090813.303838-9-ravi.bangoria@linux.ibm.com

03f3e54a

powerpc/watchpoint: Guest support for 2nd DAWR hcall

Ravi Bangoria authored Jul 23, 2020

2nd DAWR can be set/unset using H_SET_MODE hcall with resource value 5.
Enable powervm guest support with that. This has no effect on kvm guest
because kvm will return error if guest does hcall with resource value 5.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200723090813.303838-9-ravi.bangoria@linux.ibm.com