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| author | Cédric Le Goater <clg@kaod.org> | 2019-04-18 12:39:32 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2019-04-30 11:35:16 +0200 |
| commit | 5ca806474859a0e94584b3a63f9509a25758408e (patch) | |
| tree | 6fdcc8070443e749d03f7e884890e626ca96fe6f /kernel/rseq.c | |
| parent | KVM: PPC: Book3S HV: XIVE: Add controls for the EQ configuration (diff) | |
| download | linux-5ca806474859a0e94584b3a63f9509a25758408e.tar.xz linux-5ca806474859a0e94584b3a63f9509a25758408e.zip | |
KVM: PPC: Book3S HV: XIVE: Add a global reset control
This control is to be used by the H_INT_RESET hcall from QEMU. Its
purpose is to clear all configuration of the sources and EQs. This is
necessary in case of a kexec (for a kdump kernel for instance) to make
sure that no remaining configuration is left from the previous boot
setup so that the new kernel can start safely from a clean state.
The queue 7 is ignored when the XIVE device is configured to run in
single escalation mode. Prio 7 is used by escalations.
The XIVE VP is kept enabled as the vCPU is still active and connected
to the XIVE device.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'kernel/rseq.c')
0 files changed, 0 insertions, 0 deletions