diff options
| author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2021-05-07 12:20:23 +0200 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-08-29 15:30:16 +0100 |
| commit | 815c8e0053375019ce81f01d05b5f04146efd5ef (patch) | |
| tree | c3498f4703e4ee26107b1aa602353bd2fb47322b /lib/mpi/mpi-sub-ui.c | |
| parent | 0efc6f9f0018108fd77a4ab59f688385a42aae52 (diff) | |
arm64: psci: Ignore DENIED CPUs
When a CPU is marked as disabled, but online capable in the MADT, PSCI
applies some firmware policy to control when it can be brought online.
PSCI returns DENIED to a CPU_ON request if this is not currently
permitted. The OS can learn the current policy from the _STA enabled bit.
Handle the PSCI DENIED return code gracefully instead of printing an
error.
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
[ morse: Rewrote commit message ]
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'lib/mpi/mpi-sub-ui.c')
0 files changed, 0 insertions, 0 deletions