[PATCH 1/1] powerpc/e500/qemu-e500: allow core to idle without waiting
Joachim Wiberg
troglobit at gmail.com
Wed Jan 12 22:24:59 AEDT 2022
From: Tobias Waldekranz <tobias at waldekranz.com>
This means an idle guest won't needlessly consume an entire core on
the host, waiting for work to show up.
Signed-off-by: Tobias Waldekranz <tobias at waldekranz.com>
Signed-off-by: Joachim Wiberg <troglobit at gmail.com>
---
arch/powerpc/platforms/85xx/qemu_e500.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c
index a4127b0b161f..4c4d577effd9 100644
--- a/arch/powerpc/platforms/85xx/qemu_e500.c
+++ b/arch/powerpc/platforms/85xx/qemu_e500.c
@@ -67,4 +67,9 @@ define_machine(qemu_e500) {
.get_irq = mpic_get_coreint_irq,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
+#ifdef CONFIG_PPC64
+ .power_save = book3e_idle,
+#else
+ .power_save = e500_idle,
+#endif
};
--
2.25.1
More information about the Linuxppc-dev
mailing list