答复: [PATCH] USB:Fix kernel NULL pointer when unbind UHCI form vfio-pci

2020-08-18 Thread TimGuo-oc
> -Original Mail- > Sender : Alan Stern > Time : 2020/7/24 0:39 > Receiver : Alex Williamson > CC : Weitao Wang(BJ-RD) ; Greg KH > ; WeitaoWang-oc > ; mathias.ny...@linux.intel.com; > ulf.hans...@linaro.org; vk...@kernel.org; hsleste...@gmail.com; > linux-...@vger.kernel.org; linux-kerne

[PATCH] x86/centaur: Mark TSC invariant

2018-01-14 Thread TimGuo
kernel that the TSC is usable, so it will select it over HPET. The effect of this is that reading time stamps (from kernel or userspace) will be faster and more efficient. Signed-off-by: TimGuo --- arch/x86/kernel/cpu/centaur.c | 4 drivers/acpi/processor_idle.c | 1 + 2 files changed, 5

[no subject]

2018-01-10 Thread TimGuo
>From 812522018b0f1d9501fbdda4018be9a6fc9c21bf Mon Sep 17 00:00:00 2001 From: TimGuo Date: Wed, 10 Jan 2018 18:16:33 +0800 Subject: [PATCH] x86/centaur: Mark TSC invariant Centaur CPU has a constant frequency TSC and that TSC does not stop in C-States. But because the flags are not set for t

[PATCH] x86/acpi/cstate delete some unuseful operations

2017-12-22 Thread TimGuo
Unuseful cache flush operations which will be executed by ucode when entering C3 will cause larger C3 enter latency. And the bus master disable operation is not need for centaur platforms. Signed-off-by: TimGuo --- arch/x86/kernel/acpi/cstate.c | 12 1 file changed, 12 insertions