|
From: | Tao Xu |
Subject: | Re: [PATCH v5 1/2] x86/cpu: Add support for UMONITOR/UMWAIT/TPAUSE |
Date: | Wed, 9 Oct 2019 16:21:35 +0800 |
User-agent: | Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 |
On 10/9/2019 4:06 PM, Paolo Bonzini wrote:
On 29/09/19 03:57, Tao Xu wrote:+ } else if (function == 7 && index == 0 && reg == R_ECX) { + if (enable_cpu_pm) { + ret |= CPUID_7_0_ECX_WAITPKG;This is incorrect. You should disable WAITPKG if !enable_cpu_pm, but you should not enable it forcefully if enable_cpu_pm is true. Paolo+ } else { + ret &= ~CPUID_7_0_ECX_WAITPKG; + }
Got it, thank you.
[Prev in Thread] | Current Thread | [Next in Thread] |