git: nvmm: Revert to use os_curcpu() in vmx_vmcs_enter()

Aaron LI aly at
Tue Jul 20 16:30:34 PDT 2021

commit ac42d1dfa1b03a85a780470425488466a76ae96b
Author: Aaron LI <aly at>
Date:   Sun Jul 11 16:08:23 2021 +0800

    nvmm: Revert to use os_curcpu() in vmx_vmcs_enter()
    os_curcpu() returns a pointer to the current per-cpu data, which is used
    in vmx_vmcs_enter() to clear a VMCS from a remote CPU.  So it's more
    efficient and clean than using the os_curcpu_number(), which requires
    another lookup to obtain the per-cpu data pointer from the CPU id.
    This effectively reverts the commit:
    nvmm: Fix issues of porting 'curcpu()' as 'mycpu'
    The "VMX fail valid" panics I had then were actually caused by the
    missing wait for the asynchronous IPI request to clear VMCS from a
    remote CPU, which had been fixed in a later commit.

Summary of changes:
 sys/dev/virtual/nvmm/nvmm_os.h          |  2 --
 sys/dev/virtual/nvmm/x86/nvmm_x86_vmx.c | 15 +++++++--------
 2 files changed, 7 insertions(+), 10 deletions(-)

DragonFly BSD source repository

More information about the Commits mailing list