From: Borislav Petkov <bp@alien8.de>
To: Alexey Makhalov <amakhalov@vmware.com>
Cc: Juergen Gross <jgross@suse.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Jonathan Corbet <corbet@lwn.net>,
"VMware, Inc." <pv-drivers@vmware.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
x86@kernel.org, virtualization@lists.linux-foundation.org,
Ingo Molnar <mingo@redhat.com>,
Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/5] x86/vmware: Steal time accounting support
Date: Fri, 13 Mar 2020 14:17:42 +0100 [thread overview]
Message-ID: <20200313131742.GA8142@zn.tnic> (raw)
In-Reply-To: <20200212200312.2033-1-amakhalov@vmware.com>
On Wed, Feb 12, 2020 at 08:03:07PM +0000, Alexey Makhalov wrote:
> Hello,
>
> This patchset introduces steal time accounting support for
> the VMware guest. The idea and implementation of guest
> steal time support is similar to KVM ones and it is based
> on steal clock. The steal clock is a per CPU structure in
> a shared memory between hypervisor and guest, initialized
> by each CPU through hypercall. Steal clock is got updated
> by the hypervisor and read by the guest.
>
> The patchset consists of 5 items:
>
> 1. x86/vmware: Make vmware_select_hypercall() __init
> Minor clean up.
>
> 2. x86/vmware: Remove vmware_sched_clock_setup()
> Preparation for the main patch.
>
> 3. x86/vmware: Steal time clock for VMware guest
> Core steal time support functionality.
>
> 4. x86/vmware: Enable steal time accounting
> Support for steal time accounting used by update_rq_clock().
>
> 5. x86/vmware: Use bool type for vmw_sched_clock
> Minor clean up.
>
> Alexey Makhalov (5):
> x86/vmware: Make vmware_select_hypercall() __init
> x86/vmware: Remove vmware_sched_clock_setup()
> x86/vmware: Steal time clock for VMware guest
> x86/vmware: Enable steal time accounting
> x86/vmware: Use bool type for vmw_sched_clock
>
> Documentation/admin-guide/kernel-parameters.txt | 2 +-
> arch/x86/kernel/cpu/vmware.c | 227 +++++++++++++++++++++++-
> 2 files changed, 220 insertions(+), 9 deletions(-)
$ make ARCH=i386 allyesconfig
$ make ARCH=i386
...
AR drivers/net/built-in.a
AR drivers/built-in.a
GEN .version
CHK include/generated/compile.h
LD vmlinux.o
ld: arch/x86/kernel/kvm.o:(.discard+0x2): multiple definition of `__pcpu_unique_steal_time'; arch/x86/kernel/cpu/vmware.o:(.discard+0x0): first defined here
make: *** [Makefile:1078: vmlinux] Error 1
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-03-13 13:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 20:03 [PATCH 0/5] x86/vmware: Steal time accounting support Alexey Makhalov via Virtualization
2020-02-12 20:03 ` [PATCH 1/5] x86/vmware: Make vmware_select_hypercall() __init Alexey Makhalov via Virtualization
2020-02-12 20:03 ` [PATCH 2/5] x86/vmware: Remove vmware_sched_clock_setup() Alexey Makhalov via Virtualization
2020-02-12 20:03 ` [PATCH 3/5] x86/vmware: Steal time clock for VMware guest Alexey Makhalov via Virtualization
2020-02-12 20:03 ` [PATCH 4/5] x86/vmware: Enable steal time accounting Alexey Makhalov via Virtualization
2020-02-12 20:03 ` [PATCH 5/5] x86/vmware: Use bool type for vmw_sched_clock Alexey Makhalov via Virtualization
2020-03-12 19:05 ` [PATCH 0/5] x86/vmware: Steal time accounting support Thomas Gleixner
2020-03-13 13:17 ` Borislav Petkov [this message]
2020-03-23 19:57 ` [PATCH v2 " Alexey Makhalov via Virtualization
2020-03-23 19:57 ` [PATCH v2 1/5] x86/vmware: Make vmware_select_hypercall() __init Alexey Makhalov via Virtualization
2020-03-23 19:57 ` [PATCH v2 2/5] x86/vmware: Remove vmware_sched_clock_setup() Alexey Makhalov via Virtualization
2020-03-23 19:57 ` [PATCH v2 3/5] x86/vmware: Steal time clock for VMware guest Alexey Makhalov via Virtualization
2020-03-23 19:57 ` [PATCH v2 4/5] x86/vmware: Enable steal time accounting Alexey Makhalov via Virtualization
2020-03-23 19:57 ` [PATCH v2 5/5] x86/vmware: Use bool type for vmw_sched_clock Alexey Makhalov via Virtualization
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