From: Alexey Makhalov <alexey.makhalov@broadcom.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux.dev,
hpa@zytor.com, dave.hansen@linux.intel.com, mingo@redhat.com,
tglx@linutronix.de, x86@kernel.org, netdev@vger.kernel.org,
richardcochran@gmail.com, linux-input@vger.kernel.org,
dmitry.torokhov@gmail.com, zackr@vmware.com,
linux-graphics-maintainer@vmware.com, pv-drivers@vmware.com,
timothym@vmware.com, akaher@vmware.com,
dri-devel@lists.freedesktop.org, daniel@ffwll.ch,
airlied@gmail.com, tzimmermann@suse.de, mripard@kernel.org,
maarten.lankhorst@linux.intel.com, horms@kernel.org,
kirill.shutemov@linux.intel.com,
Nadav Amit <nadav.amit@gmail.com>
Subject: Re: [PATCH v8 1/7] x86/vmware: Move common macros to vmware.h
Date: Wed, 24 Apr 2024 16:12:22 -0700 [thread overview]
Message-ID: <adcbfb9a-a4e1-4a32-b786-6c204d941e9f@broadcom.com> (raw)
In-Reply-To: <20240424160608.GFZikt8JLrTN4M5PG2@fat_crate.local>
On 4/24/24 9:06 AM, Borislav Petkov wrote:
> On Mon, Apr 22, 2024 at 03:56:50PM -0700, Alexey Makhalov wrote:
>> Move VMware hypercall macros to vmware.h. This is a prerequisite for
>> the introduction of vmware_hypercall API. No functional changes besides
>> exporting vmware_hypercall_mode symbol.
>
> Well, I see more.
>
> So code movement patches should be done this way:
>
> * first patch: sole code movement, no changes whatsoever
>
> * follow-on patches: add changes and explain them
>
> Because... (follow me down)...
>
>> @@ -476,8 +431,8 @@ static bool __init vmware_legacy_x2apic_available(void)
>> {
>> uint32_t eax, ebx, ecx, edx;
>> VMWARE_CMD(GETVCPU_INFO, eax, ebx, ecx, edx);
>> - return !(eax & BIT(VMWARE_CMD_VCPU_RESERVED)) &&
>> - (eax & BIT(VMWARE_CMD_LEGACY_X2APIC));
>> + return !(eax & BIT(VCPU_RESERVED)) &&
>> + (eax & BIT(VCPU_LEGACY_X2APIC));
>
> ... what is that change for?
>
> Those bit definitions are clearly vmware-specific. So why are you
> changing them to something generic-ish?
>
> In any case, this patch needs to be split as outlined above.
Thanks for prompt review. The concern is valid.
I've split this patch on 2 pieces:
1. Macro renaming - to use proper prefix GETVCPU_INFO_ instead of
incorrect VMWARE_CMD_.
2. Code movement - the original idea of the patch.
Remaining patches will remain intact.
Thanks,
--Alexey
next prev parent reply other threads:[~2024-04-24 23:12 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-22 22:56 [PATCH v8 0/7] VMware hypercalls enhancements Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 1/7] x86/vmware: Move common macros to vmware.h Alexey Makhalov
2024-04-24 16:06 ` Borislav Petkov
2024-04-24 23:12 ` Alexey Makhalov [this message]
2024-04-24 23:14 ` [PATCH v9 1/8] x86/vmware: Correct macro names Alexey Makhalov
2024-04-24 23:14 ` [PATCH v9 2/8] x86/vmware: Move common macros to vmware.h Alexey Makhalov
2024-05-05 18:28 ` Borislav Petkov
2024-05-06 21:52 ` [PATCH v9 0/8] VMware hypercalls enhancements Alexey Makhalov
2024-05-06 21:52 ` [PATCH v9 1/8] x86/vmware: Move common macros to vmware.h Alexey Makhalov
2024-05-07 9:14 ` Borislav Petkov
2024-05-09 22:57 ` Alexey Makhalov
2024-05-06 21:52 ` [PATCH v9 2/8] x86/vmware: Correct macro names Alexey Makhalov
2024-05-06 21:53 ` [PATCH v9 3/8] x86/vmware: Introduce VMware hypercall API Alexey Makhalov
2024-05-07 9:58 ` Borislav Petkov
2024-05-09 23:42 ` Alexey Makhalov
2024-05-10 5:24 ` kernel test robot
2024-05-11 15:02 ` Simon Horman
2024-05-06 21:53 ` [PATCH v9 4/8] ptp/vmware: Use " Alexey Makhalov
2024-05-06 21:53 ` [PATCH v9 5/8] input/vmmouse: " Alexey Makhalov
2024-05-06 21:53 ` [PATCH v9 6/8] drm/vmwgfx: " Alexey Makhalov
2024-05-10 7:31 ` kernel test robot
2024-05-06 21:53 ` [PATCH v9 7/8] x86/vmware: Undefine VMWARE_HYPERCALL Alexey Makhalov
2024-05-06 21:53 ` [PATCH v9 8/8] x86/vmware: Add TDX hypercall support Alexey Makhalov
2024-04-25 15:21 ` [PATCH v9 1/8] x86/vmware: Correct macro names Borislav Petkov
2024-04-25 17:27 ` Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 2/7] x86/vmware: Introduce VMware hypercall API Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 3/7] ptp/vmware: Use " Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 4/7] input/vmmouse: " Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 5/7] drm/vmwgfx: " Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 6/7] x86/vmware: Undefine VMWARE_HYPERCALL Alexey Makhalov
2024-04-22 22:56 ` [PATCH v8 7/7] x86/vmware: Add TDX hypercall support Alexey Makhalov
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