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Re: [PATCH 01/16] x86/tsc: Add a standalone helpers for getting TSC info from CPUID.0x15
- To: Sean Christopherson <seanjc@xxxxxxxxxx>
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Tue, 11 Feb 2025 19:40:21 +0100
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- Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, Wei Liu <wei.liu@xxxxxxxxxx>, Dexuan Cui <decui@xxxxxxxxxxxxx>, Ajay Kaher <ajay.kaher@xxxxxxxxxxxx>, Alexey Makhalov <alexey.amakhalov@xxxxxxxxxxxx>, Jan Kiszka <jan.kiszka@xxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, jailhouse-dev@xxxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Nikunj A Dadhania <nikunj@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>
- Delivery-date: Tue, 11 Feb 2025 18:41:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue, Feb 11, 2025 at 09:25:47AM -0800, Sean Christopherson wrote:
> Because obviously optimizing code that's called once during boot is super
> critical?
Because let's stick 'em where they belong and keep headers containing only
small, trivial and inlineable functions. Having unusually big functions in
a header triggers my weird code patterns detector. :)
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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