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Date: Thu, 6 Mar 2025 12:42:05 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Eric Biggers <ebiggers@kernel.org>
Cc: x86@kernel.org, linux-crypto@vger.kernel.org,
	linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
	Ben Greear <greearb@candelatech.com>,
	Xiao Liang <shaw.leon@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	"Jason A . Donenfeld" <Jason@zx2c4.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [RFC PATCH v2] x86/fpu: make kernel-mode FPU reliably usable in
 softirqs
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* Eric Biggers <ebiggers@kernel.org> wrote:

> Deleting the ldmxcsr(MXCSR_DEFAULT) adds about 14 MB/s.

BTW., that's still a +3% performance improvement, so it is worth 
considering in addition to the current patch IMO.

Thanks,

	Ingo