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Date: Thu, 21 Jan 2021 17:20:47 +0100
From: Florian Weimer <fweimer@...hat.com>
To: Rich Felker <dalias@...c.org>
Cc: Natanael Copa <ncopa@...inelinux.org>,  musl@...ts.openwall.com,  "Alex
 Xu (Hello71)" <alex_y_xu@...oo.ca>
Subject: Re: [PATCH] don't set errno in free

* Rich Felker:

> This is much costlier. It puts the TLS access (faulting and emulating
> on old MIPS) in the path that runs on every call.

It's also a significant hit on certain modern AArch64 variants, which is
a bit sad.

Thanks,
Florian
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