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Re: port-mips/60664: mips: rdhwr emulation corrupts v0 on nested TLB miss, random userland SIGSEGV

To: gnats-bugs%netbsd.org@localhost, port-mips-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: port-mips/60664: mips: rdhwr emulation corrupts v0 on nested TLB miss, random userland SIGSEGV
From: Nick Hudson <nick.hudson%gmx.co.uk@localhost>
Date: Tue, 22 Sep 2026 18:58:42 +0100

Thanks for the PR.

I changed the patch a little to improve register usage in both the fast and slow paths.

Attachment: mipsX_subr.S.diff
Description: Binary data

References:
- port-mips/60664: mips: rdhwr emulation corrupts v0 on nested TLB miss, random userland SIGSEGV
  - From: kaloz%dune.hu@localhost via gnats

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