linux-kernel - Re: [PATCH 0/4] MIPS: Introduce isa-rev.h to define MIPS_ISA

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20180309112536.GE24558@saruman>
Date:   Fri, 9 Mar 2018 11:25:37 +0000
From:   James Hogan <jhogan@...nel.org>
To:     Matt Redfearn <matt.redfearn@...s.com>
Cc:     Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
        Paul Burton <paul.burton@...s.com>,
        linux-kernel@...r.kernel.org, "Maciej W. Rozycki" <macro@...s.com>,
        David Daney <david.daney@...ium.com>
Subject: Re: [PATCH 0/4] MIPS: Introduce isa-rev.h to define MIPS_ISA_REV

On Mon, Feb 26, 2018 at 05:02:41PM +0000, Matt Redfearn wrote:
> There are multiple instances in the kernel where we need to include or
> exclude particular instructions based on the ISA revision of the target
> processor. For MIPS32 / MIPS64, the compiler exports a __mips_isa_rev
> define. However, when targeting MIPS I - V, this define is absent. This
> leads to each use of __mips_isa_rev having to check that it is defined
> first. To simplify this, this series introduces the isa-rev.h header
> which always exports MIPS_ISA_REV (the name is changed so as to avoid
> confusion with the compiler builtin and to avoid accidentally using the
> builtin). All uses of __mips_isa_rev are then replaced with the new
> define, removing the check that it is defined.
> 
> Applies on v4.16-rc1
> 
> 
> Matt Redfearn (4):
>   MIPS: Introduce isa-rev.h to define MIPS_ISA_REV
>   MIPS: cpu-features.h: Replace __mips_isa_rev with MIPS_ISA_REV
>   MIPS: BPF: Replace __mips_isa_rev with MIPS_ISA_REV
>   MIPS: VDSO: Replace __mips_isa_rev with MIPS_ISA_REV

Applied for 4.17,

Thanks
James

Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)