linux-kernel - Re: [PATCH 0/2] riscv: Add macro for multiple nop instructions

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 for Android: free password hash cracker in your pocket

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

Message-ID: <d684ed27-2530-4470-a320-80baadbb6197@sholland.org>
Date:   Sun, 24 Jul 2022 12:24:40 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     heiko@...ech.de, Paul Walmsley <paul.walmsley@...ive.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] riscv: Add macro for multiple nop instructions

Hi Palmer,

On 7/21/22 9:16 PM, Palmer Dabbelt wrote:
> On Tue, 07 Jun 2022 07:30:57 PDT (-0700), heiko@...ech.de wrote:
>> Some cases need multiple nop instructions and arm64 already has a
>> nice helper for not needing to write all of them out but instead
>> use a helper to add n nops.
>>
>> So add a similar thing to riscv and convert the T-Head PMA
>> alternative to use it.
>>
>>
>> Heiko Stuebner (2):
>>   riscv: introduce nops and __nops macros for NOP sequences
>>   riscv: convert the t-head pbmt errata to use the __nops macro
>>
>>  arch/riscv/include/asm/asm.h         | 15 +++++++++++++++
>>  arch/riscv/include/asm/barrier.h     |  2 ++
>>  arch/riscv/include/asm/errata_list.h |  8 +-------
>>  3 files changed, 18 insertions(+), 7 deletions(-)
> 
> Thanks, these are on for-next.  I had to fix up some minor conflicts, but
> hopefuly nothing went wrong.

The conflicts are because the patch was sent on top of fixes, specifically
e83031564137 ("riscv: Fix ALT_THEAD_PMA's asm parameters"). Since you applied
this patch without pulling fixes in to for-next, now for-next conflicts with master.

Regards,
Samuel