linux-kernel - Re: [PATCH 0/5] MIPS: Fix kernel in XKPHYS

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: <bf0f31a4-bfcd-4951-8b7b-67d7c1faf344@app.fastmail.com>
Date:   Fri, 27 Oct 2023 21:47:33 +0100
From:   "Jiaxun Yang" <jiaxun.yang@...goat.com>
To:     "Gregory CLEMENT" <gregory.clement@...tlin.com>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Cc:     linux-kernel@...r.kernel.org,
        "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>,
        vladimir.kondratiev@...el.com
Subject: Re: [PATCH 0/5] MIPS: Fix kernel in XKPHYS



在2023年10月27日十月 下午5:35，Gregory CLEMENT写道：
> Hello Jiaxun,
>
>
>> Hi all,
>>
>> This series fixes support for loading kernel to XKPHYS space.
>> It is derived from "MIPS: use virtual addresses from xkphys for MIPS64" [1].
>>
>> Boot tested on boston and QEMU with loading address set to 0xa800000090000000.
>> QEMU patch on the way.
>>
>> Gregory and Vladimir, do let me know if I missed anything.
>
> Thanks for this series, I reviewed it and tested it on my platform, so
> you can add for all the patches:
>
> Reviewed-by: Gregory CLEMENT <gregory.clement@...tlin.com>
> Tested-by: Gregory CLEMENT <gregory.clement@...tlin.com>
>
> However I add to fix the patch " MIPS: Handle mips_cps_core_entry within
> lower 4G", I think you missed a case. I will comment on it.

I found a better solution for CPS handling, will send v2 later together with
fixes to bring TO_CAC to 32bit.

Thanks.
- Jiaxun

>
> Gregory
>
>
>>
>> Thanks
>> - Jiaxun
>>
>> [1]: https://lore.kernel.org/lkml/20231004161038.2818327-3-gregory.clement@bootlin.com/
>>
>> Jiaxun Yang (5):
>>   MIPS: Export higher/highest relocation functions in uasm
>>   MIPS: genex: Fix except_vec_vi for kernel in XKPHYS
>>   MIPS: Fix set_uncached_handler for ebase in XKPHYS
>>   MIPS: Handle mips_cps_core_entry within lower 4G
>>   MIPS: Allow kernel base to be set from Kconfig for all platforms
>>
>>  arch/mips/Kconfig               | 18 +++++++++++++----
>>  arch/mips/include/asm/mips-cm.h |  1 +
>>  arch/mips/include/asm/uasm.h    |  2 ++
>>  arch/mips/kernel/genex.S        | 19 +++++++++++++----
>>  arch/mips/kernel/smp-cps.c      | 27 +++++++++++++++++++------
>>  arch/mips/kernel/traps.c        | 36 +++++++++++++++++++++++----------
>>  arch/mips/mm/uasm.c             |  6 ++++--
>>  7 files changed, 82 insertions(+), 27 deletions(-)
>>
>> -- 
>> 2.34.1
>>
>
> -- 
> Gregory Clement, Bootlin
> Embedded Linux and Kernel engineering
> http://bootlin.com

-- 
- Jiaxun