From: Nick Kossifidis <mick@ics.forth.gr>
To: Alex Ghiti <alex@ghiti.fr>
Cc: Nick Kossifidis <mick@ics.forth.gr>,
linux-riscv@lists.infradead.org, palmer@dabbelt.com,
paul.walmsley@sifive.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 4/5] RISC-V: Add kdump support
Date: Fri, 09 Apr 2021 13:21:48 +0300 [thread overview]
Message-ID: <75abd98990bfaae51262b72cf7d59831@mailhost.ics.forth.gr> (raw)
In-Reply-To: <1385f2a4-53a9-535b-851a-3c470f1f3bc1@ghiti.fr>
Στις 2021-04-06 21:36, Alex Ghiti έγραψε:
>
>> + /* Switch to physical addressing */
>> + la s4, 1f
>> + sub s4, s4, s3
>> + csrw stvec, s4
>> + csrw sptbr, zero
>
> satp is used everywhere instead of sptbr. And maybe you could CSR_****
> naming, like you did in riscv_crash_save_regs and like it's done in
> head.S too.
>
ACK
>> + crash_base = memblock_find_in_range(search_start, search_end,
>> +#ifdef CONFIG_64BIT
>> + crash_size, SZ_2M);
>> +#else
>> + crash_size, SZ_4M);
>> +#endif
>
> You can use PMD_SIZE here and get rid of #ifdef.
>
>> +
>> +#ifdef CONFIG_64BIT
>> + if (!IS_ALIGNED(crash_base, SZ_2M)) {
>> +#else
>> + if (!IS_ALIGNED(crash_base, SZ_4M)) {
>> +#endif
>
> Ditto here.
>
Will do.
Thanks a lot for your review !
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next prev parent reply other threads:[~2021-04-09 10:22 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 8:57 [PATCH v3 0/5] RISC-V: Add kexec/kdump support Nick Kossifidis
2021-04-05 8:57 ` [PATCH v3 1/5] RISC-V: Add EM_RISCV to kexec UAPI header Nick Kossifidis
2021-04-23 3:30 ` Palmer Dabbelt
2021-04-05 8:57 ` [PATCH v3 2/5] RISC-V: Add kexec support Nick Kossifidis
2021-04-06 18:38 ` Alex Ghiti
2021-04-09 10:19 ` Nick Kossifidis
2021-04-23 3:30 ` Palmer Dabbelt
2021-04-05 8:57 ` [PATCH v3 3/5] RISC-V: Improve init_resources Nick Kossifidis
2021-04-06 7:19 ` Geert Uytterhoeven
2021-04-06 8:11 ` Nick Kossifidis
2021-04-06 8:22 ` Geert Uytterhoeven
2021-04-09 10:11 ` Nick Kossifidis
2021-04-23 3:30 ` Palmer Dabbelt
2021-04-05 8:57 ` [PATCH v3 4/5] RISC-V: Add kdump support Nick Kossifidis
2021-04-06 18:36 ` Alex Ghiti
2021-04-09 10:21 ` Nick Kossifidis [this message]
2021-04-23 3:30 ` Palmer Dabbelt
2021-04-05 8:57 ` [PATCH v3 5/5] RISC-V: Add crash kernel support Nick Kossifidis
2021-04-23 3:30 ` Palmer Dabbelt
2021-04-07 7:45 ` [PATCH v3 0/5] RISC-V: Add kexec/kdump support Yixun Lan
2021-04-07 16:29 ` Rob Herring
2021-04-09 10:02 ` Nick Kossifidis
2021-04-23 3:30 ` Palmer Dabbelt
2021-04-23 3:36 ` Nick Kossifidis
2021-04-23 3:48 ` Palmer Dabbelt
2021-04-23 3:53 ` Nick Kossifidis
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