From: mingo@kernel.org (Ingo Molnar)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC/RFT PATCH 2/6] x86/mm/fixmap: Add GHES fixmap entries
Date: Tue, 31 Oct 2017 20:04:38 +0100 [thread overview]
Message-ID: <20171031190438.u6ctvc7lyeedo5dw@gmail.com> (raw)
In-Reply-To: <20171031153832.17746-3-james.morse@arm.com>
* James Morse <james.morse@arm.com> wrote:
> GHES is switching to use fixmap for its dynamic mapping of CPER records,
> to avoid using ioremap_page_range() in IRQ/NMI context.
>
> Signed-off-by: James Morse <james.morse@arm.com>
> ---
> arch/x86/include/asm/fixmap.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
> index dcd9fb55e679..be3cc32db7f0 100644
> --- a/arch/x86/include/asm/fixmap.h
> +++ b/arch/x86/include/asm/fixmap.h
> @@ -104,6 +104,10 @@ enum fixed_addresses {
> FIX_GDT_REMAP_BEGIN,
> FIX_GDT_REMAP_END = FIX_GDT_REMAP_BEGIN + NR_CPUS - 1,
>
> + /* Used for GHES mapping from assorted contexts */
> + FIX_APEI_GHES_IRQ,
> + FIX_APEI_GHES_NMI,
> +
Acked-by: Ingo Molnar <mingo@kernel.org>
Thanks,
Ingo
next prev parent reply other threads:[~2017-10-31 19:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-31 15:38 [RFC/RFT PATCH 0/6] Switch GHES ioremap_page_range() to use fixmap James Morse
2017-10-31 15:38 ` [RFC/RFT PATCH 1/6] arm64: fixmap: Add GHES fixmap entries James Morse
2017-10-31 15:38 ` [RFC/RFT PATCH 2/6] x86/mm/fixmap: " James Morse
2017-10-31 19:04 ` Ingo Molnar [this message]
2017-10-31 19:09 ` Borislav Petkov
2017-10-31 15:38 ` [RFC/RFT PATCH 3/6] ACPI / APEI: Replace ioremap_page_range() with fixmap James Morse
2017-11-01 4:13 ` gengdongjiu
2017-11-01 14:57 ` James Morse
2017-11-02 12:01 ` gengdongjiu
2017-11-06 18:41 ` James Morse
2017-11-01 13:34 ` Borislav Petkov
2017-10-31 15:38 ` [RFC/RFT PATCH 4/6] ACPI / APEI: Remove ghes_ioremap_area James Morse
2017-11-01 13:47 ` Borislav Petkov
2017-10-31 15:38 ` [RFC/RFT PATCH 5/6] arm64: mm: Remove arch_apei_flush_tlb_one() James Morse
2017-10-31 15:38 ` [RFC/RFT PATCH 6/6] ACPI / APEI: " James Morse
2017-11-01 13:50 ` Borislav Petkov
2017-10-31 15:52 ` [RFC/RFT PATCH 0/6] Switch GHES ioremap_page_range() to use fixmap Linus Torvalds
2017-10-31 16:05 ` Linus Torvalds
2017-11-01 14:58 ` James Morse
2017-10-31 18:46 ` Tyler Baicar
2017-11-01 14:58 ` James Morse
2017-11-01 15:30 ` Borislav Petkov
2017-11-01 18:20 ` Kani, Toshimitsu
2017-11-06 18:43 ` James Morse
2017-11-02 10:19 ` Will Deacon
2017-11-09 12:22 ` Zhengqiang
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