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From: James Morse <james.morse@arm.com>
To: linux-acpi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Borislav Petkov <bp@suse.de>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>, Tony Luck <tony.luck@intel.com>,
	Tyler Baicar <tbaicar@codeaurora.org>,
	Dongjiu Geng <gengdongjiu@huawei.com>,
	Xie XiuQi <xiexiuqi@huawei.com>,
	torvalds@linux-foundation.org, James Morse <james.morse@arm.com>
Subject: [RFC/RFT PATCH 1/6] arm64: fixmap: Add GHES fixmap entries
Date: Tue, 31 Oct 2017 15:38:27 +0000	[thread overview]
Message-ID: <20171031153832.17746-2-james.morse@arm.com> (raw)
In-Reply-To: <20171031153832.17746-1-james.morse@arm.com>

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/arm64/include/asm/fixmap.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h
index caf86be815ba..4edcdcb01a68 100644
--- a/arch/arm64/include/asm/fixmap.h
+++ b/arch/arm64/include/asm/fixmap.h
@@ -51,6 +51,11 @@ enum fixed_addresses {
 
 	FIX_EARLYCON_MEM_BASE,
 	FIX_TEXT_POKE0,
+
+	/* Used for GHES mapping from assorted contexts */
+	FIX_APEI_GHES_IRQ,
+	FIX_APEI_GHES_NMI,
+
 	__end_of_permanent_fixed_addresses,
 
 	/*
-- 
2.15.0.rc2

WARNING: multiple messages have this Message-ID (diff)
From: james.morse@arm.com (James Morse)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC/RFT PATCH 1/6] arm64: fixmap: Add GHES fixmap entries
Date: Tue, 31 Oct 2017 15:38:27 +0000	[thread overview]
Message-ID: <20171031153832.17746-2-james.morse@arm.com> (raw)
In-Reply-To: <20171031153832.17746-1-james.morse@arm.com>

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/arm64/include/asm/fixmap.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h
index caf86be815ba..4edcdcb01a68 100644
--- a/arch/arm64/include/asm/fixmap.h
+++ b/arch/arm64/include/asm/fixmap.h
@@ -51,6 +51,11 @@ enum fixed_addresses {
 
 	FIX_EARLYCON_MEM_BASE,
 	FIX_TEXT_POKE0,
+
+	/* Used for GHES mapping from assorted contexts */
+	FIX_APEI_GHES_IRQ,
+	FIX_APEI_GHES_NMI,
+
 	__end_of_permanent_fixed_addresses,
 
 	/*
-- 
2.15.0.rc2

  reply	other threads:[~2017-10-31 15:38 UTC|newest]

Thread overview: 60+ 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 ` James Morse
2017-10-31 15:38 ` James Morse [this message]
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 15:38   ` James Morse
2017-10-31 19:04   ` Ingo Molnar
2017-10-31 19:04     ` Ingo Molnar
2017-10-31 19:09   ` Borislav Petkov
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
2017-10-31 15:38   ` James Morse
2017-11-01  4:13   ` gengdongjiu
2017-11-01  4:13     ` gengdongjiu
2017-11-01  4:13     ` gengdongjiu
2017-11-01 14:57     ` James Morse
2017-11-01 14:57       ` James Morse
2017-11-02 12:01       ` gengdongjiu
2017-11-02 12:01         ` gengdongjiu
2017-11-02 12:01         ` gengdongjiu
2017-11-06 18:41         ` James Morse
2017-11-06 18:41           ` James Morse
2017-11-01 13:34   ` Borislav Petkov
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
2017-10-31 15:38   ` James Morse
2017-11-01 13:47   ` Borislav Petkov
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   ` James Morse
2017-10-31 15:38 ` [RFC/RFT PATCH 6/6] ACPI / APEI: " James Morse
2017-10-31 15:38   ` James Morse
2017-11-01 13:50   ` Borislav Petkov
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 15:52   ` Linus Torvalds
2017-10-31 15:52   ` Linus Torvalds
2017-10-31 16:05   ` Linus Torvalds
2017-10-31 16:05     ` Linus Torvalds
2017-10-31 16:05     ` Linus Torvalds
2017-11-01 14:58   ` James Morse
2017-11-01 14:58     ` James Morse
2017-11-01 14:58     ` James Morse
2017-10-31 18:46 ` Tyler Baicar
2017-10-31 18:46   ` Tyler Baicar
2017-11-01 14:58 ` James Morse
2017-11-01 14:58   ` James Morse
2017-11-01 15:30   ` Borislav Petkov
2017-11-01 15:30     ` Borislav Petkov
2017-11-01 18:20     ` Kani, Toshimitsu
2017-11-01 18:20       ` Kani, Toshimitsu
2017-11-01 18:20       ` Kani, Toshimitsu
2017-11-06 18:43       ` James Morse
2017-11-06 18:43         ` James Morse
2017-11-06 18:43         ` James Morse
2017-11-02 10:19 ` Will Deacon
2017-11-02 10:19   ` Will Deacon
2017-11-09 12:22 ` Zhengqiang
2017-11-09 12:22   ` Zhengqiang
2017-11-09 12:22   ` Zhengqiang

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