From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Morse Subject: [RFC/RFT PATCH 1/6] arm64: fixmap: Add GHES fixmap entries Date: Tue, 31 Oct 2017 15:38:27 +0000 Message-ID: <20171031153832.17746-2-james.morse@arm.com> References: <20171031153832.17746-1-james.morse@arm.com> Return-path: In-Reply-To: <20171031153832.17746-1-james.morse@arm.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , Borislav Petkov , "Rafael J . Wysocki" , Len Brown , Tony Luck , Tyler Baicar , Dongjiu Geng , Xie XiuQi , torvalds@linux-foundation.org, James Morse List-Id: linux-acpi@vger.kernel.org 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 --- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: james.morse@arm.com (James Morse) Date: Tue, 31 Oct 2017 15:38:27 +0000 Subject: [RFC/RFT PATCH 1/6] arm64: fixmap: Add GHES fixmap entries In-Reply-To: <20171031153832.17746-1-james.morse@arm.com> References: <20171031153832.17746-1-james.morse@arm.com> Message-ID: <20171031153832.17746-2-james.morse@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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