From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753802AbdJaPkl (ORCPT ); Tue, 31 Oct 2017 11:40:41 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:37106 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753757AbdJaPkj (ORCPT ); Tue, 31 Oct 2017 11:40:39 -0400 From: James Morse 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 Subject: [RFC/RFT PATCH 2/6] x86/mm/fixmap: Add GHES fixmap entries Date: Tue, 31 Oct 2017 15:38:28 +0000 Message-Id: <20171031153832.17746-3-james.morse@arm.com> X-Mailer: git-send-email 2.15.0.rc2 In-Reply-To: <20171031153832.17746-1-james.morse@arm.com> References: <20171031153832.17746-1-james.morse@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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/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, + __end_of_permanent_fixed_addresses, /* -- 2.15.0.rc2