From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752619AbbI2XrD (ORCPT ); Tue, 29 Sep 2015 19:47:03 -0400 Received: from mail-ig0-f179.google.com ([209.85.213.179]:36926 "EHLO mail-ig0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752032AbbI2XqD (ORCPT ); Tue, 29 Sep 2015 19:46:03 -0400 From: Al Stone To: linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-pm@vger.kernel.org, linaro-acpi@lists.linaro.org, linaro-kernel@lists.linaro.org, patches@linaro.org, Al Stone , Will Deacon , Thomas Gleixner , Jason Cooper Subject: [PATCH v5 2/5] ACPI / ARM64: remove usage of BAD_MADT_ENTRY/BAD_MADT_GICC_ENTRY Date: Tue, 29 Sep 2015 17:45:43 -0600 Message-Id: <1443570346-15378-3-git-send-email-al.stone@linaro.org> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1443570346-15378-1-git-send-email-al.stone@linaro.org> References: <1443570346-15378-1-git-send-email-al.stone@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that we have introduced the bad_madt_entry() function, and that function is being invoked in acpi_table_parse_madt() for us, there is no longer any need to use the BAD_MADT_ENTRY macro, or in the case of arm64, the BAD_MADT_GICC_ENTRY, too. Signed-off-by: Al Stone Acked-by: Catalin Marinas Acked-by: Marc Zyngier Reviewed-and-tested-by: Sudeep Holla Cc: Will Deacon Cc: Thomas Gleixner Cc: Jason Cooper --- arch/arm64/include/asm/acpi.h | 8 -------- arch/arm64/kernel/smp.c | 2 -- drivers/irqchip/irq-gic.c | 3 --- 3 files changed, 13 deletions(-) diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 6894205..05656fc 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -18,14 +18,6 @@ #include #include -/* Macros for consistency checks of the GICC subtable of MADT */ -#define ACPI_MADT_GICC_LENGTH \ - (acpi_gbl_FADT.header.revision < 6 ? 76 : 80) - -#define BAD_MADT_GICC_ENTRY(entry, end) \ - (!(entry) || (unsigned long)(entry) + sizeof(*(entry)) > (end) || \ - (entry)->header.length != ACPI_MADT_GICC_LENGTH) - /* Basic configuration for ACPI */ #ifdef CONFIG_ACPI /* ACPI table mapping after acpi_gbl_permanent_mmap is set */ diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index dbdaacd..66cc8c4 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -451,8 +451,6 @@ acpi_parse_gic_cpu_interface(struct acpi_subtable_header *header, struct acpi_madt_generic_interrupt *processor; processor = (struct acpi_madt_generic_interrupt *)header; - if (BAD_MADT_GICC_ENTRY(processor, end)) - return -EINVAL; acpi_table_print_madt_entry(header); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index d4add30..67b7b48 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1206,9 +1206,6 @@ gic_acpi_parse_madt_cpu(struct acpi_subtable_header *header, processor = (struct acpi_madt_generic_interrupt *)header; - if (BAD_MADT_GICC_ENTRY(processor, end)) - return -EINVAL; - /* * There is no support for non-banked GICv1/2 register in ACPI spec. * All CPU interface addresses have to be the same. -- 2.4.3