Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752057AbeAENO0 (ORCPT + 1 other); Fri, 5 Jan 2018 08:14:26 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:44740 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751278AbeAENMn (ORCPT ); Fri, 5 Jan 2018 08:12:43 -0500 From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: catalin.marinas@arm.com, ard.biesheuvel@linaro.org, marc.zyngier@arm.com, lorenzo.pieralisi@arm.com, christoffer.dall@linaro.org, linux-kernel@vger.kernel.org, labbott@redhat.com, Will Deacon Subject: [PATCH v2 04/11] arm64: cpufeature: Pass capability structure to ->enable callback Date: Fri, 5 Jan 2018 13:12:34 +0000 Message-Id: <1515157961-20963-5-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1515157961-20963-1-git-send-email-will.deacon@arm.com> References: <1515157961-20963-1-git-send-email-will.deacon@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: In order to invoke the CPU capability ->matches callback from the ->enable callback for applying local-CPU workarounds, we need a handle on the capability structure. This patch passes a pointer to the capability structure to the ->enable callback. Reviewed-by: Suzuki K Poulose Signed-off-by: Will Deacon --- arch/arm64/kernel/cpufeature.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index d723fc071f39..55712ab4e3bf 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1152,7 +1152,7 @@ void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps) * uses an IPI, giving us a PSTATE that disappears when * we return. */ - stop_machine(caps->enable, NULL, cpu_online_mask); + stop_machine(caps->enable, (void *)caps, cpu_online_mask); } } } @@ -1195,7 +1195,7 @@ verify_local_cpu_features(const struct arm64_cpu_capabilities *caps) cpu_die_early(); } if (caps->enable) - caps->enable(NULL); + caps->enable((void *)caps); } } -- 2.1.4