From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tapasweni Pathak Subject: [PATCH] arch: x86: platform: efi: Disabling interrupt around kmalloc Date: Tue, 3 Mar 2015 08:28:04 +0530 Message-ID: <20150303025804.GA24587@kt-Inspiron-3542> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: matt.fleming@intel.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: tapaswenipathak@gmail.com List-Id: linux-efi@vger.kernel.org Disabling interrupts around kmalloc() is less than ideal. Move it after the kmalloc(). Found using Coccinelle. Signed-off-by: Tapasweni Pathak Suggested-by: Matt Fleming --- arch/x86/platform/efi/efi_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 17e80d8..5d6af59 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -88,10 +88,10 @@ void __init efi_call_phys_prolog(void) return; early_code_mapping_set_exec(1); - local_irq_save(efi_flags); n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE); save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL); + local_irq_save(efi_flags); for (pgd = 0; pgd < n_pgds; pgd++) { save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE); -- 1.7.9.5