From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755272Ab3KUVBt (ORCPT ); Thu, 21 Nov 2013 16:01:49 -0500 Received: from g6t0185.atlanta.hp.com ([15.193.32.62]:38284 "EHLO g6t0185.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754444Ab3KUVBl (ORCPT ); Thu, 21 Nov 2013 16:01:41 -0500 From: Jerry Hoemann To: rob@landley.net, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, matt.fleming@intel.com, yinghai@kernel.org, akpm@linux-foundation.org, bp@suse.de, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org Cc: penberg@kernel.org, mingo.kernel.org@gmail.com, vgoyal@redhat.com, jerry.hoemann@hp.com Subject: [RFC v2 1/2] efi: Early use of boot service memory Date: Thu, 21 Nov 2013 14:01:25 -0700 Message-Id: <1385067686-73500-2-git-send-email-jerry.hoemann@hp.com> X-Mailer: git-send-email 1.7.11.3 In-Reply-To: <1385067686-73500-1-git-send-email-jerry.hoemann@hp.com> References: <1385067686-73500-1-git-send-email-jerry.hoemann@hp.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add #define to allow for specifying that firmware doesn't reuse boot service code or data after Exit Boot Service. Signed-off-by: Jerry Hoemann --- include/linux/efi.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/efi.h b/include/linux/efi.h index 5f8f176..af085cf 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -568,6 +568,7 @@ efi_guid_unparse(efi_guid_t *guid, char *out) } extern void efi_init (void); +extern void efi_quirks(void); extern void *efi_get_pal_addr (void); extern void efi_map_pal_code (void); extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); @@ -634,6 +635,7 @@ extern int __init efi_setup_pcdp_console(char *); #define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */ #define EFI_MEMMAP 4 /* Can we use EFI memory map? */ #define EFI_64BIT 5 /* Is the firmware 64-bit? */ +#define EFI_QUIRK_RESERVE_BSCD 6 /* Reserve Boot Service Data/Code */ #ifdef CONFIG_EFI # ifdef CONFIG_X86 -- 1.7.11.3