From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VpxP7-0000XM-L6 for kexec@lists.infradead.org; Mon, 09 Dec 2013 09:45:31 +0000 From: Dave Young Subject: [PATCH v5 10/14] efi: only print saved efi runtime maps instead of all memmap ranges for kexec Date: Mon, 9 Dec 2013 17:42:23 +0800 Message-Id: <1386582147-9802-11-git-send-email-dyoung@redhat.com> In-Reply-To: <1386582147-9802-1-git-send-email-dyoung@redhat.com> References: <1386582147-9802-1-git-send-email-dyoung@redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: linux-kernel@vger.kernel.org Cc: mjg59@srcf.ucam.org, linux-efi@vger.kernel.org, toshi.kani@hp.com, matt@console-pimps.org, greg@kroah.com, x86@kernel.org, kexec@lists.infradead.org, James.Bottomley@HansenPartnership.com, horms@verge.net.au, bp@alien8.de, ebiederm@xmission.com, hpa@zytor.com, vgoyal@redhat.com For kexec/kdump kernel efi runtime mappings are saved, printing original whole memmap ranges does not make sense anymore. So introduce a new function to only print runtime maps in case kexec/kdump kernel is used. changelog: Matt: use efi_setup instead of esdata share function print_efi_memmap for both normal and kexec boot. Signed-off-by: Dave Young --- arch/x86/platform/efi/efi.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 69a6ec2..94a1cbc 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -423,19 +423,16 @@ int __init efi_memblock_x86_reserve_range(void) return 0; } -static void __init print_efi_memmap(void) +static void __init print_efi_memmap(void *map, int nr_map, int md_size) { #ifdef EFI_DEBUG efi_memory_desc_t *md; void *p; int i; - for (p = memmap.map, i = 0; - p < memmap.map_end; - p += memmap.desc_size, i++) { + for (p = map, i = 0; i < nr_map; p += md_size, i++) { md = p; - pr_info("mem%02u: type=%u, attr=0x%llx, " - "range=[0x%016llx-0x%016llx) (%lluMB)\n", + pr_info("mem%02u: type=%u, attr=0x%llx, range=[0x%016llx-0x%016llx) (%lluMB)\n", i, md->type, md->attribute, md->phys_addr, md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT), (md->num_pages >> (20 - EFI_PAGE_SHIFT))); @@ -797,7 +794,20 @@ void __init efi_init(void) x86_platform.set_wallclock = efi_set_rtc_mmss; } #endif - print_efi_memmap(); + if (efi_setup) { + int s; + struct efi_setup_data *data; + + s = sizeof(*data) + nr_efi_runtime_map * sizeof(data->map[0]); + data = early_memremap(efi_setup, s); + if (!data) + return; + print_efi_memmap(data->map, nr_efi_runtime_map, + sizeof(data->map[0])); + early_memunmap(data, s); + } else { + print_efi_memmap(memmap.map, memmap.nr_map, memmap.desc_size); + } } void __init efi_late_init(void) -- 1.8.3.1 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec