From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Kiper Subject: [PATCH v3 09/11] x86/xen/enlighten: Add init and crash kexec/kdump hooks Date: Thu, 27 Dec 2012 03:18:58 +0100 Message-ID: <1356574740-6806-10-git-send-email-daniel.kiper@oracle.com> References: <1356574740-6806-1-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-2-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-3-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-4-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-5-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-6-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-7-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-8-git-send-email-daniel.kiper@oracle.com> <1356574740-6806-9-git-send-email-daniel.kiper@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1356574740-6806-9-git-send-email-daniel.kiper-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kexec-bounces-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Errors-To: kexec-bounces+glkk-kexec=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: andrew.cooper3-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org, ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org, jbeulich-IBi9RG/b67k@public.gmane.org, konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, maxim.uvarov-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org, vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org Cc: Daniel Kiper List-Id: xen-devel@lists.xenproject.org Add init and crash kexec/kdump hooks. Signed-off-by: Daniel Kiper --- arch/x86/xen/enlighten.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 138e566..5025bba 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -1276,6 +1277,12 @@ static void xen_machine_power_off(void) static void xen_crash_shutdown(struct pt_regs *regs) { +#ifdef CONFIG_KEXEC_FIRMWARE + if (kexec_crash_image) { + crash_save_cpu(regs, safe_smp_processor_id()); + return; + } +#endif xen_reboot(SHUTDOWN_crash); } @@ -1353,6 +1360,10 @@ asmlinkage void __init xen_start_kernel(void) xen_init_mmu_ops(); +#ifdef CONFIG_KEXEC_FIRMWARE + kexec_use_firmware = true; +#endif + /* Prevent unwanted bits from being set in PTEs. */ __supported_pte_mask &= ~_PAGE_GLOBAL; #if 0 -- 1.5.6.5