From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.skyhub.de ([5.9.137.197]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRdFq-0006VZ-D7 for kexec@lists.infradead.org; Fri, 17 May 2019 13:50:35 +0000 Date: Fri, 17 May 2019 15:50:30 +0200 From: Borislav Petkov Subject: [PATCH] x86/boot: Call get_rsdp_addr() after console_init() Message-ID: <20190517135030.GB13482@zn.tnic> References: <20190424092944.30481-2-bhe@redhat.com> <20190429002318.GA25400@MiWiFi-R3L-srv> <20190429135536.GC2324@zn.tnic> <20190513014248.GA16774@MiWiFi-R3L-srv> <20190513070725.GA20105@zn.tnic> <20190513073254.GB16774@MiWiFi-R3L-srv> <20190513075006.GB20105@zn.tnic> <20190513080653.GD16774@MiWiFi-R3L-srv> <20190514032208.GA25875@dhcp-128-65.nay.redhat.com> <20190517134159.GA13482@zn.tnic> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190517134159.GA13482@zn.tnic> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Dave Young Cc: fanc.fnst@cn.fujitsu.com, kasong@redhat.com, Baoquan He , x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, hpa@zytor.com, j-nomura@ce.jp.nec.com, tglx@linutronix.de And now as a proper patch: --- From: Borislav Petkov ... so that early debugging output from the RSDP parsing code can be visible and collected. Suggested-by: Dave Young Signed-off-by: Borislav Petkov Cc: Baoquan He Cc: Chao Fan Cc: Jun'ichi Nomura Cc: Kairui Song Cc: kexec@lists.infradead.org Cc: x86@kernel.org --- arch/x86/boot/compressed/misc.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index c0d6c560df69..24e65a0f756d 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -351,9 +351,6 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, /* Clear flags intended for solely in-kernel use. */ boot_params->hdr.loadflags &= ~KASLR_FLAG; - /* Save RSDP address for later use. */ - boot_params->acpi_rsdp_addr = get_rsdp_addr(); - sanitize_boot_params(boot_params); if (boot_params->screen_info.orig_video_mode == 7) { @@ -368,6 +365,14 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, cols = boot_params->screen_info.orig_video_cols; console_init(); + + /* + * Save RSDP address for later use. Have this after console_init() + * so that early debugging output from the RSDP parsing code can be + * collected. + */ + boot_params->acpi_rsdp_addr = get_rsdp_addr(); + debug_putstr("early console in extract_kernel\n"); free_mem_ptr = heap; /* Heap */ -- 2.21.0 -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec