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From: Borislav Petkov <bp@alien8.de>
To: Matt Fleming <matt@console-pimps.org>
Cc: Jon Masters <jonathan@jonmasters.org>,
	Laszlo Ersek <lersek@redhat.com>, Dave Young <dyoung@redhat.com>,
	linux-efi <linux-efi@vger.kernel.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Matt Fleming <matt.fleming@intel.com>,
	Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
	lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH] efi, x86: Add a "debug" option to the efi= cmdline
Date: Fri, 30 Jan 2015 17:43:09 +0100	[thread overview]
Message-ID: <20150130164309.GG1451@pd.tnic> (raw)
In-Reply-To: <20150126104936.GB3320@codeblueprint.co.uk>

From: Borislav Petkov <bp@suse.de>
Date: Mon, 26 Jan 2015 19:49:59 +0100
Subject: [PATCH] efi, x86: Add a "debug" option to the efi= cmdline

... and hide the memory regions dump behind it. Make it default-off.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20141209095843.GA3990@pd.tnic
---
 arch/x86/platform/efi/efi.c | 5 ++++-
 include/linux/efi.h         | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index dbc8627a5cdf..e859d56ce9f8 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -491,7 +491,8 @@ void __init efi_init(void)
 	if (efi_memmap_init())
 		return;
 
-	print_efi_memmap();
+	if (efi_enabled(EFI_DBG))
+		print_efi_memmap();
 }
 
 void __init efi_late_init(void)
@@ -939,6 +940,8 @@ static int __init arch_parse_efi_cmdline(char *str)
 {
 	if (parse_option_str(str, "old_map"))
 		set_bit(EFI_OLD_MEMMAP, &efi.flags);
+	if (parse_option_str(str, "debug"))
+		set_bit(EFI_DBG, &efi.flags);
 
 	return 0;
 }
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 0238d612750e..14cec75d7e74 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -940,6 +940,7 @@ extern int __init efi_setup_pcdp_console(char *);
 #define EFI_64BIT		5	/* Is the firmware 64-bit? */
 #define EFI_PARAVIRT		6	/* Access is via a paravirt interface */
 #define EFI_ARCH_1		7	/* First arch-specific bit */
+#define EFI_DBG			8	/* Print additional debug info at runtime */
 
 #ifdef CONFIG_EFI
 /*
-- 
2.2.0.33.gc18b867

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
To: Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
Cc: Jon Masters <jonathan-Zp4isUonpHBD60Wz+7aTrA@public.gmane.org>,
	Laszlo Ersek <lersek-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	linux-efi <linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Ard Biesheuvel
	<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Matt Fleming
	<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Ricardo Neri
	<ricardo.neri-calderon-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] efi, x86: Add a "debug" option to the efi= cmdline
Date: Fri, 30 Jan 2015 17:43:09 +0100	[thread overview]
Message-ID: <20150130164309.GG1451@pd.tnic> (raw)
In-Reply-To: <20150126104936.GB3320-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>

From: Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>
Date: Mon, 26 Jan 2015 19:49:59 +0100
Subject: [PATCH] efi, x86: Add a "debug" option to the efi= cmdline

... and hide the memory regions dump behind it. Make it default-off.

Signed-off-by: Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>
Link: http://lkml.kernel.org/r/20141209095843.GA3990-fF5Pk5pvG8Y@public.gmane.org
---
 arch/x86/platform/efi/efi.c | 5 ++++-
 include/linux/efi.h         | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index dbc8627a5cdf..e859d56ce9f8 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -491,7 +491,8 @@ void __init efi_init(void)
 	if (efi_memmap_init())
 		return;
 
-	print_efi_memmap();
+	if (efi_enabled(EFI_DBG))
+		print_efi_memmap();
 }
 
 void __init efi_late_init(void)
@@ -939,6 +940,8 @@ static int __init arch_parse_efi_cmdline(char *str)
 {
 	if (parse_option_str(str, "old_map"))
 		set_bit(EFI_OLD_MEMMAP, &efi.flags);
+	if (parse_option_str(str, "debug"))
+		set_bit(EFI_DBG, &efi.flags);
 
 	return 0;
 }
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 0238d612750e..14cec75d7e74 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -940,6 +940,7 @@ extern int __init efi_setup_pcdp_console(char *);
 #define EFI_64BIT		5	/* Is the firmware 64-bit? */
 #define EFI_PARAVIRT		6	/* Access is via a paravirt interface */
 #define EFI_ARCH_1		7	/* First arch-specific bit */
+#define EFI_DBG			8	/* Print additional debug info at runtime */
 
 #ifdef CONFIG_EFI
 /*
-- 
2.2.0.33.gc18b867

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

  reply	other threads:[~2015-01-30 16:43 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-09  9:58 Shorten efi regions output Borislav Petkov
2014-12-09  9:58 ` Borislav Petkov
2014-12-09 12:42 ` Ard Biesheuvel
2014-12-09 12:42   ` Ard Biesheuvel
2014-12-09 12:48   ` Borislav Petkov
2014-12-09 12:48     ` Borislav Petkov
2014-12-09 15:35 ` Laszlo Ersek
2014-12-09 15:35   ` Laszlo Ersek
2014-12-09 16:45   ` Borislav Petkov
2014-12-09 16:45     ` Borislav Petkov
2014-12-10  2:17 ` Dave Young
2014-12-10  2:17   ` Dave Young
2014-12-10 10:46   ` Borislav Petkov
2014-12-10 10:46     ` Borislav Petkov
2015-01-05 14:03     ` Matt Fleming
2015-01-05 14:03       ` Matt Fleming
2015-01-05 15:00       ` Laszlo Ersek
2015-01-21  5:48         ` Jon Masters
2015-01-21 10:06           ` Borislav Petkov
2015-01-21 10:06             ` Borislav Petkov
2015-01-26 10:49             ` Matt Fleming
2015-01-30 16:43               ` Borislav Petkov [this message]
2015-01-30 16:43                 ` [PATCH] efi, x86: Add a "debug" option to the efi= cmdline Borislav Petkov
2015-01-30 16:58                 ` Laszlo Ersek
2015-01-30 16:58                   ` Laszlo Ersek
2015-01-30 18:06                 ` Randy Dunlap
2015-01-30 18:06                   ` Randy Dunlap
2015-01-30 21:17                   ` Borislav Petkov
2015-01-30 21:17                     ` Borislav Petkov
2015-02-04 12:18                   ` Parmeshwr Prasad
2015-02-04 12:18                     ` Parmeshwr Prasad
2015-02-05  3:18                 ` Dave Young
2015-02-05  3:18                   ` Dave Young
2015-02-05  8:11                   ` Borislav Petkov
2015-02-05  8:11                     ` Borislav Petkov
2015-02-05  8:41                     ` Dave Young
2015-02-05  8:41                       ` Dave Young
2015-02-05 10:44                       ` [PATCH v2] " Borislav Petkov
2015-02-05 10:44                         ` Borislav Petkov
2015-02-05 12:45                         ` Parmeshwr Prasad
2015-02-05 12:45                           ` Parmeshwr Prasad
2015-02-05 14:28                           ` Borislav Petkov
2015-02-06  6:00                             ` Parmeshwr Prasad
2015-02-06  6:00                               ` Parmeshwr Prasad
2015-02-06 10:49                               ` Borislav Petkov
2015-02-06 10:49                                 ` Borislav Petkov
2015-02-24 22:33                         ` Matt Fleming
2015-02-24 22:33                           ` Matt Fleming
2015-04-02 12:27 ` [tip:core/efi] x86/efi: " tip-bot for Borislav Petkov

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