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From: kbuild test robot <lkp@intel.com>
To: Thomas Garnier <thgarnie@google.com>
Cc: kbuild-all@01.org, "Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H . Peter Anvin" <hpa@zytor.com>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Thomas Garnier" <thgarnie@google.com>,
	"Kees Cook" <keescook@chromium.org>,
	"Lorenzo Stoakes" <lstoakes@gmail.com>,
	"Juergen Gross" <jgross@suse.com>,
	"Andy Lutomirski" <luto@amacapital.net>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	"Len Brown" <len.brown@intel.com>, "Pavel Machek" <pavel@ucw.cz>,
	"Jiri Kosina" <jikos@kernel.org>,
	"Matt Fleming" <matt@codeblueprint.co.uk>,
	"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"Rusty Russell" <rusty@rustcorp.com.au>,
	"Borislav Petkov" <bp@suse.de>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	"Brian Gerst" <brgerst@gmail.com>,
	"He Chen" <he.chen@linux.intel.com>,
	"Luis R . Rodriguez" <mcgrof@kernel.org>,
	"Stanislaw Gruszka" <sgruszka@redhat.com>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Dave Hansen" <dave.hansen@intel.com>,
	"Vitaly Kuznetsov" <vkuznets@redhat.com>,
	"Paul Gortmaker" <paul.gortmaker@windriver.com>,
	"Josh Poimboeuf" <jpoimboe@redhat.com>,
	"Tim Chen" <tim.c.chen@linux.intel.com>,
	"Andi Kleen" <ak@linux.intel.com>, "Jiri Olsa" <jolsa@redhat.com>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Joerg Roedel" <joro@8bytes.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Andy Lutomirski" <luto@kernel.org>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-efi@vger.kernel.org, xen-devel@lists.xenproject.org,
	lguest@lists.ozlabs.org, kvm@vger.kernel.org,
	kernel-hardening@lists.openwall.com
Subject: Re: [PATCH v4 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size
Date: Fri, 17 Feb 2017 08:37:07 +0800	[thread overview]
Message-ID: <201702170838.wHH6l1CC%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170216215438.126111-1-thgarnie@google.com>

[-- Attachment #1: Type: text/plain, Size: 8138 bytes --]

Hi Thomas,

[auto build test ERROR on next-20170216]
[also build test ERROR on v4.10-rc8]
[cannot apply to tip/x86/core kvm/linux-next tip/auto-latest v4.9-rc8 v4.9-rc7 v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Thomas-Garnier/x86-mm-Adapt-MODULES_END-based-on-Fixmap-section-size/20170217-072759
config: x86_64-randconfig-h0-02170640 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> arch/x86/mm/dump_pagetables.c:87:2: error: implicit declaration of function '__fix_to_virt' [-Werror=implicit-function-declaration]
     { MODULES_END,          "End Modules" },
     ^
   In file included from arch/x86/include/asm/pgtable_types.h:240:0,
                    from arch/x86/include/asm/paravirt_types.h:44,
                    from arch/x86/include/asm/ptrace.h:71,
                    from arch/x86/include/asm/math_emu.h:4,
                    from arch/x86/include/asm/processor.h:11,
                    from arch/x86/include/asm/cpufeature.h:4,
                    from arch/x86/include/asm/thread_info.h:52,
                    from include/linux/thread_info.h:25,
                    from arch/x86/include/asm/preempt.h:6,
                    from include/linux/preempt.h:59,
                    from include/linux/spinlock.h:50,
                    from include/linux/wait.h:8,
                    from include/linux/fs.h:5,
                    from include/linux/debugfs.h:18,
                    from arch/x86/mm/dump_pagetables.c:15:
>> arch/x86/include/asm/pgtable_64_types.h:71:37: error: '__end_of_fixed_addresses' undeclared here (not in a function)
    #define MODULES_END   __fix_to_virt(__end_of_fixed_addresses + 1)
                                        ^
>> arch/x86/mm/dump_pagetables.c:87:4: note: in expansion of macro 'MODULES_END'
     { MODULES_END,          "End Modules" },
       ^
   cc1: some warnings being treated as errors

vim +/__fix_to_virt +87 arch/x86/mm/dump_pagetables.c

926e5392b Arjan van de Ven 2008-04-17   9   * This program is free software; you can redistribute it and/or
926e5392b Arjan van de Ven 2008-04-17  10   * modify it under the terms of the GNU General Public License
926e5392b Arjan van de Ven 2008-04-17  11   * as published by the Free Software Foundation; version 2
926e5392b Arjan van de Ven 2008-04-17  12   * of the License.
926e5392b Arjan van de Ven 2008-04-17  13   */
926e5392b Arjan van de Ven 2008-04-17  14  
fe770bf03 H. Peter Anvin   2008-04-17 @15  #include <linux/debugfs.h>
fe770bf03 H. Peter Anvin   2008-04-17  16  #include <linux/mm.h>
84e629b66 Paul Gortmaker   2016-07-13  17  #include <linux/init.h>
146fbb766 Andrey Ryabinin  2017-02-10  18  #include <linux/sched.h>
926e5392b Arjan van de Ven 2008-04-17  19  #include <linux/seq_file.h>
926e5392b Arjan van de Ven 2008-04-17  20  
926e5392b Arjan van de Ven 2008-04-17  21  #include <asm/pgtable.h>
926e5392b Arjan van de Ven 2008-04-17  22  
926e5392b Arjan van de Ven 2008-04-17  23  /*
926e5392b Arjan van de Ven 2008-04-17  24   * The dumper groups pagetable entries of the same type into one, and for
926e5392b Arjan van de Ven 2008-04-17  25   * that it needs to keep some state when walking, and flush this state
926e5392b Arjan van de Ven 2008-04-17  26   * when a "break" in the continuity is found.
926e5392b Arjan van de Ven 2008-04-17  27   */
926e5392b Arjan van de Ven 2008-04-17  28  struct pg_state {
926e5392b Arjan van de Ven 2008-04-17  29  	int level;
926e5392b Arjan van de Ven 2008-04-17  30  	pgprot_t current_prot;
926e5392b Arjan van de Ven 2008-04-17  31  	unsigned long start_address;
926e5392b Arjan van de Ven 2008-04-17  32  	unsigned long current_address;
fe770bf03 H. Peter Anvin   2008-04-17  33  	const struct addr_marker *marker;
3891a04aa H. Peter Anvin   2014-04-29  34  	unsigned long lines;
ef6bea6dd Borislav Petkov  2014-01-18  35  	bool to_dmesg;
e1a58320a Stephen Smalley  2015-10-05  36  	bool check_wx;
e1a58320a Stephen Smalley  2015-10-05  37  	unsigned long wx_pages;
926e5392b Arjan van de Ven 2008-04-17  38  };
926e5392b Arjan van de Ven 2008-04-17  39  
fe770bf03 H. Peter Anvin   2008-04-17  40  struct addr_marker {
fe770bf03 H. Peter Anvin   2008-04-17  41  	unsigned long start_address;
fe770bf03 H. Peter Anvin   2008-04-17  42  	const char *name;
3891a04aa H. Peter Anvin   2014-04-29  43  	unsigned long max_lines;
fe770bf03 H. Peter Anvin   2008-04-17  44  };
926e5392b Arjan van de Ven 2008-04-17  45  
92851e2fc Andres Salomon   2010-07-20  46  /* indices for address_markers; keep sync'd w/ address_markers below */
92851e2fc Andres Salomon   2010-07-20  47  enum address_markers_idx {
92851e2fc Andres Salomon   2010-07-20  48  	USER_SPACE_NR = 0,
92851e2fc Andres Salomon   2010-07-20  49  #ifdef CONFIG_X86_64
92851e2fc Andres Salomon   2010-07-20  50  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  51  	LOW_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  52  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  53  	VMEMMAP_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  54  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  55  	ESPFIX_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  56  # endif
92851e2fc Andres Salomon   2010-07-20  57  	HIGH_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  58  	MODULES_VADDR_NR,
92851e2fc Andres Salomon   2010-07-20  59  	MODULES_END_NR,
92851e2fc Andres Salomon   2010-07-20  60  #else
92851e2fc Andres Salomon   2010-07-20  61  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  62  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  63  	VMALLOC_END_NR,
92851e2fc Andres Salomon   2010-07-20  64  # ifdef CONFIG_HIGHMEM
92851e2fc Andres Salomon   2010-07-20  65  	PKMAP_BASE_NR,
92851e2fc Andres Salomon   2010-07-20  66  # endif
92851e2fc Andres Salomon   2010-07-20  67  	FIXADDR_START_NR,
92851e2fc Andres Salomon   2010-07-20  68  #endif
92851e2fc Andres Salomon   2010-07-20  69  };
92851e2fc Andres Salomon   2010-07-20  70  
fe770bf03 H. Peter Anvin   2008-04-17  71  /* Address space markers hints */
fe770bf03 H. Peter Anvin   2008-04-17  72  static struct addr_marker address_markers[] = {
fe770bf03 H. Peter Anvin   2008-04-17  73  	{ 0, "User Space" },
fe770bf03 H. Peter Anvin   2008-04-17  74  #ifdef CONFIG_X86_64
fe770bf03 H. Peter Anvin   2008-04-17  75  	{ 0x8000000000000000UL, "Kernel Space" },
0483e1fa6 Thomas Garnier   2016-06-21  76  	{ 0/* PAGE_OFFSET */,   "Low Kernel Mapping" },
0483e1fa6 Thomas Garnier   2016-06-21  77  	{ 0/* VMALLOC_START */, "vmalloc() Area" },
0483e1fa6 Thomas Garnier   2016-06-21  78  	{ 0/* VMEMMAP_START */, "Vmemmap" },
8a5a5d153 Mathias Krause   2014-09-07  79  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  80  	{ ESPFIX_BASE_ADDR,	"ESPfix Area", 16 },
8a5a5d153 Mathias Krause   2014-09-07  81  # endif
8266e31ed Mathias Krause   2014-09-21  82  # ifdef CONFIG_EFI
8266e31ed Mathias Krause   2014-09-21  83  	{ EFI_VA_END,		"EFI Runtime Services" },
8266e31ed Mathias Krause   2014-09-21  84  # endif
fe770bf03 H. Peter Anvin   2008-04-17  85  	{ __START_KERNEL_map,   "High Kernel Mapping" },
9a79cf9c1 Yinghai Lu       2008-03-07  86  	{ MODULES_VADDR,        "Modules" },
9a79cf9c1 Yinghai Lu       2008-03-07 @87  	{ MODULES_END,          "End Modules" },
fe770bf03 H. Peter Anvin   2008-04-17  88  #else
fe770bf03 H. Peter Anvin   2008-04-17  89  	{ PAGE_OFFSET,          "Kernel Mapping" },
fe770bf03 H. Peter Anvin   2008-04-17  90  	{ 0/* VMALLOC_START */, "vmalloc() Area" },

:::::: The code at line 87 was first introduced by commit
:::::: 9a79cf9c1aa671325fa5ba37576c2cee23823d04 x86: sort address_markers for dump_pagetables

:::::: TO: Yinghai Lu <yhlu.kernel@gmail.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 25184 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
Cc: kbuild-all@01.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Thomas Garnier <thgarnie@google.com>,
	Kees Cook <keescook@chromium.org>,
	Lorenzo Stoakes <lstoakes@gmail.com>,
	Juergen Gross <jgross@suse.com>,
	Andy Lutomirski <luto@amacapital.net>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
	Jiri Kosina <jikos@kernel.org>,
	Matt Fleming <matt@codeblueprint.co.uk>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Borislav Petkov <bp@suse.de>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Brian Gerst <brgerst@gmail.>
Subject: Re: [PATCH v4 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size
Date: Fri, 17 Feb 2017 08:37:07 +0800	[thread overview]
Message-ID: <201702170838.wHH6l1CC%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170216215438.126111-1-thgarnie@google.com>

[-- Attachment #1: Type: text/plain, Size: 8138 bytes --]

Hi Thomas,

[auto build test ERROR on next-20170216]
[also build test ERROR on v4.10-rc8]
[cannot apply to tip/x86/core kvm/linux-next tip/auto-latest v4.9-rc8 v4.9-rc7 v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Thomas-Garnier/x86-mm-Adapt-MODULES_END-based-on-Fixmap-section-size/20170217-072759
config: x86_64-randconfig-h0-02170640 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> arch/x86/mm/dump_pagetables.c:87:2: error: implicit declaration of function '__fix_to_virt' [-Werror=implicit-function-declaration]
     { MODULES_END,          "End Modules" },
     ^
   In file included from arch/x86/include/asm/pgtable_types.h:240:0,
                    from arch/x86/include/asm/paravirt_types.h:44,
                    from arch/x86/include/asm/ptrace.h:71,
                    from arch/x86/include/asm/math_emu.h:4,
                    from arch/x86/include/asm/processor.h:11,
                    from arch/x86/include/asm/cpufeature.h:4,
                    from arch/x86/include/asm/thread_info.h:52,
                    from include/linux/thread_info.h:25,
                    from arch/x86/include/asm/preempt.h:6,
                    from include/linux/preempt.h:59,
                    from include/linux/spinlock.h:50,
                    from include/linux/wait.h:8,
                    from include/linux/fs.h:5,
                    from include/linux/debugfs.h:18,
                    from arch/x86/mm/dump_pagetables.c:15:
>> arch/x86/include/asm/pgtable_64_types.h:71:37: error: '__end_of_fixed_addresses' undeclared here (not in a function)
    #define MODULES_END   __fix_to_virt(__end_of_fixed_addresses + 1)
                                        ^
>> arch/x86/mm/dump_pagetables.c:87:4: note: in expansion of macro 'MODULES_END'
     { MODULES_END,          "End Modules" },
       ^
   cc1: some warnings being treated as errors

vim +/__fix_to_virt +87 arch/x86/mm/dump_pagetables.c

926e5392b Arjan van de Ven 2008-04-17   9   * This program is free software; you can redistribute it and/or
926e5392b Arjan van de Ven 2008-04-17  10   * modify it under the terms of the GNU General Public License
926e5392b Arjan van de Ven 2008-04-17  11   * as published by the Free Software Foundation; version 2
926e5392b Arjan van de Ven 2008-04-17  12   * of the License.
926e5392b Arjan van de Ven 2008-04-17  13   */
926e5392b Arjan van de Ven 2008-04-17  14  
fe770bf03 H. Peter Anvin   2008-04-17 @15  #include <linux/debugfs.h>
fe770bf03 H. Peter Anvin   2008-04-17  16  #include <linux/mm.h>
84e629b66 Paul Gortmaker   2016-07-13  17  #include <linux/init.h>
146fbb766 Andrey Ryabinin  2017-02-10  18  #include <linux/sched.h>
926e5392b Arjan van de Ven 2008-04-17  19  #include <linux/seq_file.h>
926e5392b Arjan van de Ven 2008-04-17  20  
926e5392b Arjan van de Ven 2008-04-17  21  #include <asm/pgtable.h>
926e5392b Arjan van de Ven 2008-04-17  22  
926e5392b Arjan van de Ven 2008-04-17  23  /*
926e5392b Arjan van de Ven 2008-04-17  24   * The dumper groups pagetable entries of the same type into one, and for
926e5392b Arjan van de Ven 2008-04-17  25   * that it needs to keep some state when walking, and flush this state
926e5392b Arjan van de Ven 2008-04-17  26   * when a "break" in the continuity is found.
926e5392b Arjan van de Ven 2008-04-17  27   */
926e5392b Arjan van de Ven 2008-04-17  28  struct pg_state {
926e5392b Arjan van de Ven 2008-04-17  29  	int level;
926e5392b Arjan van de Ven 2008-04-17  30  	pgprot_t current_prot;
926e5392b Arjan van de Ven 2008-04-17  31  	unsigned long start_address;
926e5392b Arjan van de Ven 2008-04-17  32  	unsigned long current_address;
fe770bf03 H. Peter Anvin   2008-04-17  33  	const struct addr_marker *marker;
3891a04aa H. Peter Anvin   2014-04-29  34  	unsigned long lines;
ef6bea6dd Borislav Petkov  2014-01-18  35  	bool to_dmesg;
e1a58320a Stephen Smalley  2015-10-05  36  	bool check_wx;
e1a58320a Stephen Smalley  2015-10-05  37  	unsigned long wx_pages;
926e5392b Arjan van de Ven 2008-04-17  38  };
926e5392b Arjan van de Ven 2008-04-17  39  
fe770bf03 H. Peter Anvin   2008-04-17  40  struct addr_marker {
fe770bf03 H. Peter Anvin   2008-04-17  41  	unsigned long start_address;
fe770bf03 H. Peter Anvin   2008-04-17  42  	const char *name;
3891a04aa H. Peter Anvin   2014-04-29  43  	unsigned long max_lines;
fe770bf03 H. Peter Anvin   2008-04-17  44  };
926e5392b Arjan van de Ven 2008-04-17  45  
92851e2fc Andres Salomon   2010-07-20  46  /* indices for address_markers; keep sync'd w/ address_markers below */
92851e2fc Andres Salomon   2010-07-20  47  enum address_markers_idx {
92851e2fc Andres Salomon   2010-07-20  48  	USER_SPACE_NR = 0,
92851e2fc Andres Salomon   2010-07-20  49  #ifdef CONFIG_X86_64
92851e2fc Andres Salomon   2010-07-20  50  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  51  	LOW_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  52  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  53  	VMEMMAP_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  54  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  55  	ESPFIX_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  56  # endif
92851e2fc Andres Salomon   2010-07-20  57  	HIGH_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  58  	MODULES_VADDR_NR,
92851e2fc Andres Salomon   2010-07-20  59  	MODULES_END_NR,
92851e2fc Andres Salomon   2010-07-20  60  #else
92851e2fc Andres Salomon   2010-07-20  61  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  62  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  63  	VMALLOC_END_NR,
92851e2fc Andres Salomon   2010-07-20  64  # ifdef CONFIG_HIGHMEM
92851e2fc Andres Salomon   2010-07-20  65  	PKMAP_BASE_NR,
92851e2fc Andres Salomon   2010-07-20  66  # endif
92851e2fc Andres Salomon   2010-07-20  67  	FIXADDR_START_NR,
92851e2fc Andres Salomon   2010-07-20  68  #endif
92851e2fc Andres Salomon   2010-07-20  69  };
92851e2fc Andres Salomon   2010-07-20  70  
fe770bf03 H. Peter Anvin   2008-04-17  71  /* Address space markers hints */
fe770bf03 H. Peter Anvin   2008-04-17  72  static struct addr_marker address_markers[] = {
fe770bf03 H. Peter Anvin   2008-04-17  73  	{ 0, "User Space" },
fe770bf03 H. Peter Anvin   2008-04-17  74  #ifdef CONFIG_X86_64
fe770bf03 H. Peter Anvin   2008-04-17  75  	{ 0x8000000000000000UL, "Kernel Space" },
0483e1fa6 Thomas Garnier   2016-06-21  76  	{ 0/* PAGE_OFFSET */,   "Low Kernel Mapping" },
0483e1fa6 Thomas Garnier   2016-06-21  77  	{ 0/* VMALLOC_START */, "vmalloc() Area" },
0483e1fa6 Thomas Garnier   2016-06-21  78  	{ 0/* VMEMMAP_START */, "Vmemmap" },
8a5a5d153 Mathias Krause   2014-09-07  79  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  80  	{ ESPFIX_BASE_ADDR,	"ESPfix Area", 16 },
8a5a5d153 Mathias Krause   2014-09-07  81  # endif
8266e31ed Mathias Krause   2014-09-21  82  # ifdef CONFIG_EFI
8266e31ed Mathias Krause   2014-09-21  83  	{ EFI_VA_END,		"EFI Runtime Services" },
8266e31ed Mathias Krause   2014-09-21  84  # endif
fe770bf03 H. Peter Anvin   2008-04-17  85  	{ __START_KERNEL_map,   "High Kernel Mapping" },
9a79cf9c1 Yinghai Lu       2008-03-07  86  	{ MODULES_VADDR,        "Modules" },
9a79cf9c1 Yinghai Lu       2008-03-07 @87  	{ MODULES_END,          "End Modules" },
fe770bf03 H. Peter Anvin   2008-04-17  88  #else
fe770bf03 H. Peter Anvin   2008-04-17  89  	{ PAGE_OFFSET,          "Kernel Mapping" },
fe770bf03 H. Peter Anvin   2008-04-17  90  	{ 0/* VMALLOC_START */, "vmalloc() Area" },

:::::: The code at line 87 was first introduced by commit
:::::: 9a79cf9c1aa671325fa5ba37576c2cee23823d04 x86: sort address_markers for dump_pagetables

:::::: TO: Yinghai Lu <yhlu.kernel@gmail.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: Thomas Garnier <thgarnie@google.com>
Cc: kbuild-all@01.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Thomas Garnier <thgarnie@google.com>,
	Kees Cook <keescook@chromium.org>,
	Lorenzo Stoakes <lstoakes@gmail.com>,
	Juergen Gross <jgross@suse.com>,
	Andy Lutomirski <luto@amacapital.net>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
	Jiri Kosina <jikos@kernel.org>,
	Matt Fleming <matt@codeblueprint.co.uk>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Borislav Petkov <bp@suse.de>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Brian Gerst <brgerst@gmail.
Subject: Re: [PATCH v4 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size
Date: Fri, 17 Feb 2017 08:37:07 +0800	[thread overview]
Message-ID: <201702170838.wHH6l1CC%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170216215438.126111-1-thgarnie@google.com>

[-- Attachment #1: Type: text/plain, Size: 8138 bytes --]

Hi Thomas,

[auto build test ERROR on next-20170216]
[also build test ERROR on v4.10-rc8]
[cannot apply to tip/x86/core kvm/linux-next tip/auto-latest v4.9-rc8 v4.9-rc7 v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Thomas-Garnier/x86-mm-Adapt-MODULES_END-based-on-Fixmap-section-size/20170217-072759
config: x86_64-randconfig-h0-02170640 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> arch/x86/mm/dump_pagetables.c:87:2: error: implicit declaration of function '__fix_to_virt' [-Werror=implicit-function-declaration]
     { MODULES_END,          "End Modules" },
     ^
   In file included from arch/x86/include/asm/pgtable_types.h:240:0,
                    from arch/x86/include/asm/paravirt_types.h:44,
                    from arch/x86/include/asm/ptrace.h:71,
                    from arch/x86/include/asm/math_emu.h:4,
                    from arch/x86/include/asm/processor.h:11,
                    from arch/x86/include/asm/cpufeature.h:4,
                    from arch/x86/include/asm/thread_info.h:52,
                    from include/linux/thread_info.h:25,
                    from arch/x86/include/asm/preempt.h:6,
                    from include/linux/preempt.h:59,
                    from include/linux/spinlock.h:50,
                    from include/linux/wait.h:8,
                    from include/linux/fs.h:5,
                    from include/linux/debugfs.h:18,
                    from arch/x86/mm/dump_pagetables.c:15:
>> arch/x86/include/asm/pgtable_64_types.h:71:37: error: '__end_of_fixed_addresses' undeclared here (not in a function)
    #define MODULES_END   __fix_to_virt(__end_of_fixed_addresses + 1)
                                        ^
>> arch/x86/mm/dump_pagetables.c:87:4: note: in expansion of macro 'MODULES_END'
     { MODULES_END,          "End Modules" },
       ^
   cc1: some warnings being treated as errors

vim +/__fix_to_virt +87 arch/x86/mm/dump_pagetables.c

926e5392b Arjan van de Ven 2008-04-17   9   * This program is free software; you can redistribute it and/or
926e5392b Arjan van de Ven 2008-04-17  10   * modify it under the terms of the GNU General Public License
926e5392b Arjan van de Ven 2008-04-17  11   * as published by the Free Software Foundation; version 2
926e5392b Arjan van de Ven 2008-04-17  12   * of the License.
926e5392b Arjan van de Ven 2008-04-17  13   */
926e5392b Arjan van de Ven 2008-04-17  14  
fe770bf03 H. Peter Anvin   2008-04-17 @15  #include <linux/debugfs.h>
fe770bf03 H. Peter Anvin   2008-04-17  16  #include <linux/mm.h>
84e629b66 Paul Gortmaker   2016-07-13  17  #include <linux/init.h>
146fbb766 Andrey Ryabinin  2017-02-10  18  #include <linux/sched.h>
926e5392b Arjan van de Ven 2008-04-17  19  #include <linux/seq_file.h>
926e5392b Arjan van de Ven 2008-04-17  20  
926e5392b Arjan van de Ven 2008-04-17  21  #include <asm/pgtable.h>
926e5392b Arjan van de Ven 2008-04-17  22  
926e5392b Arjan van de Ven 2008-04-17  23  /*
926e5392b Arjan van de Ven 2008-04-17  24   * The dumper groups pagetable entries of the same type into one, and for
926e5392b Arjan van de Ven 2008-04-17  25   * that it needs to keep some state when walking, and flush this state
926e5392b Arjan van de Ven 2008-04-17  26   * when a "break" in the continuity is found.
926e5392b Arjan van de Ven 2008-04-17  27   */
926e5392b Arjan van de Ven 2008-04-17  28  struct pg_state {
926e5392b Arjan van de Ven 2008-04-17  29  	int level;
926e5392b Arjan van de Ven 2008-04-17  30  	pgprot_t current_prot;
926e5392b Arjan van de Ven 2008-04-17  31  	unsigned long start_address;
926e5392b Arjan van de Ven 2008-04-17  32  	unsigned long current_address;
fe770bf03 H. Peter Anvin   2008-04-17  33  	const struct addr_marker *marker;
3891a04aa H. Peter Anvin   2014-04-29  34  	unsigned long lines;
ef6bea6dd Borislav Petkov  2014-01-18  35  	bool to_dmesg;
e1a58320a Stephen Smalley  2015-10-05  36  	bool check_wx;
e1a58320a Stephen Smalley  2015-10-05  37  	unsigned long wx_pages;
926e5392b Arjan van de Ven 2008-04-17  38  };
926e5392b Arjan van de Ven 2008-04-17  39  
fe770bf03 H. Peter Anvin   2008-04-17  40  struct addr_marker {
fe770bf03 H. Peter Anvin   2008-04-17  41  	unsigned long start_address;
fe770bf03 H. Peter Anvin   2008-04-17  42  	const char *name;
3891a04aa H. Peter Anvin   2014-04-29  43  	unsigned long max_lines;
fe770bf03 H. Peter Anvin   2008-04-17  44  };
926e5392b Arjan van de Ven 2008-04-17  45  
92851e2fc Andres Salomon   2010-07-20  46  /* indices for address_markers; keep sync'd w/ address_markers below */
92851e2fc Andres Salomon   2010-07-20  47  enum address_markers_idx {
92851e2fc Andres Salomon   2010-07-20  48  	USER_SPACE_NR = 0,
92851e2fc Andres Salomon   2010-07-20  49  #ifdef CONFIG_X86_64
92851e2fc Andres Salomon   2010-07-20  50  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  51  	LOW_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  52  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  53  	VMEMMAP_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  54  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  55  	ESPFIX_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  56  # endif
92851e2fc Andres Salomon   2010-07-20  57  	HIGH_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  58  	MODULES_VADDR_NR,
92851e2fc Andres Salomon   2010-07-20  59  	MODULES_END_NR,
92851e2fc Andres Salomon   2010-07-20  60  #else
92851e2fc Andres Salomon   2010-07-20  61  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  62  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  63  	VMALLOC_END_NR,
92851e2fc Andres Salomon   2010-07-20  64  # ifdef CONFIG_HIGHMEM
92851e2fc Andres Salomon   2010-07-20  65  	PKMAP_BASE_NR,
92851e2fc Andres Salomon   2010-07-20  66  # endif
92851e2fc Andres Salomon   2010-07-20  67  	FIXADDR_START_NR,
92851e2fc Andres Salomon   2010-07-20  68  #endif
92851e2fc Andres Salomon   2010-07-20  69  };
92851e2fc Andres Salomon   2010-07-20  70  
fe770bf03 H. Peter Anvin   2008-04-17  71  /* Address space markers hints */
fe770bf03 H. Peter Anvin   2008-04-17  72  static struct addr_marker address_markers[] = {
fe770bf03 H. Peter Anvin   2008-04-17  73  	{ 0, "User Space" },
fe770bf03 H. Peter Anvin   2008-04-17  74  #ifdef CONFIG_X86_64
fe770bf03 H. Peter Anvin   2008-04-17  75  	{ 0x8000000000000000UL, "Kernel Space" },
0483e1fa6 Thomas Garnier   2016-06-21  76  	{ 0/* PAGE_OFFSET */,   "Low Kernel Mapping" },
0483e1fa6 Thomas Garnier   2016-06-21  77  	{ 0/* VMALLOC_START */, "vmalloc() Area" },
0483e1fa6 Thomas Garnier   2016-06-21  78  	{ 0/* VMEMMAP_START */, "Vmemmap" },
8a5a5d153 Mathias Krause   2014-09-07  79  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  80  	{ ESPFIX_BASE_ADDR,	"ESPfix Area", 16 },
8a5a5d153 Mathias Krause   2014-09-07  81  # endif
8266e31ed Mathias Krause   2014-09-21  82  # ifdef CONFIG_EFI
8266e31ed Mathias Krause   2014-09-21  83  	{ EFI_VA_END,		"EFI Runtime Services" },
8266e31ed Mathias Krause   2014-09-21  84  # endif
fe770bf03 H. Peter Anvin   2008-04-17  85  	{ __START_KERNEL_map,   "High Kernel Mapping" },
9a79cf9c1 Yinghai Lu       2008-03-07  86  	{ MODULES_VADDR,        "Modules" },
9a79cf9c1 Yinghai Lu       2008-03-07 @87  	{ MODULES_END,          "End Modules" },
fe770bf03 H. Peter Anvin   2008-04-17  88  #else
fe770bf03 H. Peter Anvin   2008-04-17  89  	{ PAGE_OFFSET,          "Kernel Mapping" },
fe770bf03 H. Peter Anvin   2008-04-17  90  	{ 0/* VMALLOC_START */, "vmalloc() Area" },

:::::: The code at line 87 was first introduced by commit
:::::: 9a79cf9c1aa671325fa5ba37576c2cee23823d04 x86: sort address_markers for dump_pagetables

:::::: TO: Yinghai Lu <yhlu.kernel@gmail.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 25184 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: Thomas Garnier <thgarnie@google.com>
Cc: kbuild-all@01.org, "Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H . Peter Anvin" <hpa@zytor.com>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Kees Cook" <keescook@chromium.org>,
	"Lorenzo Stoakes" <lstoakes@gmail.com>,
	"Juergen Gross" <jgross@suse.com>,
	"Andy Lutomirski" <luto@amacapital.net>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	"Len Brown" <len.brown@intel.com>, "Pavel Machek" <pavel@ucw.cz>,
	"Jiri Kosina" <jikos@kernel.org>,
	"Matt Fleming" <matt@codeblueprint.co.uk>,
	"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"Rusty Russell" <rusty@rustcorp.com.au>,
	"Borislav Petkov" <bp@suse.de>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	"Brian Gerst" <brgerst@gmail.com>,
	"He Chen" <he.chen@linux.intel.com>,
	"Luis R . Rodriguez" <mcgrof@kernel.org>,
	"Stanislaw Gruszka" <sgruszka@redhat.com>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Dave Hansen" <dave.hansen@intel.com>,
	"Vitaly Kuznetsov" <vkuznets@redhat.com>,
	"Paul Gortmaker" <paul.gortmaker@windriver.com>,
	"Josh Poimboeuf" <jpoimboe@redhat.com>,
	"Tim Chen" <tim.c.chen@linux.intel.com>,
	"Andi Kleen" <ak@linux.intel.com>, "Jiri Olsa" <jolsa@redhat.com>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Joerg Roedel" <joro@8bytes.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Andy Lutomirski" <luto@kernel.org>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-efi@vger.kernel.org, xen-devel@lists.xenproject.org,
	lguest@lists.ozlabs.org, kvm@vger.kernel.org,
	kernel-hardening@lists.openwall.com
Subject: [kernel-hardening] Re: [PATCH v4 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size
Date: Fri, 17 Feb 2017 08:37:07 +0800	[thread overview]
Message-ID: <201702170838.wHH6l1CC%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170216215438.126111-1-thgarnie@google.com>

[-- Attachment #1: Type: text/plain, Size: 8138 bytes --]

Hi Thomas,

[auto build test ERROR on next-20170216]
[also build test ERROR on v4.10-rc8]
[cannot apply to tip/x86/core kvm/linux-next tip/auto-latest v4.9-rc8 v4.9-rc7 v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Thomas-Garnier/x86-mm-Adapt-MODULES_END-based-on-Fixmap-section-size/20170217-072759
config: x86_64-randconfig-h0-02170640 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> arch/x86/mm/dump_pagetables.c:87:2: error: implicit declaration of function '__fix_to_virt' [-Werror=implicit-function-declaration]
     { MODULES_END,          "End Modules" },
     ^
   In file included from arch/x86/include/asm/pgtable_types.h:240:0,
                    from arch/x86/include/asm/paravirt_types.h:44,
                    from arch/x86/include/asm/ptrace.h:71,
                    from arch/x86/include/asm/math_emu.h:4,
                    from arch/x86/include/asm/processor.h:11,
                    from arch/x86/include/asm/cpufeature.h:4,
                    from arch/x86/include/asm/thread_info.h:52,
                    from include/linux/thread_info.h:25,
                    from arch/x86/include/asm/preempt.h:6,
                    from include/linux/preempt.h:59,
                    from include/linux/spinlock.h:50,
                    from include/linux/wait.h:8,
                    from include/linux/fs.h:5,
                    from include/linux/debugfs.h:18,
                    from arch/x86/mm/dump_pagetables.c:15:
>> arch/x86/include/asm/pgtable_64_types.h:71:37: error: '__end_of_fixed_addresses' undeclared here (not in a function)
    #define MODULES_END   __fix_to_virt(__end_of_fixed_addresses + 1)
                                        ^
>> arch/x86/mm/dump_pagetables.c:87:4: note: in expansion of macro 'MODULES_END'
     { MODULES_END,          "End Modules" },
       ^
   cc1: some warnings being treated as errors

vim +/__fix_to_virt +87 arch/x86/mm/dump_pagetables.c

926e5392b Arjan van de Ven 2008-04-17   9   * This program is free software; you can redistribute it and/or
926e5392b Arjan van de Ven 2008-04-17  10   * modify it under the terms of the GNU General Public License
926e5392b Arjan van de Ven 2008-04-17  11   * as published by the Free Software Foundation; version 2
926e5392b Arjan van de Ven 2008-04-17  12   * of the License.
926e5392b Arjan van de Ven 2008-04-17  13   */
926e5392b Arjan van de Ven 2008-04-17  14  
fe770bf03 H. Peter Anvin   2008-04-17 @15  #include <linux/debugfs.h>
fe770bf03 H. Peter Anvin   2008-04-17  16  #include <linux/mm.h>
84e629b66 Paul Gortmaker   2016-07-13  17  #include <linux/init.h>
146fbb766 Andrey Ryabinin  2017-02-10  18  #include <linux/sched.h>
926e5392b Arjan van de Ven 2008-04-17  19  #include <linux/seq_file.h>
926e5392b Arjan van de Ven 2008-04-17  20  
926e5392b Arjan van de Ven 2008-04-17  21  #include <asm/pgtable.h>
926e5392b Arjan van de Ven 2008-04-17  22  
926e5392b Arjan van de Ven 2008-04-17  23  /*
926e5392b Arjan van de Ven 2008-04-17  24   * The dumper groups pagetable entries of the same type into one, and for
926e5392b Arjan van de Ven 2008-04-17  25   * that it needs to keep some state when walking, and flush this state
926e5392b Arjan van de Ven 2008-04-17  26   * when a "break" in the continuity is found.
926e5392b Arjan van de Ven 2008-04-17  27   */
926e5392b Arjan van de Ven 2008-04-17  28  struct pg_state {
926e5392b Arjan van de Ven 2008-04-17  29  	int level;
926e5392b Arjan van de Ven 2008-04-17  30  	pgprot_t current_prot;
926e5392b Arjan van de Ven 2008-04-17  31  	unsigned long start_address;
926e5392b Arjan van de Ven 2008-04-17  32  	unsigned long current_address;
fe770bf03 H. Peter Anvin   2008-04-17  33  	const struct addr_marker *marker;
3891a04aa H. Peter Anvin   2014-04-29  34  	unsigned long lines;
ef6bea6dd Borislav Petkov  2014-01-18  35  	bool to_dmesg;
e1a58320a Stephen Smalley  2015-10-05  36  	bool check_wx;
e1a58320a Stephen Smalley  2015-10-05  37  	unsigned long wx_pages;
926e5392b Arjan van de Ven 2008-04-17  38  };
926e5392b Arjan van de Ven 2008-04-17  39  
fe770bf03 H. Peter Anvin   2008-04-17  40  struct addr_marker {
fe770bf03 H. Peter Anvin   2008-04-17  41  	unsigned long start_address;
fe770bf03 H. Peter Anvin   2008-04-17  42  	const char *name;
3891a04aa H. Peter Anvin   2014-04-29  43  	unsigned long max_lines;
fe770bf03 H. Peter Anvin   2008-04-17  44  };
926e5392b Arjan van de Ven 2008-04-17  45  
92851e2fc Andres Salomon   2010-07-20  46  /* indices for address_markers; keep sync'd w/ address_markers below */
92851e2fc Andres Salomon   2010-07-20  47  enum address_markers_idx {
92851e2fc Andres Salomon   2010-07-20  48  	USER_SPACE_NR = 0,
92851e2fc Andres Salomon   2010-07-20  49  #ifdef CONFIG_X86_64
92851e2fc Andres Salomon   2010-07-20  50  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  51  	LOW_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  52  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  53  	VMEMMAP_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  54  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  55  	ESPFIX_START_NR,
8a5a5d153 Mathias Krause   2014-09-07  56  # endif
92851e2fc Andres Salomon   2010-07-20  57  	HIGH_KERNEL_NR,
92851e2fc Andres Salomon   2010-07-20  58  	MODULES_VADDR_NR,
92851e2fc Andres Salomon   2010-07-20  59  	MODULES_END_NR,
92851e2fc Andres Salomon   2010-07-20  60  #else
92851e2fc Andres Salomon   2010-07-20  61  	KERNEL_SPACE_NR,
92851e2fc Andres Salomon   2010-07-20  62  	VMALLOC_START_NR,
92851e2fc Andres Salomon   2010-07-20  63  	VMALLOC_END_NR,
92851e2fc Andres Salomon   2010-07-20  64  # ifdef CONFIG_HIGHMEM
92851e2fc Andres Salomon   2010-07-20  65  	PKMAP_BASE_NR,
92851e2fc Andres Salomon   2010-07-20  66  # endif
92851e2fc Andres Salomon   2010-07-20  67  	FIXADDR_START_NR,
92851e2fc Andres Salomon   2010-07-20  68  #endif
92851e2fc Andres Salomon   2010-07-20  69  };
92851e2fc Andres Salomon   2010-07-20  70  
fe770bf03 H. Peter Anvin   2008-04-17  71  /* Address space markers hints */
fe770bf03 H. Peter Anvin   2008-04-17  72  static struct addr_marker address_markers[] = {
fe770bf03 H. Peter Anvin   2008-04-17  73  	{ 0, "User Space" },
fe770bf03 H. Peter Anvin   2008-04-17  74  #ifdef CONFIG_X86_64
fe770bf03 H. Peter Anvin   2008-04-17  75  	{ 0x8000000000000000UL, "Kernel Space" },
0483e1fa6 Thomas Garnier   2016-06-21  76  	{ 0/* PAGE_OFFSET */,   "Low Kernel Mapping" },
0483e1fa6 Thomas Garnier   2016-06-21  77  	{ 0/* VMALLOC_START */, "vmalloc() Area" },
0483e1fa6 Thomas Garnier   2016-06-21  78  	{ 0/* VMEMMAP_START */, "Vmemmap" },
8a5a5d153 Mathias Krause   2014-09-07  79  # ifdef CONFIG_X86_ESPFIX64
3891a04aa H. Peter Anvin   2014-04-29  80  	{ ESPFIX_BASE_ADDR,	"ESPfix Area", 16 },
8a5a5d153 Mathias Krause   2014-09-07  81  # endif
8266e31ed Mathias Krause   2014-09-21  82  # ifdef CONFIG_EFI
8266e31ed Mathias Krause   2014-09-21  83  	{ EFI_VA_END,		"EFI Runtime Services" },
8266e31ed Mathias Krause   2014-09-21  84  # endif
fe770bf03 H. Peter Anvin   2008-04-17  85  	{ __START_KERNEL_map,   "High Kernel Mapping" },
9a79cf9c1 Yinghai Lu       2008-03-07  86  	{ MODULES_VADDR,        "Modules" },
9a79cf9c1 Yinghai Lu       2008-03-07 @87  	{ MODULES_END,          "End Modules" },
fe770bf03 H. Peter Anvin   2008-04-17  88  #else
fe770bf03 H. Peter Anvin   2008-04-17  89  	{ PAGE_OFFSET,          "Kernel Mapping" },
fe770bf03 H. Peter Anvin   2008-04-17  90  	{ 0/* VMALLOC_START */, "vmalloc() Area" },

:::::: The code at line 87 was first introduced by commit
:::::: 9a79cf9c1aa671325fa5ba37576c2cee23823d04 x86: sort address_markers for dump_pagetables

:::::: TO: Yinghai Lu <yhlu.kernel@gmail.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  parent reply	other threads:[~2017-02-17  0:37 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-16 21:54 [PATCH v4 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size Thomas Garnier
2017-02-16 21:54 ` [kernel-hardening] " Thomas Garnier
2017-02-16 21:54 ` Thomas Garnier
2017-02-16 21:54 ` Thomas Garnier
2017-02-16 21:54 ` [PATCH v4 2/4] x86: Remap GDT tables in the Fixmap section Thomas Garnier
2017-02-16 21:54 ` Thomas Garnier
2017-02-16 21:54   ` [kernel-hardening] " Thomas Garnier
2017-02-16 21:54   ` Thomas Garnier
2017-02-16 21:54   ` Thomas Garnier
2017-02-16 21:54 ` [PATCH v4 3/4] x86: Make the GDT remapping read-only on 64-bit Thomas Garnier
2017-02-16 21:54 ` Thomas Garnier
2017-02-16 21:54   ` [kernel-hardening] " Thomas Garnier
2017-02-16 21:54   ` Thomas Garnier
2017-02-16 21:54   ` Thomas Garnier
2017-02-16 21:54 ` [PATCH v4 4/4] KVM: VMX: Simplify segment_base Thomas Garnier
2017-02-16 21:54 ` Thomas Garnier
2017-02-16 21:54   ` [kernel-hardening] " Thomas Garnier
2017-02-16 21:54   ` Thomas Garnier
2017-02-16 21:54   ` Thomas Garnier
2017-02-17  0:37 ` [PATCH v4 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size kbuild test robot
2017-02-17  0:37 ` kbuild test robot [this message]
2017-02-17  0:37   ` [kernel-hardening] " kbuild test robot
2017-02-17  0:37   ` kbuild test robot
2017-02-17  0:37   ` kbuild test robot
2017-02-17  0:45 ` kbuild test robot
2017-02-17  0:45 ` kbuild test robot
2017-02-17  0:45   ` [kernel-hardening] " kbuild test robot
2017-02-17  0:45   ` kbuild test robot
2017-02-17  0:45   ` kbuild test robot
2017-02-17 16:00   ` Thomas Garnier
2017-02-17 16:00   ` Thomas Garnier
2017-02-17 16:00     ` [kernel-hardening] " Thomas Garnier
2017-02-17 16:00     ` Thomas Garnier
2017-02-17 20:52     ` Thomas Garnier
2017-02-17 20:52       ` [kernel-hardening] " Thomas Garnier
2017-02-17 20:52       ` Thomas Garnier
2017-02-17 20:52       ` Thomas Garnier
2017-02-17 20:52     ` Thomas Garnier
  -- strict thread matches above, loose matches on Subject: below --
2017-02-16 21:54 Thomas Garnier

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