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* [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
@ 2023-12-26 11:22 Youling Tang
  2023-12-26 17:13 ` kernel test robot
  0 siblings, 1 reply; 3+ messages in thread
From: Youling Tang @ 2023-12-26 11:22 UTC (permalink / raw)
  To: Baoquan He; +Cc: Huacai Chen, linux-kernel, Youling Tang

From: Youling Tang <tangyouling@kylinos.cn>

Remove duplicate definitions, no functional changes.

Reported-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
---
 include/linux/crash_core.h | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 5126a4fecb44..02397c5639fe 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -87,16 +87,6 @@ Elf_Word *append_elf_note(Elf_Word *buf, char *name, unsigned int type,
 			  void *data, size_t data_len);
 void final_note(Elf_Word *buf);
 
-#ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
-#ifndef DEFAULT_CRASH_KERNEL_LOW_SIZE
-#define DEFAULT_CRASH_KERNEL_LOW_SIZE  (128UL << 20)
-#endif
-#endif
-
-int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
-		unsigned long long *crash_size, unsigned long long *crash_base,
-		unsigned long long *low_size, bool *high);
-
 #ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
 #ifndef DEFAULT_CRASH_KERNEL_LOW_SIZE
 #define DEFAULT_CRASH_KERNEL_LOW_SIZE	(128UL << 20)
@@ -111,6 +101,10 @@ int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
 #define CRASH_ADDR_HIGH_MAX		memblock_end_of_DRAM()
 #endif
 
+int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
+		unsigned long long *crash_size, unsigned long long *crash_base,
+		unsigned long long *low_size, bool *high);
+
 void __init reserve_crashkernel_generic(char *cmdline,
 		unsigned long long crash_size,
 		unsigned long long crash_base,
-- 
2.40.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
  2023-12-26 11:22 [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE Youling Tang
@ 2023-12-26 17:13 ` kernel test robot
  2023-12-27  0:48   ` Baoquan He
  0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2023-12-26 17:13 UTC (permalink / raw)
  To: Youling Tang, Baoquan He
  Cc: oe-kbuild-all, Huacai Chen, linux-kernel, Youling Tang

Hi Youling,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.7-rc7 next-20231222]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Youling-Tang/kdump-Remove-redundant-DEFAULT_CRASH_KERNEL_LOW_SIZE/20231226-193215
base:   linus/master
patch link:    https://lore.kernel.org/r/MW4PR84MB3145D3EB871BBD59AA71C0FC8198A%40MW4PR84MB3145.NAMPRD84.PROD.OUTLOOK.COM
patch subject: [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
config: i386-buildonly-randconfig-002-20231226 (https://download.01.org/0day-ci/archive/20231227/202312270133.8w4Wrh4h-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231227/202312270133.8w4Wrh4h-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312270133.8w4Wrh4h-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/x86/kernel/setup.c: In function 'arch_reserve_crashkernel':
>> arch/x86/kernel/setup.c:479:8: error: implicit declaration of function 'parse_crashkernel' [-Werror=implicit-function-declaration]
     479 |  ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
         |        ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/parse_crashkernel +479 arch/x86/kernel/setup.c

a0a0becd2da0ba Yinghai Lu     2008-07-03  468  
9c08a2a139fe83 Baoquan He     2023-09-14  469  static void __init arch_reserve_crashkernel(void)
ccb4defa71744f Yinghai Lu     2008-06-25  470  {
9c08a2a139fe83 Baoquan He     2023-09-14  471  	unsigned long long crash_base, crash_size, low_size = 0;
9c08a2a139fe83 Baoquan He     2023-09-14  472  	char *cmdline = boot_command_line;
55a20ee7804ab6 Yinghai Lu     2013-04-15  473  	bool high = false;
ccb4defa71744f Yinghai Lu     2008-06-25  474  	int ret;
ccb4defa71744f Yinghai Lu     2008-06-25  475  
4ece09be9913a8 Jisheng Zhang  2022-03-23  476  	if (!IS_ENABLED(CONFIG_KEXEC_CORE))
4ece09be9913a8 Jisheng Zhang  2022-03-23  477  		return;
4ece09be9913a8 Jisheng Zhang  2022-03-23  478  
9c08a2a139fe83 Baoquan He     2023-09-14 @479  	ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
9c08a2a139fe83 Baoquan He     2023-09-14  480  				&crash_size, &crash_base,
9c08a2a139fe83 Baoquan He     2023-09-14  481  				&low_size, &high);
9c08a2a139fe83 Baoquan He     2023-09-14  482  	if (ret)
32105f7fd8faa7 Bernhard Walle 2008-06-26  483  		return;
32105f7fd8faa7 Bernhard Walle 2008-06-26  484  
3db3eb285259ac Petr Tesarik   2018-04-25  485  	if (xen_pv_domain()) {
3db3eb285259ac Petr Tesarik   2018-04-25  486  		pr_info("Ignoring crashkernel for a Xen PV domain\n");
3db3eb285259ac Petr Tesarik   2018-04-25  487  		return;
3db3eb285259ac Petr Tesarik   2018-04-25  488  	}
3db3eb285259ac Petr Tesarik   2018-04-25  489  
9c08a2a139fe83 Baoquan He     2023-09-14  490  	reserve_crashkernel_generic(cmdline, crash_size, crash_base,
9c08a2a139fe83 Baoquan He     2023-09-14  491  				    low_size, high);
ccb4defa71744f Yinghai Lu     2008-06-25  492  }
ccb4defa71744f Yinghai Lu     2008-06-25  493  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
  2023-12-26 17:13 ` kernel test robot
@ 2023-12-27  0:48   ` Baoquan He
  0 siblings, 0 replies; 3+ messages in thread
From: Baoquan He @ 2023-12-27  0:48 UTC (permalink / raw)
  To: kernel test robot
  Cc: Youling Tang, oe-kbuild-all, Huacai Chen, linux-kernel,
	Youling Tang

On 12/27/23 at 01:13am, kernel test robot wrote:
> Hi Youling,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v6.7-rc7 next-20231222]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Youling-Tang/kdump-Remove-redundant-DEFAULT_CRASH_KERNEL_LOW_SIZE/20231226-193215
> base:   linus/master
> patch link:    https://lore.kernel.org/r/MW4PR84MB3145D3EB871BBD59AA71C0FC8198A%40MW4PR84MB3145.NAMPRD84.PROD.OUTLOOK.COM
> patch subject: [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
> config: i386-buildonly-randconfig-002-20231226 (https://download.01.org/0day-ci/archive/20231227/202312270133.8w4Wrh4h-lkp@intel.com/config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231227/202312270133.8w4Wrh4h-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202312270133.8w4Wrh4h-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):

This has been fixed by patch author's v2 patch:
https://lore.kernel.org/all/MW4PR84MB3145459ADC7EB38BBB36955B8198A@MW4PR84MB3145.NAMPRD84.PROD.OUTLOOK.COM/T/#u

> 
>    arch/x86/kernel/setup.c: In function 'arch_reserve_crashkernel':
> >> arch/x86/kernel/setup.c:479:8: error: implicit declaration of function 'parse_crashkernel' [-Werror=implicit-function-declaration]
>      479 |  ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
>          |        ^~~~~~~~~~~~~~~~~
>    cc1: some warnings being treated as errors
> 
> 
> vim +/parse_crashkernel +479 arch/x86/kernel/setup.c
> 
> a0a0becd2da0ba Yinghai Lu     2008-07-03  468  
> 9c08a2a139fe83 Baoquan He     2023-09-14  469  static void __init arch_reserve_crashkernel(void)
> ccb4defa71744f Yinghai Lu     2008-06-25  470  {
> 9c08a2a139fe83 Baoquan He     2023-09-14  471  	unsigned long long crash_base, crash_size, low_size = 0;
> 9c08a2a139fe83 Baoquan He     2023-09-14  472  	char *cmdline = boot_command_line;
> 55a20ee7804ab6 Yinghai Lu     2013-04-15  473  	bool high = false;
> ccb4defa71744f Yinghai Lu     2008-06-25  474  	int ret;
> ccb4defa71744f Yinghai Lu     2008-06-25  475  
> 4ece09be9913a8 Jisheng Zhang  2022-03-23  476  	if (!IS_ENABLED(CONFIG_KEXEC_CORE))
> 4ece09be9913a8 Jisheng Zhang  2022-03-23  477  		return;
> 4ece09be9913a8 Jisheng Zhang  2022-03-23  478  
> 9c08a2a139fe83 Baoquan He     2023-09-14 @479  	ret = parse_crashkernel(cmdline, memblock_phys_mem_size(),
> 9c08a2a139fe83 Baoquan He     2023-09-14  480  				&crash_size, &crash_base,
> 9c08a2a139fe83 Baoquan He     2023-09-14  481  				&low_size, &high);
> 9c08a2a139fe83 Baoquan He     2023-09-14  482  	if (ret)
> 32105f7fd8faa7 Bernhard Walle 2008-06-26  483  		return;
> 32105f7fd8faa7 Bernhard Walle 2008-06-26  484  
> 3db3eb285259ac Petr Tesarik   2018-04-25  485  	if (xen_pv_domain()) {
> 3db3eb285259ac Petr Tesarik   2018-04-25  486  		pr_info("Ignoring crashkernel for a Xen PV domain\n");
> 3db3eb285259ac Petr Tesarik   2018-04-25  487  		return;
> 3db3eb285259ac Petr Tesarik   2018-04-25  488  	}
> 3db3eb285259ac Petr Tesarik   2018-04-25  489  
> 9c08a2a139fe83 Baoquan He     2023-09-14  490  	reserve_crashkernel_generic(cmdline, crash_size, crash_base,
> 9c08a2a139fe83 Baoquan He     2023-09-14  491  				    low_size, high);
> ccb4defa71744f Yinghai Lu     2008-06-25  492  }
> ccb4defa71744f Yinghai Lu     2008-06-25  493  
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
> 


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-12-27  0:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-12-26 11:22 [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE Youling Tang
2023-12-26 17:13 ` kernel test robot
2023-12-27  0:48   ` Baoquan He

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