From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2 2/4] [RFC] x86/trampfd: Provide support for the trampoline file descriptor
Date: Thu, 17 Sep 2020 09:10:49 +0800 [thread overview]
Message-ID: <202009170958.apbXV0qr%lkp@intel.com> (raw)
In-Reply-To: <20200916150826.5990-3-madvenka@linux.microsoft.com>
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Hi,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on arm/for-next tip/x86/core linus/master v5.9-rc5]
[cannot apply to next-20200916]
[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]
url: https://github.com/0day-ci/linux/commits/madvenka-linux-microsoft-com/Implement-Trampoline-File-Descriptor/20200917-023228
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/x86/kernel/trampfd.c:25:6: warning: no previous prototype for 'trampfd_arch' [-Wmissing-prototypes]
25 | void trampfd_arch(struct trampfd_info *info)
| ^~~~~~~~~~~~
>> arch/x86/kernel/trampfd.c:39:5: warning: no previous prototype for 'trampfd_code_arch' [-Wmissing-prototypes]
39 | int trampfd_code_arch(struct trampfd_code *code)
| ^~~~~~~~~~~~~~~~~
>> arch/x86/kernel/trampfd.c:65:5: warning: no previous prototype for 'trampfd_data_arch' [-Wmissing-prototypes]
65 | int trampfd_data_arch(struct trampfd_data *data)
| ^~~~~~~~~~~~~~~~~
>> arch/x86/kernel/trampfd.c:232:6: warning: no previous prototype for 'trampfd_code_fill' [-Wmissing-prototypes]
232 | void trampfd_code_fill(struct trampfd *trampfd, char *addr)
| ^~~~~~~~~~~~~~~~~
# https://github.com/0day-ci/linux/commit/39793e95da2e549df500290870cd5eea767f66ff
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review madvenka-linux-microsoft-com/Implement-Trampoline-File-Descriptor/20200917-023228
git checkout 39793e95da2e549df500290870cd5eea767f66ff
vim +/trampfd_arch +25 arch/x86/kernel/trampfd.c
21
22 /*
23 * trampfd syscall.
24 */
> 25 void trampfd_arch(struct trampfd_info *info)
26 {
27 if (is_compat())
28 info->code_size = TRAMPFD_CODE_32_SIZE;
29 else
30 info->code_size = TRAMPFD_CODE_64_SIZE;
31 info->ntrampolines = PAGE_SIZE / info->code_size;
32 info->code_offset = TRAMPFD_CODE_PGOFF << PAGE_SHIFT;
33 info->reserved = 0;
34 }
35
36 /*
37 * trampfd code descriptor check.
38 */
> 39 int trampfd_code_arch(struct trampfd_code *code)
40 {
41 int ntrampolines;
42 int min, max;
43
44 if (is_compat()) {
45 min = x32_min;
46 max = x32_max;
47 ntrampolines = PAGE_SIZE / TRAMPFD_CODE_32_SIZE;
48 } else {
49 min = x64_min;
50 max = x64_max;
51 ntrampolines = PAGE_SIZE / TRAMPFD_CODE_64_SIZE;
52 }
53
54 if (code->reg < min || code->reg >= max)
55 return -EINVAL;
56
57 if (!code->ntrampolines || code->ntrampolines > ntrampolines)
58 return -EINVAL;
59 return 0;
60 }
61
62 /*
63 * trampfd data descriptor check.
64 */
> 65 int trampfd_data_arch(struct trampfd_data *data)
66 {
67 int min, max;
68
69 if (is_compat()) {
70 min = x32_min;
71 max = x32_max;
72 } else {
73 min = x64_min;
74 max = x64_max;
75 }
76
77 if (data->reg < min || data->reg >= max)
78 return -EINVAL;
79 return 0;
80 }
81
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2020-09-17 1:10 UTC|newest]
Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <210d7cd762d5307c2aa1676705b392bd445f1baa>
2020-09-16 15:08 ` [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor madvenka
2020-09-16 15:08 ` madvenka
2020-09-16 15:08 ` [PATCH v2 1/4] [RFC] fs/trampfd: Implement the trampoline file descriptor API madvenka
2020-09-16 15:08 ` madvenka
2020-09-16 15:08 ` [PATCH v2 2/4] [RFC] x86/trampfd: Provide support for the trampoline file descriptor madvenka
2020-09-16 15:08 ` madvenka
2020-09-17 1:10 ` kernel test robot [this message]
2020-09-17 3:04 ` kernel test robot
2020-09-16 15:08 ` [PATCH v2 3/4] [RFC] arm64/trampfd: " madvenka
2020-09-16 15:08 ` madvenka
2020-09-16 15:08 ` [PATCH v2 4/4] [RFC] arm/trampfd: " madvenka
2020-09-16 15:08 ` madvenka
2020-09-17 1:04 ` [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor Florian Weimer
2020-09-17 1:04 ` Florian Weimer
2020-09-17 1:04 ` Florian Weimer
2020-09-17 15:36 ` Madhavan T. Venkataraman
2020-09-17 15:36 ` Madhavan T. Venkataraman
2020-09-17 15:57 ` Madhavan T. Venkataraman
2020-09-17 15:57 ` Madhavan T. Venkataraman
2020-09-17 16:01 ` Florian Weimer
2020-09-17 16:01 ` Florian Weimer
2020-09-17 16:01 ` Florian Weimer
2020-09-23 1:46 ` Arvind Sankar
2020-09-23 1:46 ` Arvind Sankar
2020-09-23 9:11 ` Arvind Sankar
2020-09-23 9:11 ` Arvind Sankar
2020-09-23 19:17 ` Madhavan T. Venkataraman
2020-09-23 19:17 ` Madhavan T. Venkataraman
2020-09-23 19:51 ` Arvind Sankar
2020-09-23 19:51 ` Arvind Sankar
2020-09-23 23:51 ` Madhavan T. Venkataraman
2020-09-23 23:51 ` Madhavan T. Venkataraman
2020-09-24 20:23 ` Madhavan T. Venkataraman
2020-09-24 20:23 ` Madhavan T. Venkataraman
2020-09-24 20:52 ` Florian Weimer
2020-09-24 20:52 ` Florian Weimer
2020-09-24 20:52 ` Florian Weimer
2020-09-25 22:22 ` Madhavan T. Venkataraman
2020-09-25 22:22 ` Madhavan T. Venkataraman
2020-09-27 18:25 ` Madhavan T. Venkataraman
2020-09-27 18:25 ` Madhavan T. Venkataraman
2020-10-03 9:43 ` Jay K
2020-10-03 9:43 ` Jay K
2020-09-24 22:13 ` Pavel Machek
2020-09-24 22:13 ` Pavel Machek
2020-09-24 23:43 ` Arvind Sankar
2020-09-24 23:43 ` Arvind Sankar
2020-09-25 22:44 ` Madhavan T. Venkataraman
2020-09-25 22:44 ` Madhavan T. Venkataraman
2020-09-26 15:55 ` Arvind Sankar
2020-09-26 15:55 ` Arvind Sankar
2020-09-27 17:59 ` Madhavan T. Venkataraman
2020-09-27 17:59 ` Madhavan T. Venkataraman
2020-09-23 2:50 ` Jay K
2020-09-23 2:50 ` Jay K
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` [PATCH v2 1/4] [RFC] fs/trampfd: Implement the trampoline file descriptor API madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` [PATCH v2 2/4] [RFC] x86/trampfd: Provide support for the trampoline file descriptor madvenka
2020-09-22 21:53 ` madvenka
2020-09-23 13:40 ` kernel test robot
2020-09-22 21:53 ` [PATCH v2 3/4] [RFC] arm64/trampfd: " madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` [PATCH v2 4/4] [RFC] arm/trampfd: " madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:54 ` [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor Madhavan T. Venkataraman
2020-09-22 21:54 ` Madhavan T. Venkataraman
2020-09-23 8:14 ` Pavel Machek
2020-09-23 8:14 ` Pavel Machek
2020-09-23 9:14 ` Solar Designer
2020-09-23 9:14 ` Solar Designer
2020-09-23 14:11 ` Solar Designer
2020-09-23 14:11 ` Solar Designer
2020-09-23 15:18 ` Pavel Machek
2020-09-23 15:18 ` Pavel Machek
2020-09-23 18:00 ` Solar Designer
2020-09-23 18:00 ` Solar Designer
2020-09-23 18:21 ` Solar Designer
2020-09-23 18:21 ` Solar Designer
2020-09-23 14:39 ` Florian Weimer
2020-09-23 14:39 ` Florian Weimer
2020-09-23 14:39 ` Florian Weimer
2020-09-23 18:09 ` Andy Lutomirski
2020-09-23 18:09 ` Andy Lutomirski
2020-09-23 18:11 ` Solar Designer
2020-09-23 18:11 ` Solar Designer
2020-09-23 18:49 ` Arvind Sankar
2020-09-23 18:49 ` Arvind Sankar
2020-09-23 23:53 ` Madhavan T. Venkataraman
2020-09-23 23:53 ` Madhavan T. Venkataraman
2020-09-23 19:41 ` Madhavan T. Venkataraman
2020-09-23 19:41 ` Madhavan T. Venkataraman
2020-09-23 18:10 ` James Morris
2020-09-23 18:10 ` James Morris
2020-09-23 18:32 ` Madhavan T. Venkataraman
2020-09-23 18:32 ` Madhavan T. Venkataraman
2020-09-23 8:42 ` Pavel Machek
2020-09-23 8:42 ` Pavel Machek
2020-09-23 18:56 ` Madhavan T. Venkataraman
2020-09-23 18:56 ` Madhavan T. Venkataraman
2020-09-23 20:51 ` Pavel Machek
2020-09-23 20:51 ` Pavel Machek
2020-09-23 23:04 ` Madhavan T. Venkataraman
2020-09-23 23:04 ` Madhavan T. Venkataraman
2020-09-24 16:44 ` Mickaël Salaün
2020-09-24 16:44 ` Mickaël Salaün
2020-09-24 22:05 ` Pavel Machek
2020-09-24 22:05 ` Pavel Machek
2020-09-25 10:12 ` Mickaël Salaün
2020-09-25 10:12 ` Mickaël Salaün
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