Re: [PATCH v2] arm64: mte: Move MTE TCF0 check in entry-common

From: kernel test robot
Date: Fri Apr 09 2021 - 09:14:27 EST

Next message: Dan Carpenter: "Re: [PATCH] Staging: rtl8192u: ieee80211: fixed a trailing statements coding style issue."
Previous message: Greg KH: "Re: [PATCH v2 2/2] docs: reporting-issues: make people CC the regressions list"
In reply to: Vincenzo Frascino: "[PATCH v2] arm64: mte: Move MTE TCF0 check in entry-common"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Hi Vincenzo,

I love your patch! Yet something to improve:

[auto build test ERROR on arm/for-next]
[also build test ERROR on soc/for-next kvmarm/next linus/master v5.12-rc6 next-20210408]
[cannot apply to arm64/for-next/core xlnx/master]
[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/Vincenzo-Frascino/arm64-mte-Move-MTE-TCF0-check-in-entry-common/20210409-182215
base: git://git.armlinux.org.uk/~rmk/linux-arm.git for-next
config: arm64-allnoconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/59174442d4b85039bfec7ede4825ff2b5c0b4331
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vincenzo-Frascino/arm64-mte-Move-MTE-TCF0-check-in-entry-common/20210409-182215
git checkout 59174442d4b85039bfec7ede4825ff2b5c0b4331
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

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

In file included from arch/arm64/include/asm/pgtable.h:12,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/arm64/kernel/asm-offsets.c:12:
>> arch/arm64/include/asm/mte.h:89:1: warning: ignoring attribute 'gnu_inline' because it conflicts with attribute 'noinline' [-Wattributes]
89 | {
| ^
arch/arm64/include/asm/mte.h:34:14: note: previous declaration here
34 | void noinstr check_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
>> arch/arm64/include/asm/mte.h:88:20: error: static declaration of 'check_mte_async_tcf0' follows non-static declaration
88 | static inline void check_mte_async_tcf0(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mte.h:34:14: note: previous declaration of 'check_mte_async_tcf0' was here
34 | void noinstr check_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mte.h:92:1: warning: ignoring attribute 'gnu_inline' because it conflicts with attribute 'noinline' [-Wattributes]
92 | {
| ^
arch/arm64/include/asm/mte.h:35:14: note: previous declaration here
35 | void noinstr clear_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
>> arch/arm64/include/asm/mte.h:91:20: error: static declaration of 'clear_mte_async_tcf0' follows non-static declaration
91 | static inline void clear_mte_async_tcf0(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mte.h:35:14: note: previous declaration of 'clear_mte_async_tcf0' was here
35 | void noinstr clear_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/include/asm/pgtable.h:12,
from include/linux/pgtable.h:6,
from include/linux/mm.h:33,
from arch/arm64/kernel/asm-offsets.c:12:
>> arch/arm64/include/asm/mte.h:89:1: warning: ignoring attribute 'gnu_inline' because it conflicts with attribute 'noinline' [-Wattributes]
89 | {
| ^
arch/arm64/include/asm/mte.h:34:14: note: previous declaration here
34 | void noinstr check_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
>> arch/arm64/include/asm/mte.h:88:20: error: static declaration of 'check_mte_async_tcf0' follows non-static declaration
88 | static inline void check_mte_async_tcf0(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mte.h:34:14: note: previous declaration of 'check_mte_async_tcf0' was here
34 | void noinstr check_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mte.h:92:1: warning: ignoring attribute 'gnu_inline' because it conflicts with attribute 'noinline' [-Wattributes]
92 | {
| ^
arch/arm64/include/asm/mte.h:35:14: note: previous declaration here
35 | void noinstr clear_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
>> arch/arm64/include/asm/mte.h:91:20: error: static declaration of 'clear_mte_async_tcf0' follows non-static declaration
91 | static inline void clear_mte_async_tcf0(void)
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mte.h:35:14: note: previous declaration of 'clear_mte_async_tcf0' was here
35 | void noinstr clear_mte_async_tcf0(void);
| ^~~~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:116: arch/arm64/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1233: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +/check_mte_async_tcf0 +88 arch/arm64/include/asm/mte.h

20
21 void mte_clear_page_tags(void *addr);
22 unsigned long mte_copy_tags_from_user(void *to, const void __user *from,
23 unsigned long n);
24 unsigned long mte_copy_tags_to_user(void __user *to, void *from,
25 unsigned long n);
26 int mte_save_tags(struct page *page);
27 void mte_save_page_tags(const void *page_addr, void *tag_storage);
28 bool mte_restore_tags(swp_entry_t entry, struct page *page);
29 void mte_restore_page_tags(void *page_addr, const void *tag_storage);
30 void mte_invalidate_tags(int type, pgoff_t offset);
31 void mte_invalidate_tags_area(int type);
32 void *mte_allocate_tag_storage(void);
33 void mte_free_tag_storage(char *storage);
> 34 void noinstr check_mte_async_tcf0(void);
35 void noinstr clear_mte_async_tcf0(void);
36
37 #ifdef CONFIG_ARM64_MTE
38
39 /* track which pages have valid allocation tags */
40 #define PG_mte_tagged PG_arch_2
41
42 void mte_sync_tags(pte_t *ptep, pte_t pte);
43 void mte_copy_page_tags(void *kto, const void *kfrom);
44 void flush_mte_state(void);
45 void mte_thread_switch(struct task_struct *next);
46 void mte_suspend_exit(void);
47 long set_mte_ctrl(struct task_struct *task, unsigned long arg);
48 long get_mte_ctrl(struct task_struct *task);
49 int mte_ptrace_copy_tags(struct task_struct *child, long request,
50 unsigned long addr, unsigned long data);
51
52 void mte_assign_mem_tag_range(void *addr, size_t size);
53
54 #else /* CONFIG_ARM64_MTE */
55
56 /* unused if !CONFIG_ARM64_MTE, silence the compiler */
57 #define PG_mte_tagged 0
58
59 static inline void mte_sync_tags(pte_t *ptep, pte_t pte)
60 {
61 }
62 static inline void mte_copy_page_tags(void *kto, const void *kfrom)
63 {
64 }
65 static inline void flush_mte_state(void)
66 {
67 }
68 static inline void mte_thread_switch(struct task_struct *next)
69 {
70 }
71 static inline void mte_suspend_exit(void)
72 {
73 }
74 static inline long set_mte_ctrl(struct task_struct *task, unsigned long arg)
75 {
76 return 0;
77 }
78 static inline long get_mte_ctrl(struct task_struct *task)
79 {
80 return 0;
81 }
82 static inline int mte_ptrace_copy_tags(struct task_struct *child,
83 long request, unsigned long addr,
84 unsigned long data)
85 {
86 return -EIO;
87 }
> 88 static inline void check_mte_async_tcf0(void)
> 89 {
90 }
> 91 static inline void clear_mte_async_tcf0(void)
92 {
93 }
94

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

Next message: Dan Carpenter: "Re: [PATCH] Staging: rtl8192u: ieee80211: fixed a trailing statements coding style issue."
Previous message: Greg KH: "Re: [PATCH v2 2/2] docs: reporting-issues: make people CC the regressions list"
In reply to: Vincenzo Frascino: "[PATCH v2] arm64: mte: Move MTE TCF0 check in entry-common"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]