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Message-ID: <202111182255.HD3RikGs-lkp@intel.com>
Date: Thu, 18 Nov 2021 22:58:54 +0800
From: kernel test robot <lkp@...el.com>
To: Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
Will Deacon <will@...nel.org>, rostedt@...dmis.org,
Catalin Marinas <catalin.marinas@....com>,
quic_psodagud@...cinc.com
Cc: kbuild-all@...ts.01.org, Marc Zyngier <maz@...nel.org>,
gregkh@...uxfoundation.org, arnd@...db.de,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCHv4 2/2] arm64/io: Add a header for mmio access
instrumentation
Hi Sai,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on rostedt-trace/for-next]
[also build test WARNING on arm64/for-next/core arm-perf/for-next/perf v5.16-rc1 next-20211118]
[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/Sai-Prakash-Ranjan/tracing-rwmmio-arm64-Add-support-to-trace-register-reads-writes/20211115-193645
base: https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git for-next
config: csky-randconfig-r005-20211118 (attached as .config)
compiler: csky-linux-gcc (GCC) 11.2.0
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/b3765baa5dcf19d695332a310cf29d7abd39ad73
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Sai-Prakash-Ranjan/tracing-rwmmio-arm64-Add-support-to-trace-register-reads-writes/20211115-193645
git checkout b3765baa5dcf19d695332a310cf29d7abd39ad73
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=csky SHELL=/bin/bash kernel/trace/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/bitops.h:33,
from include/linux/kernel.h:12,
from include/linux/interrupt.h:6,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
arch/csky/include/asm/bitops.h:77: warning: "__clear_bit" redefined
77 | #define __clear_bit(nr, vaddr) clear_bit(nr, vaddr)
|
In file included from arch/csky/include/asm/bitops.h:76,
from include/linux/bitops.h:33,
from include/linux/kernel.h:12,
from include/linux/interrupt.h:6,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/bitops/non-atomic.h:34: note: this is the location of the previous definition
34 | #define __clear_bit arch___clear_bit
|
In file included from kernel/trace/trace_readwrite.c:9:
>> include/linux/mmio-instrumented.h:32: warning: "__raw_writeb" redefined
32 | #define __raw_writeb(v, a) __raw_write((v), a, b)
|
In file included from arch/csky/include/asm/io.h:42,
from include/linux/io.h:13,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from ./arch/csky/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/io.h:108: note: this is the location of the previous definition
108 | #define __raw_writeb __raw_writeb
|
In file included from kernel/trace/trace_readwrite.c:9:
>> include/linux/mmio-instrumented.h:33: warning: "__raw_writew" redefined
33 | #define __raw_writew(v, a) __raw_write((v), a, w)
|
In file included from arch/csky/include/asm/io.h:42,
from include/linux/io.h:13,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from ./arch/csky/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/io.h:116: note: this is the location of the previous definition
116 | #define __raw_writew __raw_writew
|
In file included from kernel/trace/trace_readwrite.c:9:
>> include/linux/mmio-instrumented.h:34: warning: "__raw_writel" redefined
34 | #define __raw_writel(v, a) __raw_write((v), a, l)
|
In file included from arch/csky/include/asm/io.h:42,
from include/linux/io.h:13,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from ./arch/csky/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/io.h:124: note: this is the location of the previous definition
124 | #define __raw_writel __raw_writel
|
In file included from kernel/trace/trace_readwrite.c:9:
>> include/linux/mmio-instrumented.h:46: warning: "__raw_readb" redefined
46 | #define __raw_readb(a) __raw_read((a), b, u8)
|
In file included from arch/csky/include/asm/io.h:42,
from include/linux/io.h:13,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from ./arch/csky/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/io.h:74: note: this is the location of the previous definition
74 | #define __raw_readb __raw_readb
|
In file included from kernel/trace/trace_readwrite.c:9:
>> include/linux/mmio-instrumented.h:47: warning: "__raw_readw" redefined
47 | #define __raw_readw(a) __raw_read((a), w, u16)
|
In file included from arch/csky/include/asm/io.h:42,
from include/linux/io.h:13,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from ./arch/csky/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/io.h:82: note: this is the location of the previous definition
82 | #define __raw_readw __raw_readw
|
In file included from kernel/trace/trace_readwrite.c:9:
>> include/linux/mmio-instrumented.h:48: warning: "__raw_readl" redefined
48 | #define __raw_readl(a) __raw_read((a), l, u32)
|
In file included from arch/csky/include/asm/io.h:42,
from include/linux/io.h:13,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from ./arch/csky/include/generated/asm/hardirq.h:1,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from kernel/trace/trace_readwrite.c:8:
include/asm-generic/io.h:90: note: this is the location of the previous definition
90 | #define __raw_readl __raw_readl
|
In file included from include/trace/define_trace.h:102,
from include/trace/events/rwmmio.h:59,
from kernel/trace/trace_readwrite.c:13:
include/trace/events/rwmmio.h: In function 'trace_event_raw_event_rwmmio_write':
>> include/trace/events/rwmmio.h:27:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
27 | __entry->addr = (u64)(void *)addr;
| ^
include/trace/trace_events.h:743:11: note: in definition of macro 'DECLARE_EVENT_CLASS'
743 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:79:30: note: in expansion of macro 'PARAMS'
79 | PARAMS(assign), \
| ^~~~~~
include/trace/events/rwmmio.h:13:1: note: in expansion of macro 'TRACE_EVENT'
13 | TRACE_EVENT(rwmmio_write,
| ^~~~~~~~~~~
include/trace/events/rwmmio.h:25:9: note: in expansion of macro 'TP_fast_assign'
25 | TP_fast_assign(
| ^~~~~~~~~~~~~~
include/trace/events/rwmmio.h: In function 'trace_event_raw_event_rwmmio_read':
include/trace/events/rwmmio.h:49:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
49 | __entry->addr = (u64)(void *)addr;
| ^
include/trace/trace_events.h:743:11: note: in definition of macro 'DECLARE_EVENT_CLASS'
743 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:79:30: note: in expansion of macro 'PARAMS'
79 | PARAMS(assign), \
| ^~~~~~
include/trace/events/rwmmio.h:35:1: note: in expansion of macro 'TRACE_EVENT'
35 | TRACE_EVENT(rwmmio_read,
| ^~~~~~~~~~~
include/trace/events/rwmmio.h:47:9: note: in expansion of macro 'TP_fast_assign'
47 | TP_fast_assign(
| ^~~~~~~~~~~~~~
vim +/__raw_writeb +32 include/linux/mmio-instrumented.h
24
25 #define __raw_write(v, a, _l) ({ \
26 volatile void __iomem *_a = (a); \
27 if (tracepoint_enabled(rwmmio_write)) \
28 log_write_mmio(__stringify(write##_l), _a); \
29 arch_raw_write##_l((v), _a); \
30 })
31
> 32 #define __raw_writeb(v, a) __raw_write((v), a, b)
> 33 #define __raw_writew(v, a) __raw_write((v), a, w)
> 34 #define __raw_writel(v, a) __raw_write((v), a, l)
35 #define __raw_writeq(v, a) __raw_write((v), a, q)
36
37 #define __raw_read(a, _l, _t) ({ \
38 _t __a; \
39 const volatile void __iomem *_a = (a); \
40 if (tracepoint_enabled(rwmmio_read)) \
41 log_read_mmio(__stringify(read##_l), _a); \
42 __a = arch_raw_read##_l(_a); \
43 __a; \
44 })
45
> 46 #define __raw_readb(a) __raw_read((a), b, u8)
> 47 #define __raw_readw(a) __raw_read((a), w, u16)
> 48 #define __raw_readl(a) __raw_read((a), l, u32)
49 #define __raw_readq(a) __raw_read((a), q, u64)
50
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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