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Message-ID: <202007140553.o3DtSyYG%lkp@intel.com>
Date: Tue, 14 Jul 2020 06:05:44 +0800
From: kernel test robot <lkp@...el.com>
To: Emil Renner Berthing <kernel@...il.dk>,
linux-riscv@...ts.infradead.org
Cc: kbuild-all@...ts.01.org, Emil Renner Berthing <kernel@...il.dk>,
Palmer Dabbelt <palmer@...belt.com>,
Björn Töpel <bjorn.topel@...il.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] riscv: Add jump-label implementation
Hi Emil,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.8-rc5 next-20200713]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Emil-Renner-Berthing/riscv-Support-R_RISCV_ADD64-and-R_RISCV_SUB64-relocs/20200709-051310
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dcde237b9b0eb1d19306e6f48c0a4e058907619f
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/linux/compiler_types.h:68,
from <command-line>:
arch/riscv/include/asm/jump_label.h: In function 'arch_static_branch':
>> arch/riscv/include/asm/jump_label.h:26:15: error: expected ':' before 'RISCV_LGPTR'
26 | " .align " RISCV_LGPTR " \n\t"
| ^~~~~~~~~~~
include/linux/compiler-gcc.h:121:47: note: in definition of macro 'asm_volatile_goto'
121 | #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
| ^
In file included from include/linux/jump_label.h:117,
from include/linux/dynamic_debug.h:6,
from include/linux/printk.h:404,
from kernel/module_signature.c:10:
arch/riscv/include/asm/jump_label.h:33:1: warning: label 'label' defined but not used [-Wunused-label]
33 | label:
| ^~~~~
In file included from include/linux/compiler_types.h:68,
from <command-line>:
arch/riscv/include/asm/jump_label.h: In function 'arch_static_branch_jump':
arch/riscv/include/asm/jump_label.h:47:15: error: expected ':' before 'RISCV_LGPTR'
47 | " .align " RISCV_LGPTR " \n\t"
| ^~~~~~~~~~~
include/linux/compiler-gcc.h:121:47: note: in definition of macro 'asm_volatile_goto'
121 | #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
| ^
In file included from include/linux/jump_label.h:117,
from include/linux/dynamic_debug.h:6,
from include/linux/printk.h:404,
from kernel/module_signature.c:10:
arch/riscv/include/asm/jump_label.h:54:1: warning: label 'label' defined but not used [-Wunused-label]
54 | label:
| ^~~~~
--
In file included from include/linux/compiler_types.h:68,
from <command-line>:
arch/riscv/include/asm/jump_label.h: In function 'arch_static_branch':
>> arch/riscv/include/asm/jump_label.h:26:15: error: expected ':' before 'RISCV_LGPTR'
26 | " .align " RISCV_LGPTR " \n\t"
| ^~~~~~~~~~~
include/linux/compiler-gcc.h:121:47: note: in definition of macro 'asm_volatile_goto'
121 | #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
| ^
In file included from include/linux/jump_label.h:117,
from include/linux/dynamic_debug.h:6,
from include/linux/printk.h:404,
from include/drm/drm_print.h:30,
from drivers/gpu/drm/tidss/tidss_irq.c:7:
arch/riscv/include/asm/jump_label.h:33:1: warning: label 'label' defined but not used [-Wunused-label]
33 | label:
| ^~~~~
In file included from include/linux/compiler_types.h:68,
from <command-line>:
arch/riscv/include/asm/jump_label.h: In function 'arch_static_branch_jump':
arch/riscv/include/asm/jump_label.h:47:15: error: expected ':' before 'RISCV_LGPTR'
47 | " .align " RISCV_LGPTR " \n\t"
| ^~~~~~~~~~~
include/linux/compiler-gcc.h:121:47: note: in definition of macro 'asm_volatile_goto'
121 | #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
| ^
In file included from include/linux/jump_label.h:117,
from include/linux/dynamic_debug.h:6,
from include/linux/printk.h:404,
from include/drm/drm_print.h:30,
from drivers/gpu/drm/tidss/tidss_irq.c:7:
arch/riscv/include/asm/jump_label.h:54:1: warning: label 'label' defined but not used [-Wunused-label]
54 | label:
| ^~~~~
In file included from arch/riscv/include/asm/kgdb.h:109,
from include/linux/kgdb.h:20,
from include/linux/fb.h:5,
from include/drm/drm_crtc.h:31,
from drivers/gpu/drm/tidss/tidss_crtc.h:13,
from drivers/gpu/drm/tidss/tidss_irq.c:9:
At top level:
arch/riscv/include/asm/gdb_xml.h:23:19: warning: 'riscv_gdb_stub_cpuxml' defined but not used [-Wunused-const-variable=]
23 | static const char riscv_gdb_stub_cpuxml[2048] =
| ^~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/gdb_xml.h:16:19: warning: 'riscv_gdb_stub_target_desc' defined but not used [-Wunused-const-variable=]
16 | static const char riscv_gdb_stub_target_desc[256] =
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/gdb_xml.h:13:19: warning: 'gdb_xfer_read_cpuxml' defined but not used [-Wunused-const-variable=]
13 | static const char gdb_xfer_read_cpuxml[39] =
| ^~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/gdb_xml.h:10:19: warning: 'gdb_xfer_read_target' defined but not used [-Wunused-const-variable=]
10 | static const char gdb_xfer_read_target[31] = "qXfer:features:read:target.xml:";
| ^~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/gdb_xml.h:7:19: warning: 'riscv_gdb_stub_feature' defined but not used [-Wunused-const-variable=]
7 | static const char riscv_gdb_stub_feature[64] =
| ^~~~~~~~~~~~~~~~~~~~~~
vim +26 arch/riscv/include/asm/jump_label.h
15
16 static __always_inline bool arch_static_branch(struct static_key *key,
17 bool branch)
18 {
19 asm_volatile_goto(
20 " .option push \n\t"
21 " .option norelax \n\t"
22 " .option norvc \n\t"
23 "1: nop \n\t"
24 " .option pop \n\t"
25 " .pushsection __jump_table, \"aw\" \n\t"
> 26 " .align " RISCV_LGPTR " \n\t"
27 " .long 1b - ., %l[label] - . \n\t"
28 " " RISCV_PTR " %0 - . \n\t"
29 " .popsection \n\t"
30 : : "i"(&((char *)key)[branch]) : : label);
31
32 return false;
33 label:
34 return true;
35 }
36
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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