From: Fengguang Wu <fengguang.wu@intel.com>
To: kernel-janitors@vger.kernel.org
Subject: [arm-perf:cacheflush 3/4] arch/arm/kernel/entry-common.S:105: Error: non-constant expression in ".if
Date: Mon, 15 Oct 2012 13:11:49 +0000 [thread overview]
Message-ID: <20121015131149.GA23400@localhost> (raw)
Hi Will,
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git cacheflush
head: e0c396a5e4a3abbe8ac6bc19670f39f8e7b7b399
commit: 9e0ec2d6f8bc8b274b5471d194a03b7dd10e8832 [3/4] ARM: cacheflush: add new iovec-based cache flushing system call
config: arm-at91_dt_defconfig # make ARCH=arm at91_dt_defconfig
All error/warnings:
arch/arm/kernel/entry-common.S: Assembler messages:
arch/arm/kernel/entry-common.S:105: Error: non-constant expression in ".if" statement
vim +105 arch/arm/kernel/entry-common.S
9fff2fa0 Al Viro 2012-10-10 89 cmp r5, #0
9fff2fa0 Al Viro 2012-10-10 90 movne r0, r4
9fff2fa0 Al Viro 2012-10-10 91 movne lr, pc
9fff2fa0 Al Viro 2012-10-10 92 movne pc, r5
^1da177e Linus Torvalds 2005-04-16 93 get_thread_info tsk
^1da177e Linus Torvalds 2005-04-16 94 b ret_slow_syscall
93ed3970 Catalin Marinas 2008-08-28 95 ENDPROC(ret_from_fork)
^1da177e Linus Torvalds 2005-04-16 96
fa1b4f91 Al Viro 2006-01-19 97 .equ NR_syscalls,0
fa1b4f91 Al Viro 2006-01-19 98 #define CALL(x) .equ NR_syscalls,NR_syscalls+1
^1da177e Linus Torvalds 2005-04-16 99 #include "calls.S"
1f66e06f Wade Farnsworth 2012-09-07 100
1f66e06f Wade Farnsworth 2012-09-07 101 /*
1f66e06f Wade Farnsworth 2012-09-07 102 * Ensure that the system call table is equal to __NR_syscalls,
1f66e06f Wade Farnsworth 2012-09-07 103 * which is the value the rest of the system sees
1f66e06f Wade Farnsworth 2012-09-07 104 */
1f66e06f Wade Farnsworth 2012-09-07 @105 .ifne NR_syscalls - __NR_syscalls
1f66e06f Wade Farnsworth 2012-09-07 106 .error "__NR_syscalls is not equal to the size of the syscall table"
1f66e06f Wade Farnsworth 2012-09-07 107 .endif
1f66e06f Wade Farnsworth 2012-09-07 108
fa1b4f91 Al Viro 2006-01-19 109 #undef CALL
fa1b4f91 Al Viro 2006-01-19 110 #define CALL(x) .long x
^1da177e Linus Torvalds 2005-04-16 111
606576ce Steven Rostedt 2008-10-06 112 #ifdef CONFIG_FUNCTION_TRACER
686ff228 Rabin Vincent 2010-08-03 113 /*
The code at line 105 was first introduced by commit:
1f66e06 ARM: 7524/1: support syscall tracing
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
next reply other threads:[~2012-10-15 13:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-15 13:11 Fengguang Wu [this message]
2012-10-15 14:50 ` [arm-perf:cacheflush 3/4] arch/arm/kernel/entry-common.S:105: Error: non-constant expression in Will Deacon
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