linux-kernel - Re: [PATCH] um: always use the same type for __syscall_stub

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <54391F7C.1050001@m4x.org>
Date:	Sat, 11 Oct 2014 14:15:56 +0200
From:	Nicolas Iooss <nicolas.iooss_linux@....org>
To:	Richard Weinberger <richard@....at>, Jeff Dike <jdike@...toit.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	user-mode-linux-user@...ts.sourceforge.net
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] um: always use the same type for __syscall_stub_start

2014-10-11 13:42 GMT+02:00 Richard Weinberger:
> Am 11.10.2014 um 13:29 schrieb Nicolas Iooss:
>> syscall_stub_start is declared with different types in C files:
>>
>>   arch/um/kernel/physmem.c: extern int __syscall_stub_start;
>>   arch/um/kernel/skas/mmu.c: extern int __syscall_stub_start;
>>   arch/um/os-Linux/skas/mem.c: extern unsigned long __syscall_stub_start;
>>   arch/um/os-Linux/skas/process.c: extern int __syscall_stub_start;
>>
>> Fix this inconsistency by always using unsigned long.  This does not
>> change anything in the compiled code because only the address of
>> __syscall_stub_start is used, but it makes the static checker I use
>> stop complaining about incompatible declarations.
>
> While we're here, can you put these declarations into a single header
file?

Sure.  Do you have a specific header file in mind or shall I create
arch/um/include/asm/sections.h with declarations for
__syscall_stub_start, __syscall_stub_end and __binary_start (used in
arch/um/kernel/um_arch.c)?

Thanks for your quick reply,

Nicolas


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/