Date: Sat, 17 Feb 2018 01:42:15 +0100 From: Jan Beich <jbeich@FreeBSD.org> To: Hans Petter Selasky <hselasky@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r329371 - head/sys/compat/linuxkpi/common/include/asm Message-ID: <mv08-30rc-wny@FreeBSD.org> In-Reply-To: <201802161520.w1GFKLiA049085@repo.freebsd.org> (Hans Petter Selasky's message of "Fri, 16 Feb 2018 15:20:21 %2B0000 (UTC)") References: <201802161520.w1GFKLiA049085@repo.freebsd.org>
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Hans Petter Selasky <hselasky@FreeBSD.org> writes: > Author: hselasky > Date: Fri Feb 16 15:20:21 2018 > New Revision: 329371 > URL: https://svnweb.freebsd.org/changeset/base/329371 > > Log: > Allow the cmpxchg() macro in the LinuxKPI to work on pointers without > generating compiler warnings, -Wint-conversion . [...] To generate errors instead ? $ make clean all -C /usr/ports/graphics/drm-next-kmod [...] drm_lock.c:72:10: error: flexible array member 'u8' in a union is not allowed prev = cmpxchg(lock, old, new); ^ /usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:165:6: note: expanded from macro 'cmpxchg' u8 u8[]; \ ^ drm_lock.c:72:10: error: flexible array member 'u16' in a union is not allowed /usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:166:7: note: expanded from macro 'cmpxchg' u16 u16[]; \ ^ drm_lock.c:72:10: error: flexible array member 'u32' in a union is not allowed /usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:167:7: note: expanded from macro 'cmpxchg' u32 u32[]; \ ^ drm_lock.c:72:10: error: flexible array member 'u64' in a union is not allowed /usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:168:7: note: expanded from macro 'cmpxchg' u64 u64[]; \ ^
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