From: Will Deacon <will.deacon@arm.com> To: Anton Blanchard <anton@samba.org> Cc: "benh@kernel.crashing.org" <benh@kernel.crashing.org>, "paulus@samba.org" <paulus@samba.org>, "mpe@ellerman.id.au" <mpe@ellerman.id.au>, "mmarek@suse.cz" <mmarek@suse.cz>, "akpm@linux-foundation.org" <akpm@linux-foundation.org>, "jbaron@akamai.com" <jbaron@akamai.com>, "peterz@infradead.org" <peterz@infradead.org>, "liuj97@gmail.com" <liuj97@gmail.com>, "mingo@kernel.org" <mingo@kernel.org>, "mgorman@suse.de" <mgorman@suse.de>, "linux@arm.linux.org.uk" <linux@arm.linux.org.uk>, Catalin Marinas <Catalin.Marinas@arm.com>, "ralf@linux-mips.org" <ralf@linux-mips.org>, "schwidefsky@de.ibm.com" <schwidefsky@de.ibm.com>, "heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>, "davem@davemloft.net" <davem@davemloft.net>, "tglx@linutronix.de" <tglx@linutronix.de>, "mingo@redhat.com" <mingo@redhat.com>, "hpa@zytor.com" <hpa@zytor.com>, "rostedt@goodmis.org" <rostedt@goodmis.org>, "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>, "linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 1/3] jump_label: Allow asm/jump_label.h to be included in assembly Date: Wed, 7 Jan 2015 11:30:05 +0000 [thread overview] Message-ID: <20150107113004.GJ7485@arm.com> (raw) In-Reply-To: <1420626958-31254-1-git-send-email-anton@samba.org> On Wed, Jan 07, 2015 at 10:35:56AM +0000, Anton Blanchard wrote: > Wrap asm/jump_label.h for all archs with #ifndef __ASSEMBLY__. > Since these are kernel only headers, we don't need #ifdef __KERNEL__ > so can simplify things a bit. > > If an architecture wants to use jump labels in assembly, it > will still need to define a macro to create the __jump_table > entries (see ARCH_STATIC_BRANCH in the powerpc asm/jump_label.h > for an example). > > Signed-off-by: Anton Blanchard <anton@samba.org> > --- > arch/arm/include/asm/jump_label.h | 5 ++--- > arch/arm64/include/asm/jump_label.h | 8 ++++---- > arch/mips/include/asm/jump_label.h | 7 +++---- > arch/s390/include/asm/jump_label.h | 3 +++ > arch/sparc/include/asm/jump_label.h | 5 ++--- > arch/x86/include/asm/jump_label.h | 5 ++--- > 6 files changed, 16 insertions(+), 17 deletions(-) [...] > diff --git a/arch/arm64/include/asm/jump_label.h b/arch/arm64/include/asm/jump_label.h > index 076a1c7..c0e5165 100644 > --- a/arch/arm64/include/asm/jump_label.h > +++ b/arch/arm64/include/asm/jump_label.h > @@ -18,11 +18,12 @@ > */ > #ifndef __ASM_JUMP_LABEL_H > #define __ASM_JUMP_LABEL_H > + > +#ifndef __ASSEMBLY__ > + > #include <linux/types.h> > #include <asm/insn.h> > > -#ifdef __KERNEL__ > - > #define JUMP_LABEL_NOP_SIZE AARCH64_INSN_SIZE > > static __always_inline bool arch_static_branch(struct static_key *key) > @@ -39,8 +40,6 @@ l_yes: > return true; > } > > -#endif /* __KERNEL__ */ > - > typedef u64 jump_label_t; > > struct jump_entry { > @@ -49,4 +48,5 @@ struct jump_entry { > jump_label_t key; > }; > > +#endif /* __ASSEMBLY__ */ > #endif /* __ASM_JUMP_LABEL_H */ The arm64 bit looks fine to me: Acked-by: Will Deacon <will.deacon@arm.com> Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com> To: Anton Blanchard <anton@samba.org> Cc: "peterz@infradead.org" <peterz@infradead.org>, "heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>, "paulus@samba.org" <paulus@samba.org>, "hpa@zytor.com" <hpa@zytor.com>, "mingo@kernel.org" <mingo@kernel.org>, "linux@arm.linux.org.uk" <linux@arm.linux.org.uk>, "mingo@redhat.com" <mingo@redhat.com>, "mgorman@suse.de" <mgorman@suse.de>, Catalin Marinas <Catalin.Marinas@arm.com>, "liuj97@gmail.com" <liuj97@gmail.com>, "linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>, "rostedt@goodmis.org" <rostedt@goodmis.org>, "jbaron@akamai.com" <jbaron@akamai.com>, "tglx@linutronix.de" <tglx@linutronix.de>, "mmarek@suse.cz" <mmarek@suse.cz>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "ralf@linux-mips.org" <ralf@linux-mips.org>, "schwidefsky@de.ibm.com" <schwidefsky@de.ibm.com>, "akpm@linux-foundation.org" <akpm@linux-foundation.org>, "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>, "davem@davemloft.net" <davem@davemloft.net> Subject: Re: [PATCH 1/3] jump_label: Allow asm/jump_label.h to be included in assembly Date: Wed, 7 Jan 2015 11:30:05 +0000 [thread overview] Message-ID: <20150107113004.GJ7485@arm.com> (raw) In-Reply-To: <1420626958-31254-1-git-send-email-anton@samba.org> On Wed, Jan 07, 2015 at 10:35:56AM +0000, Anton Blanchard wrote: > Wrap asm/jump_label.h for all archs with #ifndef __ASSEMBLY__. > Since these are kernel only headers, we don't need #ifdef __KERNEL__ > so can simplify things a bit. > > If an architecture wants to use jump labels in assembly, it > will still need to define a macro to create the __jump_table > entries (see ARCH_STATIC_BRANCH in the powerpc asm/jump_label.h > for an example). > > Signed-off-by: Anton Blanchard <anton@samba.org> > --- > arch/arm/include/asm/jump_label.h | 5 ++--- > arch/arm64/include/asm/jump_label.h | 8 ++++---- > arch/mips/include/asm/jump_label.h | 7 +++---- > arch/s390/include/asm/jump_label.h | 3 +++ > arch/sparc/include/asm/jump_label.h | 5 ++--- > arch/x86/include/asm/jump_label.h | 5 ++--- > 6 files changed, 16 insertions(+), 17 deletions(-) [...] > diff --git a/arch/arm64/include/asm/jump_label.h b/arch/arm64/include/asm/jump_label.h > index 076a1c7..c0e5165 100644 > --- a/arch/arm64/include/asm/jump_label.h > +++ b/arch/arm64/include/asm/jump_label.h > @@ -18,11 +18,12 @@ > */ > #ifndef __ASM_JUMP_LABEL_H > #define __ASM_JUMP_LABEL_H > + > +#ifndef __ASSEMBLY__ > + > #include <linux/types.h> > #include <asm/insn.h> > > -#ifdef __KERNEL__ > - > #define JUMP_LABEL_NOP_SIZE AARCH64_INSN_SIZE > > static __always_inline bool arch_static_branch(struct static_key *key) > @@ -39,8 +40,6 @@ l_yes: > return true; > } > > -#endif /* __KERNEL__ */ > - > typedef u64 jump_label_t; > > struct jump_entry { > @@ -49,4 +48,5 @@ struct jump_entry { > jump_label_t key; > }; > > +#endif /* __ASSEMBLY__ */ > #endif /* __ASM_JUMP_LABEL_H */ The arm64 bit looks fine to me: Acked-by: Will Deacon <will.deacon@arm.com> Will
next prev parent reply other threads:[~2015-01-07 11:30 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-07 10:35 [PATCH 1/3] jump_label: Allow asm/jump_label.h to be included in assembly Anton Blanchard 2015-01-07 10:35 ` Anton Blanchard 2015-01-07 10:35 ` [PATCH 2/3] jump_label: Allow jump labels to be used " Anton Blanchard 2015-01-07 10:35 ` Anton Blanchard 2015-01-07 10:35 ` [PATCH 3/3] powerpc: Include linux/jump_label.h to get HAVE_JUMP_LABEL define Anton Blanchard 2015-01-07 10:35 ` Anton Blanchard 2015-01-07 15:09 ` Jason Baron 2015-01-07 15:09 ` Jason Baron 2015-01-21 3:55 ` Anton Blanchard 2015-01-21 3:55 ` Anton Blanchard 2015-01-07 11:30 ` Will Deacon [this message] 2015-01-07 11:30 ` [PATCH 1/3] jump_label: Allow asm/jump_label.h to be included in assembly Will Deacon 2015-04-09 3:50 Anton Blanchard 2015-04-09 3:51 Anton Blanchard 2015-04-09 3:51 ` Anton Blanchard 2015-04-09 7:08 ` Peter Zijlstra 2015-04-09 7:08 ` Peter Zijlstra 2015-04-09 14:00 ` Steven Rostedt 2015-04-09 14:00 ` Steven Rostedt
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