| Message ID | 20160815153546.GF22320@e104818-lin.cambridge.arm.com |
|---|---|
| State | New |
| Headers | show |
On 2016/8/15 23:35, Catalin Marinas wrote: > On Tue, May 24, 2016 at 03:35:44PM -0700, David Daney wrote: >> diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h >> index aee323b..4b13ecd 100644 >> --- a/arch/arm64/include/asm/acpi.h >> +++ b/arch/arm64/include/asm/acpi.h >> @@ -113,4 +113,12 @@ static inline const char *acpi_get_enable_method(int cpu) >> pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr); >> #endif >> >> +#ifdef CONFIG_ACPI_NUMA >> +int arm64_acpi_numa_init(void); >> +int acpi_numa_get_nid(unsigned int cpu, u64 hwid); >> +#else >> +static inline int arm64_acpi_numa_init(void) { return -ENOSYS; } >> +static inline int acpi_numa_get_nid(unsigned int cpu, u64 hwid) { return NUMA_NO_NODE; } >> +#endif /* CONFIG_ACPI_NUMA */ >> + >> #endif /*_ASM_ACPI_H*/ > > Apparently this doesn't always build since asm/acpi.h is conditionally > included from linux/acpi.h only when CONFIG_ACPI is enabled. Disabling > this option on arm64 leads to: > > arch/arm64/mm/numa.c: In function ‘arm64_numa_init’: > arch/arm64/mm/numa.c:395:24: error: ‘arm64_acpi_numa_init’ undeclared (first use in this function) > if (!acpi_disabled && !numa_init(arm64_acpi_numa_init)) > > I'll fix it in arch/arm64 by including asm/acpi.h directly as we do in a > couple of other files: > > ------------------8<------------------------------ > From 9a83bf400e0b4ef066b83eeaecdbca909b8491ea Mon Sep 17 00:00:00 2001 > From: Catalin Marinas <catalin.marinas@arm.com> > Date: Mon, 15 Aug 2016 16:33:10 +0100 > Subject: [PATCH] arm64: Fix NUMA build error when !CONFIG_ACPI > MIME-Version: 1.0 > Content-Type: text/plain; charset=UTF-8 > Content-Transfer-Encoding: 8bit > > Since asm/acpi.h is only included by linux/acpi.h when CONFIG_ACPI is > enabled, disabling the latter leads to the following build error on > arm64: > > arch/arm64/mm/numa.c: In function ‘arm64_numa_init’: > arch/arm64/mm/numa.c:395:24: error: ‘arm64_acpi_numa_init’ undeclared (first use in this function) > if (!acpi_disabled && !numa_init(arm64_acpi_numa_init)) > > This patch include the asm/acpi.h explicitly in arch/arm64/mm/numa.c for > the arm64_acpi_numa_init() definition. > > Fixes: d8b47fca8c23 ("arm64, ACPI, NUMA: NUMA support based on SRAT and SLIT") > Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> > --- > arch/arm64/mm/numa.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c > index c7fe3ec70774..5bb15eab6f00 100644 > --- a/arch/arm64/mm/numa.c > +++ b/arch/arm64/mm/numa.c > @@ -23,6 +23,8 @@ > #include <linux/module.h> > #include <linux/of.h> > > +#include <asm/acpi.h> > + > struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; > EXPORT_SYMBOL(node_data); > nodemask_t numa_nodes_parsed __initdata; Thanks a lot! Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Hanjun -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c index c7fe3ec70774..5bb15eab6f00 100644 --- a/arch/arm64/mm/numa.c +++ b/arch/arm64/mm/numa.c @@ -23,6 +23,8 @@ #include <linux/module.h> #include <linux/of.h> +#include <asm/acpi.h> + struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; EXPORT_SYMBOL(node_data); nodemask_t numa_nodes_parsed __initdata;