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Message-Id: <1464129345-18985-10-git-send-email-ddaney.cavm@gmail.com> Date: Tue, 24 May 2016 15:35:39 -0700 From: David Daney <ddaney.cavm@...il.com> To: Will Deacon <will.deacon@....com>, linux-arm-kernel@...ts.infradead.org, Mark Rutland <mark.rutland@....com>, Catalin Marinas <catalin.marinas@....com>, Tony Luck <tony.luck@...el.com>, Fenghua Yu <fenghua.yu@...el.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, "Rafael J. Wysocki" <rjw@...ysocki.net>, Len Brown <lenb@...nel.org>, Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com>, Grant Likely <grant.likely@...aro.org>, Robert Moore <robert.moore@...el.com>, Lv Zheng <lv.zheng@...el.com>, Hanjun Guo <hanjun.guo@...aro.org>, Marc Zyngier <Marc.Zyngier@....com>, linux-ia64@...r.kernel.org, linux-acpi@...r.kernel.org, devel@...ica.org Cc: linux-kernel@...r.kernel.org, Robert Richter <rrichter@...ium.com>, David Daney <david.daney@...ium.com> Subject: [PATCH v7 09/15] acpi, numa: move bad_srat() and srat_disabled() to drivers/acpi/numa.c From: David Daney <david.daney@...ium.com> bad_srat() and srat_disabled() are shared by x86 and follow-on arm64 patches. Move them to drivers/acpi/numa.c in preparation for arm64 support. Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org> Signed-off-by: Robert Richter <rrichter@...ium.com> [david.daney@...ium.com moved definitions to drivers/acpi/numa.c] Signed-off-by: David Daney <david.daney@...ium.com> --- arch/x86/include/asm/acpi.h | 1 - arch/x86/mm/numa.c | 2 +- arch/x86/mm/srat.c | 13 ------------- drivers/acpi/numa.c | 12 ++++++++++++ include/acpi/acpi_numa.h | 4 ++++ 5 files changed, 17 insertions(+), 15 deletions(-) diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 94c18eb..65f1e95 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -145,7 +145,6 @@ static inline void disable_acpi(void) { } #define ARCH_HAS_POWER_INIT 1 #ifdef CONFIG_ACPI_NUMA -extern int acpi_numa; extern int x86_acpi_numa_init(void); #endif /* CONFIG_ACPI_NUMA */ diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 9c086c5..968ac02 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -1,4 +1,5 @@ /* Common code for 32 and 64-bit NUMA */ +#include <linux/acpi.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/string.h> @@ -15,7 +16,6 @@ #include <asm/e820.h> #include <asm/proto.h> #include <asm/dma.h> -#include <asm/acpi.h> #include <asm/amd_nb.h> #include "numa_internal.h" diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index 9e2a833..4217071f 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -24,19 +24,6 @@ #include <asm/apic.h> #include <asm/uv/uv.h> -int acpi_numa __initdata; - -static __init void bad_srat(void) -{ - printk(KERN_ERR "SRAT: SRAT not used.\n"); - acpi_numa = -1; -} - -static __init inline int srat_disabled(void) -{ - return acpi_numa < 0; -} - /* Callback for Proximity Domain -> x2APIC mapping */ void __init acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa) diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 7e0649d..af0c8d5 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -40,6 +40,7 @@ static int node_to_pxm_map[MAX_NUMNODES] = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; unsigned char acpi_srat_revision __initdata; +int acpi_numa __initdata; int pxm_to_node(int pxm) { @@ -197,6 +198,17 @@ static int __init slit_valid(struct acpi_table_slit *slit) return 1; } +void __init bad_srat(void) +{ + pr_err("SRAT: SRAT not used.\n"); + acpi_numa = -1; +} + +int __init srat_disabled(void) +{ + return acpi_numa < 0; +} + #if defined(CONFIG_X86) || defined(CONFIG_ARM64) /* * Callback for SLIT parsing. pxm_to_node() returns NUMA_NO_NODE for diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h index 94a37cd..d4b7294 100644 --- a/include/acpi/acpi_numa.h +++ b/include/acpi/acpi_numa.h @@ -15,6 +15,10 @@ extern int pxm_to_node(int); extern int node_to_pxm(int); extern int acpi_map_pxm_to_node(int); extern unsigned char acpi_srat_revision; +extern int acpi_numa __initdata; + +extern void bad_srat(void); +extern int srat_disabled(void); #endif /* CONFIG_ACPI_NUMA */ #endif /* __ACP_NUMA_H */ -- 1.7.11.7
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