diff mbox series

[v2,15/38] x86/apic: Use u32 for phys_pkg_id()

Message ID 20230728120930.507111034@linutronix.de (mailing list archive)
State Handled Elsewhere
Headers show
Series x86/cpu: Rework the topology evaluation | expand

Commit Message

Thomas Gleixner July 28, 2023, 12:13 p.m. UTC
APIC IDs are used with random data types u16, u32, int, unsigned int,
unsigned long.

Make it all consistently use u32 because that reflects the hardware
register width even if that callback going to be removed soonish.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/include/asm/apic.h          |    2 +-
 arch/x86/kernel/apic/apic_flat_64.c  |    2 +-
 arch/x86/kernel/apic/apic_noop.c     |    2 +-
 arch/x86/kernel/apic/apic_numachip.c |    2 +-
 arch/x86/kernel/apic/bigsmp_32.c     |    2 +-
 arch/x86/kernel/apic/local.h         |    2 +-
 arch/x86/kernel/apic/probe_32.c      |    2 +-
 arch/x86/kernel/apic/x2apic_phys.c   |    2 +-
 arch/x86/kernel/apic/x2apic_uv_x.c   |    2 +-
 arch/x86/kernel/vsmp_64.c            |    2 +-
 arch/x86/xen/apic.c                  |    2 +-
 11 files changed, 11 insertions(+), 11 deletions(-)

Comments

Steve Wahl Aug. 8, 2023, 8:14 p.m. UTC | #1
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>

On Fri, Jul 28, 2023 at 02:13:01PM +0200, Thomas Gleixner wrote:
> APIC IDs are used with random data types u16, u32, int, unsigned int,
> unsigned long.
> 
> Make it all consistently use u32 because that reflects the hardware
> register width even if that callback going to be removed soonish.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---
>  arch/x86/include/asm/apic.h          |    2 +-
>  arch/x86/kernel/apic/apic_flat_64.c  |    2 +-
>  arch/x86/kernel/apic/apic_noop.c     |    2 +-
>  arch/x86/kernel/apic/apic_numachip.c |    2 +-
>  arch/x86/kernel/apic/bigsmp_32.c     |    2 +-
>  arch/x86/kernel/apic/local.h         |    2 +-
>  arch/x86/kernel/apic/probe_32.c      |    2 +-
>  arch/x86/kernel/apic/x2apic_phys.c   |    2 +-
>  arch/x86/kernel/apic/x2apic_uv_x.c   |    2 +-
>  arch/x86/kernel/vsmp_64.c            |    2 +-
>  arch/x86/xen/apic.c                  |    2 +-
>  11 files changed, 11 insertions(+), 11 deletions(-)
> 
> --- a/arch/x86/include/asm/apic.h
> +++ b/arch/x86/include/asm/apic.h
> @@ -296,7 +296,7 @@ struct apic {
>  	void	(*init_apic_ldr)(void);
>  	void	(*ioapic_phys_id_map)(physid_mask_t *phys_map, physid_mask_t *retmap);
>  	u32	(*cpu_present_to_apicid)(int mps_cpu);
> -	int	(*phys_pkg_id)(int cpuid_apic, int index_msb);
> +	u32	(*phys_pkg_id)(u32 cpuid_apic, int index_msb);
>  
>  	u32	(*get_apic_id)(unsigned long x);
>  	u32	(*set_apic_id)(unsigned int id);
> --- a/arch/x86/kernel/apic/apic_flat_64.c
> +++ b/arch/x86/kernel/apic/apic_flat_64.c
> @@ -66,7 +66,7 @@ static u32 set_apic_id(unsigned int id)
>  	return (id & 0xFF) << 24;
>  }
>  
> -static int flat_phys_pkg_id(int initial_apic_id, int index_msb)
> +static u32 flat_phys_pkg_id(u32 initial_apic_id, int index_msb)
>  {
>  	return initial_apic_id >> index_msb;
>  }
> --- a/arch/x86/kernel/apic/apic_noop.c
> +++ b/arch/x86/kernel/apic/apic_noop.c
> @@ -29,7 +29,7 @@ static void noop_send_IPI_self(int vecto
>  static void noop_apic_icr_write(u32 low, u32 id) { }
>  static int noop_wakeup_secondary_cpu(int apicid, unsigned long start_eip) { return -1; }
>  static u64 noop_apic_icr_read(void) { return 0; }
> -static int noop_phys_pkg_id(int cpuid_apic, int index_msb) { return 0; }
> +static u32 noop_phys_pkg_id(u32 cpuid_apic, int index_msb) { return 0; }
>  static unsigned int noop_get_apic_id(unsigned long x) { return 0; }
>  static void noop_apic_eoi(void) { }
>  
> --- a/arch/x86/kernel/apic/apic_numachip.c
> +++ b/arch/x86/kernel/apic/apic_numachip.c
> @@ -56,7 +56,7 @@ static u32 numachip2_set_apic_id(unsigne
>  	return id << 24;
>  }
>  
> -static int numachip_phys_pkg_id(int initial_apic_id, int index_msb)
> +static u32 numachip_phys_pkg_id(u32 initial_apic_id, int index_msb)
>  {
>  	return initial_apic_id >> index_msb;
>  }
> --- a/arch/x86/kernel/apic/bigsmp_32.c
> +++ b/arch/x86/kernel/apic/bigsmp_32.c
> @@ -29,7 +29,7 @@ static void bigsmp_ioapic_phys_id_map(ph
>  	physids_promote(0xFFL, retmap);
>  }
>  
> -static int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
> +static u32 bigsmp_phys_pkg_id(u32 cpuid_apic, int index_msb)
>  {
>  	return cpuid_apic >> index_msb;
>  }
> --- a/arch/x86/kernel/apic/local.h
> +++ b/arch/x86/kernel/apic/local.h
> @@ -17,7 +17,7 @@
>  void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
>  unsigned int x2apic_get_apic_id(unsigned long id);
>  u32 x2apic_set_apic_id(unsigned int id);
> -int x2apic_phys_pkg_id(int initial_apicid, int index_msb);
> +u32 x2apic_phys_pkg_id(u32 initial_apicid, int index_msb);
>  
>  void x2apic_send_IPI_all(int vector);
>  void x2apic_send_IPI_allbutself(int vector);
> --- a/arch/x86/kernel/apic/probe_32.c
> +++ b/arch/x86/kernel/apic/probe_32.c
> @@ -18,7 +18,7 @@
>  
>  #include "local.h"
>  
> -static int default_phys_pkg_id(int cpuid_apic, int index_msb)
> +static u32 default_phys_pkg_id(u32 cpuid_apic, int index_msb)
>  {
>  	return cpuid_apic >> index_msb;
>  }
> --- a/arch/x86/kernel/apic/x2apic_phys.c
> +++ b/arch/x86/kernel/apic/x2apic_phys.c
> @@ -134,7 +134,7 @@ u32 x2apic_set_apic_id(unsigned int id)
>  	return id;
>  }
>  
> -int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
> +u32 x2apic_phys_pkg_id(u32 initial_apicid, int index_msb)
>  {
>  	return initial_apicid >> index_msb;
>  }
> --- a/arch/x86/kernel/apic/x2apic_uv_x.c
> +++ b/arch/x86/kernel/apic/x2apic_uv_x.c
> @@ -790,7 +790,7 @@ static unsigned int uv_read_apic_id(void
>  	return x2apic_get_apic_id(apic_read(APIC_ID));
>  }
>  
> -static int uv_phys_pkg_id(int initial_apicid, int index_msb)
> +static u32 uv_phys_pkg_id(u32 initial_apicid, int index_msb)
>  {
>  	return uv_read_apic_id() >> index_msb;
>  }
> --- a/arch/x86/kernel/vsmp_64.c
> +++ b/arch/x86/kernel/vsmp_64.c
> @@ -127,7 +127,7 @@ static void __init vsmp_cap_cpus(void)
>  #endif
>  }
>  
> -static int apicid_phys_pkg_id(int initial_apic_id, int index_msb)
> +static u32 apicid_phys_pkg_id(u32 initial_apic_id, int index_msb)
>  {
>  	return read_apic_id() >> index_msb;
>  }
> --- a/arch/x86/xen/apic.c
> +++ b/arch/x86/xen/apic.c
> @@ -110,7 +110,7 @@ static int xen_madt_oem_check(char *oem_
>  	return xen_pv_domain();
>  }
>  
> -static int xen_phys_pkg_id(int initial_apic_id, int index_msb)
> +static u32 xen_phys_pkg_id(u32 initial_apic_id, int index_msb)
>  {
>  	return initial_apic_id >> index_msb;
>  }
>
diff mbox series

Patch

--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -296,7 +296,7 @@  struct apic {
 	void	(*init_apic_ldr)(void);
 	void	(*ioapic_phys_id_map)(physid_mask_t *phys_map, physid_mask_t *retmap);
 	u32	(*cpu_present_to_apicid)(int mps_cpu);
-	int	(*phys_pkg_id)(int cpuid_apic, int index_msb);
+	u32	(*phys_pkg_id)(u32 cpuid_apic, int index_msb);
 
 	u32	(*get_apic_id)(unsigned long x);
 	u32	(*set_apic_id)(unsigned int id);
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -66,7 +66,7 @@  static u32 set_apic_id(unsigned int id)
 	return (id & 0xFF) << 24;
 }
 
-static int flat_phys_pkg_id(int initial_apic_id, int index_msb)
+static u32 flat_phys_pkg_id(u32 initial_apic_id, int index_msb)
 {
 	return initial_apic_id >> index_msb;
 }
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -29,7 +29,7 @@  static void noop_send_IPI_self(int vecto
 static void noop_apic_icr_write(u32 low, u32 id) { }
 static int noop_wakeup_secondary_cpu(int apicid, unsigned long start_eip) { return -1; }
 static u64 noop_apic_icr_read(void) { return 0; }
-static int noop_phys_pkg_id(int cpuid_apic, int index_msb) { return 0; }
+static u32 noop_phys_pkg_id(u32 cpuid_apic, int index_msb) { return 0; }
 static unsigned int noop_get_apic_id(unsigned long x) { return 0; }
 static void noop_apic_eoi(void) { }
 
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -56,7 +56,7 @@  static u32 numachip2_set_apic_id(unsigne
 	return id << 24;
 }
 
-static int numachip_phys_pkg_id(int initial_apic_id, int index_msb)
+static u32 numachip_phys_pkg_id(u32 initial_apic_id, int index_msb)
 {
 	return initial_apic_id >> index_msb;
 }
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -29,7 +29,7 @@  static void bigsmp_ioapic_phys_id_map(ph
 	physids_promote(0xFFL, retmap);
 }
 
-static int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
+static u32 bigsmp_phys_pkg_id(u32 cpuid_apic, int index_msb)
 {
 	return cpuid_apic >> index_msb;
 }
--- a/arch/x86/kernel/apic/local.h
+++ b/arch/x86/kernel/apic/local.h
@@ -17,7 +17,7 @@ 
 void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
 unsigned int x2apic_get_apic_id(unsigned long id);
 u32 x2apic_set_apic_id(unsigned int id);
-int x2apic_phys_pkg_id(int initial_apicid, int index_msb);
+u32 x2apic_phys_pkg_id(u32 initial_apicid, int index_msb);
 
 void x2apic_send_IPI_all(int vector);
 void x2apic_send_IPI_allbutself(int vector);
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -18,7 +18,7 @@ 
 
 #include "local.h"
 
-static int default_phys_pkg_id(int cpuid_apic, int index_msb)
+static u32 default_phys_pkg_id(u32 cpuid_apic, int index_msb)
 {
 	return cpuid_apic >> index_msb;
 }
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -134,7 +134,7 @@  u32 x2apic_set_apic_id(unsigned int id)
 	return id;
 }
 
-int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
+u32 x2apic_phys_pkg_id(u32 initial_apicid, int index_msb)
 {
 	return initial_apicid >> index_msb;
 }
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -790,7 +790,7 @@  static unsigned int uv_read_apic_id(void
 	return x2apic_get_apic_id(apic_read(APIC_ID));
 }
 
-static int uv_phys_pkg_id(int initial_apicid, int index_msb)
+static u32 uv_phys_pkg_id(u32 initial_apicid, int index_msb)
 {
 	return uv_read_apic_id() >> index_msb;
 }
--- a/arch/x86/kernel/vsmp_64.c
+++ b/arch/x86/kernel/vsmp_64.c
@@ -127,7 +127,7 @@  static void __init vsmp_cap_cpus(void)
 #endif
 }
 
-static int apicid_phys_pkg_id(int initial_apic_id, int index_msb)
+static u32 apicid_phys_pkg_id(u32 initial_apic_id, int index_msb)
 {
 	return read_apic_id() >> index_msb;
 }
--- a/arch/x86/xen/apic.c
+++ b/arch/x86/xen/apic.c
@@ -110,7 +110,7 @@  static int xen_madt_oem_check(char *oem_
 	return xen_pv_domain();
 }
 
-static int xen_phys_pkg_id(int initial_apic_id, int index_msb)
+static u32 xen_phys_pkg_id(u32 initial_apic_id, int index_msb)
 {
 	return initial_apic_id >> index_msb;
 }