| Message ID | 20230728120930.562193563@linutronix.de (mailing list archive) |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | x86/cpu: Rework the topology evaluation | expand |
Reviewed-by: Steve Wahl <steve.wahl@hpe.com> On Fri, Jul 28, 2023 at 02:13:02PM +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. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > --- > arch/x86/include/asm/apic.h | 14 ++------------ > arch/x86/kernel/apic/apic_flat_64.c | 4 ++-- > arch/x86/kernel/apic/apic_noop.c | 2 +- > arch/x86/kernel/apic/apic_numachip.c | 8 ++++---- > arch/x86/kernel/apic/bigsmp_32.c | 2 +- > arch/x86/kernel/apic/local.h | 4 ++-- > arch/x86/kernel/apic/probe_32.c | 10 ++++++++++ > arch/x86/kernel/apic/x2apic_phys.c | 4 ++-- > arch/x86/kernel/apic/x2apic_uv_x.c | 2 +- > arch/x86/xen/apic.c | 4 ++-- > 10 files changed, 27 insertions(+), 27 deletions(-) > > --- a/arch/x86/include/asm/apic.h > +++ b/arch/x86/include/asm/apic.h > @@ -298,8 +298,8 @@ struct apic { > u32 (*cpu_present_to_apicid)(int mps_cpu); > u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb); > > - u32 (*get_apic_id)(unsigned long x); > - u32 (*set_apic_id)(unsigned int id); > + u32 (*get_apic_id)(u32 id); > + u32 (*set_apic_id)(u32 apicid); > > /* wakeup_secondary_cpu */ > int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip); > @@ -493,16 +493,6 @@ static inline bool lapic_vector_set_in_i > return !!(irr & (1U << (vector % 32))); > } > > -static inline unsigned default_get_apic_id(unsigned long x) > -{ > - unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); > - > - if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID)) > - return (x >> 24) & 0xFF; > - else > - return (x >> 24) & 0x0F; > -} > - > /* > * Warm reset vector position: > */ > --- a/arch/x86/kernel/apic/apic_flat_64.c > +++ b/arch/x86/kernel/apic/apic_flat_64.c > @@ -56,12 +56,12 @@ flat_send_IPI_mask_allbutself(const stru > _flat_send_IPI_mask(mask, vector); > } > > -static unsigned int flat_get_apic_id(unsigned long x) > +static u32 flat_get_apic_id(u32 x) > { > return (x >> 24) & 0xFF; > } > > -static u32 set_apic_id(unsigned int id) > +static u32 set_apic_id(u32 id) > { > return (id & 0xFF) << 24; > } > --- a/arch/x86/kernel/apic/apic_noop.c > +++ b/arch/x86/kernel/apic/apic_noop.c > @@ -30,7 +30,7 @@ static void noop_apic_icr_write(u32 low, > static int noop_wakeup_secondary_cpu(int apicid, unsigned long start_eip) { return -1; } > static u64 noop_apic_icr_read(void) { 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 u32 noop_get_apic_id(u32 apicid) { return 0; } > static void noop_apic_eoi(void) { } > > static u32 noop_apic_read(u32 reg) > --- a/arch/x86/kernel/apic/apic_numachip.c > +++ b/arch/x86/kernel/apic/apic_numachip.c > @@ -25,7 +25,7 @@ static const struct apic apic_numachip1; > static const struct apic apic_numachip2; > static void (*numachip_apic_icr_write)(int apicid, unsigned int val) __read_mostly; > > -static unsigned int numachip1_get_apic_id(unsigned long x) > +static u32 numachip1_get_apic_id(u32 x) > { > unsigned long value; > unsigned int id = (x >> 24) & 0xff; > @@ -38,12 +38,12 @@ static unsigned int numachip1_get_apic_i > return id; > } > > -static u32 numachip1_set_apic_id(unsigned int id) > +static u32 numachip1_set_apic_id(u32 id) > { > return (id & 0xff) << 24; > } > > -static unsigned int numachip2_get_apic_id(unsigned long x) > +static u32 numachip2_get_apic_id(u32 x) > { > u64 mcfg; > > @@ -51,7 +51,7 @@ static unsigned int numachip2_get_apic_i > return ((mcfg >> (28 - 8)) & 0xfff00) | (x >> 24); > } > > -static u32 numachip2_set_apic_id(unsigned int id) > +static u32 numachip2_set_apic_id(u32 id) > { > return id << 24; > } > --- a/arch/x86/kernel/apic/bigsmp_32.c > +++ b/arch/x86/kernel/apic/bigsmp_32.c > @@ -13,7 +13,7 @@ > > #include "local.h" > > -static unsigned bigsmp_get_apic_id(unsigned long x) > +static u32 bigsmp_get_apic_id(u32 x) > { > return (x >> 24) & 0xFF; > } > --- a/arch/x86/kernel/apic/local.h > +++ b/arch/x86/kernel/apic/local.h > @@ -15,8 +15,8 @@ > > /* X2APIC */ > 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); > +u32 x2apic_get_apic_id(u32 id); > +u32 x2apic_set_apic_id(u32 id); > u32 x2apic_phys_pkg_id(u32 initial_apicid, int index_msb); > > void x2apic_send_IPI_all(int vector); > --- a/arch/x86/kernel/apic/probe_32.c > +++ b/arch/x86/kernel/apic/probe_32.c > @@ -23,6 +23,16 @@ static u32 default_phys_pkg_id(u32 cpuid > return cpuid_apic >> index_msb; > } > > +static u32 default_get_apic_id(u32 x) > +{ > + unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); > + > + if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID)) > + return (x >> 24) & 0xFF; > + else > + return (x >> 24) & 0x0F; > +} > + > /* should be called last. */ > static int probe_default(void) > { > --- a/arch/x86/kernel/apic/x2apic_phys.c > +++ b/arch/x86/kernel/apic/x2apic_phys.c > @@ -124,12 +124,12 @@ static int x2apic_phys_probe(void) > return apic == &apic_x2apic_phys; > } > > -unsigned int x2apic_get_apic_id(unsigned long id) > +u32 x2apic_get_apic_id(u32 id) > { > return id; > } > > -u32 x2apic_set_apic_id(unsigned int id) > +u32 x2apic_set_apic_id(u32 id) > { > return id; > } > --- a/arch/x86/kernel/apic/x2apic_uv_x.c > +++ b/arch/x86/kernel/apic/x2apic_uv_x.c > @@ -780,7 +780,7 @@ static void uv_send_IPI_all(int vector) > uv_send_IPI_mask(cpu_online_mask, vector); > } > > -static u32 set_apic_id(unsigned int id) > +static u32 set_apic_id(u32 id) > { > return id; > } > --- a/arch/x86/xen/apic.c > +++ b/arch/x86/xen/apic.c > @@ -33,13 +33,13 @@ static unsigned int xen_io_apic_read(uns > return 0xfd; > } > > -static u32 xen_set_apic_id(unsigned int x) > +static u32 xen_set_apic_id(u32 x) > { > WARN_ON(1); > return x; > } > > -static unsigned int xen_get_apic_id(unsigned long x) > +static u32 xen_get_apic_id(u32 x) > { > return ((x)>>24) & 0xFFu; > } >
--- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -298,8 +298,8 @@ struct apic { u32 (*cpu_present_to_apicid)(int mps_cpu); u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb); - u32 (*get_apic_id)(unsigned long x); - u32 (*set_apic_id)(unsigned int id); + u32 (*get_apic_id)(u32 id); + u32 (*set_apic_id)(u32 apicid); /* wakeup_secondary_cpu */ int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip); @@ -493,16 +493,6 @@ static inline bool lapic_vector_set_in_i return !!(irr & (1U << (vector % 32))); } -static inline unsigned default_get_apic_id(unsigned long x) -{ - unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); - - if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID)) - return (x >> 24) & 0xFF; - else - return (x >> 24) & 0x0F; -} - /* * Warm reset vector position: */ --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -56,12 +56,12 @@ flat_send_IPI_mask_allbutself(const stru _flat_send_IPI_mask(mask, vector); } -static unsigned int flat_get_apic_id(unsigned long x) +static u32 flat_get_apic_id(u32 x) { return (x >> 24) & 0xFF; } -static u32 set_apic_id(unsigned int id) +static u32 set_apic_id(u32 id) { return (id & 0xFF) << 24; } --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -30,7 +30,7 @@ static void noop_apic_icr_write(u32 low, static int noop_wakeup_secondary_cpu(int apicid, unsigned long start_eip) { return -1; } static u64 noop_apic_icr_read(void) { 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 u32 noop_get_apic_id(u32 apicid) { return 0; } static void noop_apic_eoi(void) { } static u32 noop_apic_read(u32 reg) --- a/arch/x86/kernel/apic/apic_numachip.c +++ b/arch/x86/kernel/apic/apic_numachip.c @@ -25,7 +25,7 @@ static const struct apic apic_numachip1; static const struct apic apic_numachip2; static void (*numachip_apic_icr_write)(int apicid, unsigned int val) __read_mostly; -static unsigned int numachip1_get_apic_id(unsigned long x) +static u32 numachip1_get_apic_id(u32 x) { unsigned long value; unsigned int id = (x >> 24) & 0xff; @@ -38,12 +38,12 @@ static unsigned int numachip1_get_apic_i return id; } -static u32 numachip1_set_apic_id(unsigned int id) +static u32 numachip1_set_apic_id(u32 id) { return (id & 0xff) << 24; } -static unsigned int numachip2_get_apic_id(unsigned long x) +static u32 numachip2_get_apic_id(u32 x) { u64 mcfg; @@ -51,7 +51,7 @@ static unsigned int numachip2_get_apic_i return ((mcfg >> (28 - 8)) & 0xfff00) | (x >> 24); } -static u32 numachip2_set_apic_id(unsigned int id) +static u32 numachip2_set_apic_id(u32 id) { return id << 24; } --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -13,7 +13,7 @@ #include "local.h" -static unsigned bigsmp_get_apic_id(unsigned long x) +static u32 bigsmp_get_apic_id(u32 x) { return (x >> 24) & 0xFF; } --- a/arch/x86/kernel/apic/local.h +++ b/arch/x86/kernel/apic/local.h @@ -15,8 +15,8 @@ /* X2APIC */ 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); +u32 x2apic_get_apic_id(u32 id); +u32 x2apic_set_apic_id(u32 id); u32 x2apic_phys_pkg_id(u32 initial_apicid, int index_msb); void x2apic_send_IPI_all(int vector); --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -23,6 +23,16 @@ static u32 default_phys_pkg_id(u32 cpuid return cpuid_apic >> index_msb; } +static u32 default_get_apic_id(u32 x) +{ + unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR)); + + if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID)) + return (x >> 24) & 0xFF; + else + return (x >> 24) & 0x0F; +} + /* should be called last. */ static int probe_default(void) { --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -124,12 +124,12 @@ static int x2apic_phys_probe(void) return apic == &apic_x2apic_phys; } -unsigned int x2apic_get_apic_id(unsigned long id) +u32 x2apic_get_apic_id(u32 id) { return id; } -u32 x2apic_set_apic_id(unsigned int id) +u32 x2apic_set_apic_id(u32 id) { return id; } --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -780,7 +780,7 @@ static void uv_send_IPI_all(int vector) uv_send_IPI_mask(cpu_online_mask, vector); } -static u32 set_apic_id(unsigned int id) +static u32 set_apic_id(u32 id) { return id; } --- a/arch/x86/xen/apic.c +++ b/arch/x86/xen/apic.c @@ -33,13 +33,13 @@ static unsigned int xen_io_apic_read(uns return 0xfd; } -static u32 xen_set_apic_id(unsigned int x) +static u32 xen_set_apic_id(u32 x) { WARN_ON(1); return x; } -static unsigned int xen_get_apic_id(unsigned long x) +static u32 xen_get_apic_id(u32 x) { return ((x)>>24) & 0xFFu; }
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. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- arch/x86/include/asm/apic.h | 14 ++------------ arch/x86/kernel/apic/apic_flat_64.c | 4 ++-- arch/x86/kernel/apic/apic_noop.c | 2 +- arch/x86/kernel/apic/apic_numachip.c | 8 ++++---- arch/x86/kernel/apic/bigsmp_32.c | 2 +- arch/x86/kernel/apic/local.h | 4 ++-- arch/x86/kernel/apic/probe_32.c | 10 ++++++++++ arch/x86/kernel/apic/x2apic_phys.c | 4 ++-- arch/x86/kernel/apic/x2apic_uv_x.c | 2 +- arch/x86/xen/apic.c | 4 ++-- 10 files changed, 27 insertions(+), 27 deletions(-)