diff options
| -rw-r--r-- | arch/i386/defconfig | 14 | ||||
| -rw-r--r-- | arch/i386/kernel/mpparse.c | 8 | ||||
| -rw-r--r-- | arch/i386/kernel/setup.c | 4 | ||||
| -rw-r--r-- | arch/i386/kernel/smpboot.c | 10 | ||||
| -rw-r--r-- | arch/i386/mach-generic/bigsmp.c | 2 | ||||
| -rw-r--r-- | arch/i386/mach-generic/default.c | 2 | ||||
| -rw-r--r-- | arch/i386/mach-generic/es7000.c | 2 | ||||
| -rw-r--r-- | arch/i386/mach-generic/summit.c | 2 | ||||
| -rw-r--r-- | arch/i386/mm/init.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/defconfig | 16 | ||||
| -rw-r--r-- | arch/x86_64/ia32/ia32_aout.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-calgary.c | 11 | ||||
| -rw-r--r-- | arch/x86_64/kernel/time.c | 25 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 2 | ||||
| -rw-r--r-- | drivers/serial/8250.c | 2 | ||||
| -rw-r--r-- | include/asm-x86_64/bitops.h | 34 | ||||
| -rw-r--r-- | init/main.c | 2 | ||||
| -rw-r--r-- | kernel/irq/spurious.c | 2 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 27 |
19 files changed, 119 insertions, 54 deletions
diff --git a/arch/i386/defconfig b/arch/i386/defconfig index 88b7c1cf65a..5d80edfc61b 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-git14 -# Sat Dec 9 21:23:14 2006 +# Linux kernel version: 2.6.20-rc3 +# Fri Jan 5 11:54:46 2007 # CONFIG_X86_32=y CONFIG_GENERIC_TIME=y @@ -1287,6 +1287,11 @@ CONFIG_USB_MON=y # # +# Virtualization +# +# CONFIG_KVM is not set + +# # File systems # CONFIG_EXT2_FS=y @@ -1471,6 +1476,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_UNUSED_SYMBOLS=y +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y @@ -1489,12 +1496,10 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_HIGHMEM is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_FS is not set # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_FORCED_INLINING is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set CONFIG_EARLY_PRINTK=y @@ -1527,6 +1532,7 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 2ce67228dff..49bff3596bf 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -36,7 +36,7 @@ /* Have we found an MP table */ int smp_found_config; -unsigned int __initdata maxcpus = NR_CPUS; +unsigned int __cpuinitdata maxcpus = NR_CPUS; /* * Various Linux-internal data structures created from the @@ -102,9 +102,9 @@ static int __init mpf_checksum(unsigned char *mp, int len) */ static int mpc_record; -static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __initdata; +static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __cpuinitdata; -static void __devinit MP_processor_info (struct mpc_config_processor *m) +static void __cpuinit MP_processor_info (struct mpc_config_processor *m) { int ver, apicid; physid_mask_t phys_cpu; @@ -822,7 +822,7 @@ void __init mp_register_lapic_address(u64 address) Dprintk("Boot CPU = %d\n", boot_cpu_physical_apicid); } -void __devinit mp_register_lapic (u8 id, u8 enabled) +void __cpuinit mp_register_lapic (u8 id, u8 enabled) { struct mpc_config_processor processor; int boot_cpu = 0; diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 6f6cb7b31d1..4b31ad70c1a 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -77,7 +77,7 @@ extern struct resource code_resource; extern struct resource data_resource; /* cpu data as detected by the assembly code in head.S */ -struct cpuinfo_x86 new_cpu_data __initdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; +struct cpuinfo_x86 new_cpu_data __cpuinitdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; /* common cpu data for all cpus */ struct cpuinfo_x86 boot_cpu_data __read_mostly = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; EXPORT_SYMBOL(boot_cpu_data); @@ -495,7 +495,7 @@ static void set_mca_bus(int x) { } #endif /* Overridden in paravirt.c if CONFIG_PARAVIRT */ -char * __attribute__((weak)) memory_setup(void) +char * __init __attribute__((weak)) memory_setup(void) { return machine_specific_memory_setup(); } diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 300d9b38d02..dea7ef9d3e8 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -159,7 +159,7 @@ void __init smp_alloc_memory(void) * a given CPU */ -static void __devinit smp_store_cpu_info(int id) +static void __cpuinit smp_store_cpu_info(int id) { struct cpuinfo_x86 *c = cpu_data + id; @@ -364,7 +364,7 @@ extern void calibrate_delay(void); static atomic_t init_deasserted; -static void __devinit smp_callin(void) +static void __cpuinit smp_callin(void) { int cpuid, phys_id; unsigned long timeout; @@ -538,7 +538,7 @@ set_cpu_sibling_map(int cpu) /* * Activate a secondary processor. */ -static void __devinit start_secondary(void *unused) +static void __cpuinit start_secondary(void *unused) { /* * Don't put *anything* before secondary_cpu_init(), SMP @@ -931,7 +931,7 @@ static inline struct task_struct * alloc_idle_task(int cpu) #define alloc_idle_task(cpu) fork_idle(cpu) #endif -static int __devinit do_boot_cpu(int apicid, int cpu) +static int __cpuinit do_boot_cpu(int apicid, int cpu) /* * NOTE - on most systems this is a PHYSICAL apic ID, but on multiquad * (ie clustered apic addressing mode), this is a LOGICAL apic ID. @@ -1432,7 +1432,7 @@ void __cpu_die(unsigned int cpu) } #endif /* CONFIG_HOTPLUG_CPU */ -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { #ifdef CONFIG_HOTPLUG_CPU int ret=0; diff --git a/arch/i386/mach-generic/bigsmp.c b/arch/i386/mach-generic/bigsmp.c index 33d9f93557b..8a210fa915b 100644 --- a/arch/i386/mach-generic/bigsmp.c +++ b/arch/i386/mach-generic/bigsmp.c @@ -45,7 +45,7 @@ static struct dmi_system_id __initdata bigsmp_dmi_table[] = { }; -static __init int probe_bigsmp(void) +static int probe_bigsmp(void) { if (def_to_bigsmp) dmi_bigsmp = 1; diff --git a/arch/i386/mach-generic/default.c b/arch/i386/mach-generic/default.c index 96c19821e47..8685208d851 100644 --- a/arch/i386/mach-generic/default.c +++ b/arch/i386/mach-generic/default.c @@ -18,7 +18,7 @@ #include <asm/mach-default/mach_mpparse.h> /* should be called last. */ -static __init int probe_default(void) +static int probe_default(void) { return 1; } diff --git a/arch/i386/mach-generic/es7000.c b/arch/i386/mach-generic/es7000.c index aa144d82334..b8963a5a3b2 100644 --- a/arch/i386/mach-generic/es7000.c +++ b/arch/i386/mach-generic/es7000.c @@ -19,7 +19,7 @@ #include <asm/mach-es7000/mach_mpparse.h> #include <asm/mach-es7000/mach_wakecpu.h> -static __init int probe_es7000(void) +static int probe_es7000(void) { /* probed later in mptable/ACPI hooks */ return 0; diff --git a/arch/i386/mach-generic/summit.c b/arch/i386/mach-generic/summit.c index f7e5d66648d..74883ccb8f7 100644 --- a/arch/i386/mach-generic/summit.c +++ b/arch/i386/mach-generic/summit.c @@ -18,7 +18,7 @@ #include <asm/mach-summit/mach_ipi.h> #include <asm/mach-summit/mach_mpparse.h> -static __init int probe_summit(void) +static int probe_summit(void) { /* probed later in mptable/ACPI hooks */ return 0; diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 60a7e57af19..c5c5ea700cc 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -283,7 +283,7 @@ void __init add_one_highpage_init(struct page *page, int pfn, int bad_ppro) SetPageReserved(page); } -static int add_one_highpage_hotplug(struct page *page, unsigned long pfn) +static int __meminit add_one_highpage_hotplug(struct page *page, unsigned long pfn) { free_new_highpage(page); totalram_pages++; @@ -300,7 +300,7 @@ static int add_one_highpage_hotplug(struct page *page, unsigned long pfn) * has been added dynamically that would be * onlined here is in HIGHMEM */ -void online_page(struct page *page) +void __meminit online_page(struct page *page) { ClearPageReserved(page); add_one_highpage_hotplug(page, page_to_pfn(page)); diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 9cc7c21547a..69584c29530 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-git14 -# Sat Dec 9 21:23:09 2006 +# Linux kernel version: 2.6.20-rc3 +# Fri Jan 5 11:54:41 2007 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -1056,6 +1056,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_SMSC47M192 is not set @@ -1066,6 +1067,7 @@ CONFIG_SENSORS_SMSC47B397=m # CONFIG_SENSORS_W83781D is not set # CONFIG_SENSORS_W83791D is not set # CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set # CONFIG_SENSORS_W83L785TS is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set @@ -1311,6 +1313,11 @@ CONFIG_USB_MON=y # # +# Virtualization +# +# CONFIG_KVM is not set + +# # Firmware Drivers # # CONFIG_EDD is not set @@ -1502,6 +1509,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y @@ -1519,12 +1528,10 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_FORCED_INLINING is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set # CONFIG_DEBUG_RODATA is not set @@ -1553,3 +1560,4 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c index be87df506f3..fe83edb93c1 100644 --- a/arch/x86_64/ia32/ia32_aout.c +++ b/arch/x86_64/ia32/ia32_aout.c @@ -241,7 +241,7 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) get_user(c,p++); } while (c); } - put_user(NULL,argv); + put_user(0, argv); current->mm->arg_end = current->mm->env_start = (unsigned long) p; while (envc-->0) { char c; @@ -250,7 +250,7 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) get_user(c,p++); } while (c); } - put_user(NULL,envp); + put_user(0, envp); current->mm->env_end = (unsigned long) p; return sp; } diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c index 87d90cb68a7..3d65b1d4c2b 100644 --- a/arch/x86_64/kernel/pci-calgary.c +++ b/arch/x86_64/kernel/pci-calgary.c @@ -1068,6 +1068,8 @@ void __init detect_calgary(void) if (!early_pci_allowed()) return; + printk(KERN_DEBUG "Calgary: detecting Calgary via BIOS EBDA area\n"); + ptr = (unsigned long)phys_to_virt(get_bios_ebda()); rio_table_hdr = NULL; @@ -1088,14 +1090,14 @@ void __init detect_calgary(void) offset = *((unsigned short *)(ptr + offset)); } if (!rio_table_hdr) { - printk(KERN_ERR "Calgary: Unable to locate " - "Rio Grande Table in EBDA - bailing!\n"); + printk(KERN_DEBUG "Calgary: Unable to locate Rio Grande table " + "in EBDA - bailing!\n"); return; } ret = build_detail_arrays(); if (ret) { - printk(KERN_ERR "Calgary: build_detail_arrays ret %d\n", ret); + printk(KERN_DEBUG "Calgary: build_detail_arrays ret %d\n", ret); return; } @@ -1128,6 +1130,9 @@ void __init detect_calgary(void) } } + printk(KERN_DEBUG "Calgary: finished detection, Calgary %s\n", + calgary_found ? "found" : "not found"); + if (calgary_found) { iommu_detected = 1; calgary_detected = 1; diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 9f05bc9b2da..5cc76d0d331 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -656,6 +656,25 @@ core_initcall(cpufreq_tsc); */ #define TICK_COUNT 100000000 +#define TICK_MIN 5000 + +/* + * Some platforms take periodic SMI interrupts with 5ms duration. Make sure none + * occurs between the reads of the hpet & TSC. + */ +static void __init read_hpet_tsc(int *hpet, int *tsc) +{ + int tsc1, tsc2, hpet1; + + do { + tsc1 = get_cycles_sync(); + hpet1 = hpet_readl(HPET_COUNTER); + tsc2 = get_cycles_sync(); + } while (tsc2 - tsc1 > TICK_MIN); + *hpet = hpet1; + *tsc = tsc2; +} + static unsigned int __init hpet_calibrate_tsc(void) { @@ -666,13 +685,11 @@ static unsigned int __init hpet_calibrate_tsc(void) local_irq_save(flags); local_irq_disable(); - hpet_start = hpet_readl(HPET_COUNTER); - rdtscl(tsc_start); + read_hpet_tsc(&hpet_start, &tsc_start); do { local_irq_disable(); - hpet_now = hpet_readl(HPET_COUNTER); - tsc_now = get_cycles_sync(); + read_hpet_tsc(&hpet_now, &tsc_now); local_irq_restore(flags); } while ((tsc_now - tsc_start) < TICK_COUNT && (hpet_now - hpet_start) < TICK_COUNT); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0535efc4f18..0a70943f8bb 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -955,7 +955,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho * becomes necessary to do this tweak in two steps -- I've chosen the Host * bridge as trigger. */ -static int __initdata asus_hides_smbus; +static int asus_hides_smbus; static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) { diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 51f3c739f7e..5261f0af8b1 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2296,7 +2296,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) local_irq_restore(flags); } -static int serial8250_console_setup(struct console *co, char *options) +static int __init serial8250_console_setup(struct console *co, char *options) { struct uart_port *port; int baud = 9600; diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h index 5b535eaf530..8da9609070f 100644 --- a/include/asm-x86_64/bitops.h +++ b/include/asm-x86_64/bitops.h @@ -7,7 +7,13 @@ #include <asm/alternative.h> -#define ADDR (*(volatile long *) addr) +#if __GNUC__ < 4 || __GNUC_MINOR__ < 1 +/* Technically wrong, but this avoids compilation errors on some gcc + versions. */ +#define ADDR "=m" (*(volatile long *) addr) +#else +#define ADDR "+m" (*(volatile long *) addr) +#endif /** * set_bit - Atomically set a bit in memory @@ -23,7 +29,7 @@ static __inline__ void set_bit(int nr, volatile void * addr) { __asm__ __volatile__( LOCK_PREFIX "btsl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr) : "memory"); } @@ -40,7 +46,7 @@ static __inline__ void __set_bit(int nr, volatile void * addr) { __asm__ volatile( "btsl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr) : "memory"); } @@ -58,7 +64,7 @@ static __inline__ void clear_bit(int nr, volatile void * addr) { __asm__ __volatile__( LOCK_PREFIX "btrl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -66,7 +72,7 @@ static __inline__ void __clear_bit(int nr, volatile void * addr) { __asm__ __volatile__( "btrl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -86,7 +92,7 @@ static __inline__ void __change_bit(int nr, volatile void * addr) { __asm__ __volatile__( "btcl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -103,7 +109,7 @@ static __inline__ void change_bit(int nr, volatile void * addr) { __asm__ __volatile__( LOCK_PREFIX "btcl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -121,7 +127,7 @@ static __inline__ int test_and_set_bit(int nr, volatile void * addr) __asm__ __volatile__( LOCK_PREFIX "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -141,7 +147,7 @@ static __inline__ int __test_and_set_bit(int nr, volatile void * addr) __asm__( "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr)); return oldbit; } @@ -160,7 +166,7 @@ static __inline__ int test_and_clear_bit(int nr, volatile void * addr) __asm__ __volatile__( LOCK_PREFIX "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -180,7 +186,7 @@ static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) __asm__( "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr)); return oldbit; } @@ -192,7 +198,7 @@ static __inline__ int __test_and_change_bit(int nr, volatile void * addr) __asm__ __volatile__( "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -211,7 +217,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) __asm__ __volatile__( LOCK_PREFIX "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -237,7 +243,7 @@ static __inline__ int variable_test_bit(int nr, volatile const void * addr) __asm__ __volatile__( "btl %2,%1\n\tsbbl %0,%0" :"=r" (oldbit) - :"m" (ADDR),"dIr" (nr)); + :"m" (*(volatile long *)addr),"dIr" (nr)); return oldbit; } diff --git a/init/main.c b/init/main.c index d908d3e0334..8b4a7d76916 100644 --- a/init/main.c +++ b/init/main.c @@ -695,7 +695,7 @@ static void __init do_basic_setup(void) do_initcalls(); } -static void do_pre_smp_initcalls(void) +static void __init do_pre_smp_initcalls(void) { extern int spawn_ksoftirqd(void); #ifdef CONFIG_SMP diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 543ea2e5ad9..9d8c79b4882 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -176,7 +176,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, int noirqdebug __read_mostly; -int __init noirqdebug_setup(char *str) +int noirqdebug_setup(char *str) { noirqdebug = 1; printk(KERN_INFO "IRQ lockup detection disabled\n"); diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 15ab5d02e80..2aa47623f5f 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -582,9 +582,19 @@ static int strrcmp(const char *s, const char *sub) * tosec = .init.text | .exit.text | .init.data * fromsec = .data * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one + * + * Pattern 3: + * Some symbols belong to init section but still it is ok to reference + * these from non-init sections as these symbols don't have any memory + * allocated for them and symbol address and value are same. So even + * if init section is freed, its ok to reference those symbols. + * For ex. symbols marking the init section boundaries. + * This pattern is identified by + * refsymname = __init_begin, _sinittext, _einittext **/ static int secref_whitelist(const char *modname, const char *tosec, - const char *fromsec, const char *atsym) + const char *fromsec, const char *atsym, + const char *refsymname) { int f1 = 1, f2 = 1; const char **s; @@ -595,6 +605,14 @@ static int secref_whitelist(const char *modname, const char *tosec, "_ops", "_probe", "_probe_one", + "_console", + NULL + }; + + const char *pat3refsym[] = { + "__init_begin", + "_sinittext", + "_einittext", NULL }; @@ -628,6 +646,11 @@ static int secref_whitelist(const char *modname, const char *tosec, if ((strcmp(fromsec, ".pci_fixup") == 0) && (strcmp(tosec, ".init.text") == 0)) return 1; + + /* Check for pattern 3 */ + for (s = pat3refsym; *s; s++) + if (strcmp(refsymname, *s) == 0) + return 1; } return 0; } @@ -737,7 +760,7 @@ static void warn_sec_mismatch(const char *modname, const char *fromsec, /* check whitelist - we may ignore it */ if (before && secref_whitelist(modname, secname, fromsec, - elf->strtab + before->st_name)) + elf->strtab + before->st_name, refsymname)) return; if (before && after) { |