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SubjectSame symbol with EXPORT_SYMBOL and EXPORT_SYMBOL_GPL
Hi,

I have a question regarding EXPORT_SYMBOL vs. EXPORT_SYMBOL_GPL:
I did stumble upon different export declarations between different architectures, e.g.:

$ grep -r -e "EXPORT_SYMBOL[^(]*(" * | tr ":()" " " | sort -s -k 3 -k 2 | grep __virt_addr_valid
arch/mips/mm/mmap.c EXPORT_SYMBOL_GPL __virt_addr_valid ;
arch/x86/mm/physaddr.c EXPORT_SYMBOL __virt_addr_valid ;

Bug or feature?

Other examples are:
clk_disable EXPORT_SYMBOL 7
clk_disable EXPORT_SYMBOL_GPL 3
clk_enable EXPORT_SYMBOL 7
clk_enable EXPORT_SYMBOL_GPL 3
clk_get_parent EXPORT_SYMBOL 4
clk_get_parent EXPORT_SYMBOL_GPL 2
clk_get_rate EXPORT_SYMBOL 7
clk_get_rate EXPORT_SYMBOL_GPL 3
clk_register EXPORT_SYMBOL 2
clk_register EXPORT_SYMBOL_GPL 2
clk_round_rate EXPORT_SYMBOL 6
clk_round_rate EXPORT_SYMBOL_GPL 4
clk_set_parent EXPORT_SYMBOL 5
clk_set_parent EXPORT_SYMBOL_GPL 2
clk_set_rate EXPORT_SYMBOL 6
clk_set_rate EXPORT_SYMBOL_GPL 4
clk_unregister EXPORT_SYMBOL 2
clk_unregister EXPORT_SYMBOL_GPL 2
copy_user_highpage EXPORT_SYMBOL 4
copy_user_highpage EXPORT_SYMBOL_GPL 1
cpu_have_feature EXPORT_SYMBOL 1
cpu_have_feature EXPORT_SYMBOL_GPL 1
ec_read EXPORT_SYMBOL 1
ec_read EXPORT_SYMBOL_GPL 1
ec_write EXPORT_SYMBOL 1
ec_write EXPORT_SYMBOL_GPL 1
elf_hwcap EXPORT_SYMBOL 2
elf_hwcap EXPORT_SYMBOL_GPL 2
empty_zero_page EXPORT_SYMBOL 26
empty_zero_page EXPORT_SYMBOL_GPL 1
flush_icache_range EXPORT_SYMBOL 9
flush_icache_range EXPORT_SYMBOL_GPL 2
ioremap_uc EXPORT_SYMBOL 1
ioremap_uc EXPORT_SYMBOL_GPL 1
irq_of_parse_and_map EXPORT_SYMBOL 1
irq_of_parse_and_map EXPORT_SYMBOL_GPL 1
irq_to_desc EXPORT_SYMBOL 1
irq_to_desc EXPORT_SYMBOL_GPL 1
machine_power_off EXPORT_SYMBOL 1
machine_power_off EXPORT_SYMBOL_GPL 1
memcpy_flushcache EXPORT_SYMBOL 1
memcpy_flushcache EXPORT_SYMBOL_GPL 1
memstart_addr EXPORT_SYMBOL 1
memstart_addr EXPORT_SYMBOL_GPL 1
node_data EXPORT_SYMBOL 7
node_data EXPORT_SYMBOL_GPL 1
pci_domain_nr EXPORT_SYMBOL 2
pci_domain_nr EXPORT_SYMBOL_GPL 1
pci_iomap_wc EXPORT_SYMBOL 1
pci_iomap_wc EXPORT_SYMBOL_GPL 1
pci_iomap_wc_range EXPORT_SYMBOL 1
pci_iomap_wc_range EXPORT_SYMBOL_GPL 1
perf_num_counters EXPORT_SYMBOL 1
perf_num_counters EXPORT_SYMBOL_GPL 2
perf_pmu_name EXPORT_SYMBOL 1
perf_pmu_name EXPORT_SYMBOL_GPL 2
pm_power_off EXPORT_SYMBOL 22
pm_power_off EXPORT_SYMBOL_GPL 3
pv_ops EXPORT_SYMBOL 1
pv_ops EXPORT_SYMBOL_GPL 2
rcu_barrier EXPORT_SYMBOL 1
rcu_barrier EXPORT_SYMBOL_GPL 1
return_address EXPORT_SYMBOL 1
return_address EXPORT_SYMBOL_GPL 3
rtc_lock EXPORT_SYMBOL 5
rtc_lock EXPORT_SYMBOL_GPL 2
save_stack_trace EXPORT_SYMBOL 1
save_stack_trace EXPORT_SYMBOL_GPL 14
save_stack_trace_tsk EXPORT_SYMBOL 1
save_stack_trace_tsk EXPORT_SYMBOL_GPL 11
smp_call_function_single_async EXPORT_SYMBOL 1
smp_call_function_single_async EXPORT_SYMBOL_GPL 1
start_thread EXPORT_SYMBOL 4
start_thread EXPORT_SYMBOL_GPL 2
ww_mutex_lock EXPORT_SYMBOL 1
ww_mutex_lock EXPORT_SYMBOL_GPL 1
ww_mutex_lock_interruptible EXPORT_SYMBOL 1
ww_mutex_lock_interruptible EXPORT_SYMBOL_GPL 1
xen_domain_type EXPORT_SYMBOL 1
xen_domain_type EXPORT_SYMBOL_GPL 1
xen_start_info EXPORT_SYMBOL 1
xen_start_info EXPORT_SYMBOL_GPL 1

Mfg
thomas

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