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Subject[tip:WIP.x86/apic 13/31] arch/x86//kernel/apic/bigsmp_32.c:160:24: error: initialization from incompatible pointer type
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/apic
head: e63fe793b642a9df7e7a910c83619dce589a9e26
commit: ae1f66ab939b10d4a5a4369cc72d9fadce2499e7 [13/31] x86/apic: Reorganize struct apic
config: i386-randconfig-x001-201736 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout ae1f66ab939b10d4a5a4369cc72d9fadce2499e7
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

>> arch/x86//kernel/apic/bigsmp_32.c:160:24: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.check_apicid_used = bigsmp_check_apicid_used,
^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86//kernel/apic/bigsmp_32.c:160:24: note: (near initialization for 'apic_bigsmp.check_apicid_used')
cc1: some warnings being treated as errors

vim +160 arch/x86//kernel/apic/bigsmp_32.c

d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 146
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 147 .name = "bigsmp",
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 148 .probe = probe_bigsmp,
306db03b0 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 149 .acpi_madt_oem_check = NULL,
fa63030e9 arch/x86/kernel/apic/bigsmp_32.c Daniel J Blueman 2012-03-14 150 .apic_id_valid = default_apic_id_valid,
7ed248daa arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 151 .apic_id_registered = bigsmp_apic_id_registered,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 152
d8a3539e6 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 153 .irq_delivery_mode = dest_Fixed,
d8a3539e6 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 154 /* phys delivery to target CPU: */
d8a3539e6 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 155 .irq_dest_mode = 0,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 156
bf721d3a3 arch/x86/kernel/apic/bigsmp_32.c Alexander Gordeev 2012-06-05 157 .target_cpus = default_target_cpus,
08125d3ed arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 158 .disable_esr = 1,
bdb1a9b62 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 159 .dest_logical = 0,
d1d7cae8f arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 @160 .check_apicid_used = bigsmp_check_apicid_used,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 161
9d8e10667 arch/x86/kernel/apic/bigsmp_32.c Alexander Gordeev 2012-06-07 162 .vector_allocation_domain = default_vector_allocation_domain,
a5c432962 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 163 .init_apic_ldr = bigsmp_init_apic_ldr,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 164
d190cb87c arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 165 .ioapic_phys_id_map = bigsmp_ioapic_phys_id_map,
72ce01658 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 166 .setup_apic_routing = bigsmp_setup_apic_routing,
a21769a44 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 167 .cpu_present_to_apicid = bigsmp_cpu_present_to_apicid,
7abc07531 arch/x86/kernel/apic/bigsmp_32.c Cyrill Gorcunov 2009-11-10 168 .apicid_to_cpu_present = physid_set_mask_of_physid,
a27a62100 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 169 .check_phys_apicid_present = bigsmp_check_phys_apicid_present,
cb8cc442d arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 170 .phys_pkg_id = bigsmp_phys_pkg_id,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 171
ca6c8ed46 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 172 .get_apic_id = bigsmp_get_apic_id,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 173 .set_apic_id = NULL,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 174
91cd9cb7e arch/x86/kernel/apic/bigsmp_32.c Thomas Gleixner 2017-06-20 175 .cpu_mask_to_apicid = default_cpu_mask_to_apicid,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 176
5789a12e2 arch/x86/kernel/apic/bigsmp_32.c Thomas Gleixner 2015-11-04 177 .send_IPI = default_send_IPI_single_phys,
500bd02fb arch/x86/kernel/apic/bigsmp_32.c Thomas Gleixner 2015-11-04 178 .send_IPI_mask = default_send_IPI_mask_sequence_phys,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 179 .send_IPI_mask_allbutself = NULL,
dac5f4121 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 180 .send_IPI_allbutself = bigsmp_send_IPI_allbutself,
dac5f4121 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 181 .send_IPI_all = bigsmp_send_IPI_all,
6b64ee02d arch/x86/kernel/bigsmp_32.c Ingo Molnar 2009-01-30 182 .send_IPI_self = default_send_IPI_self,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 183
25dc00490 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 184 .inquire_remote_apic = default_inquire_remote_apic,
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 185
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 186 .read = native_apic_mem_read,
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 187 .write = native_apic_mem_write,
2a43195d8 arch/x86/kernel/apic/bigsmp_32.c Michael S. Tsirkin 2012-05-16 188 .eoi_write = native_apic_mem_write,
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 189 .icr_read = native_apic_icr_read,
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 190 .icr_write = native_apic_icr_write,
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 191 .wait_icr_idle = native_apic_wait_icr_idle,
c1eeb2de4 arch/x86/kernel/bigsmp_32.c Yinghai Lu 2009-02-16 192 .safe_wait_icr_idle = native_safe_apic_wait_icr_idle,
acb8bc09c arch/x86/kernel/apic/bigsmp_32.c Tejun Heo 2011-01-23 193
12bf24a47 arch/x86/kernel/apic/bigsmp_32.c Tejun Heo 2011-01-23 194 .x86_32_early_logical_apicid = bigsmp_early_logical_apicid,
d26b6d666 arch/x86/mach-generic/bigsmp.c Ingo Molnar 2009-01-28 195 };
107e0e0cd arch/x86/kernel/apic/bigsmp_32.c Suresh Siddha 2011-05-20 196

:::::: The code at line 160 was first introduced by commit
:::::: d1d7cae8fd54a301a0de531b48451649933ffdcf x86, apic: clean up check_apicid*() callbacks

:::::: TO: Ingo Molnar <mingo@elte.hu>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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