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authorIngo Molnar <mingo@elte.hu>2008-12-29 00:16:45 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 00:19:55 +0100
commitb2e2fe99628c4f944c3075258e536197b5a4f3f8 (patch)
treead56d4853efc86c2c86e897b843a6438550d039c /init/main.c
parentsparseirq: fix hang with !SPARSE_IRQ (diff)
downloadlinux-b2e2fe99628c4f944c3075258e536197b5a4f3f8.tar.xz
linux-b2e2fe99628c4f944c3075258e536197b5a4f3f8.zip
sparseirq: work around __weak alias bug
Impact: fix boot crash if the kernel is built with certain GCC versions GCC has a bug with __weak alias functions: if the functions are in the same compilation unit as their call site, GCC can decide to inline them - and thus rob the linker of the opportunity to override the weak alias with the real thing. This can lead to the boot crash reported by Kamalesh Babulal: ACPI: Core revision 20080926 Setting APIC routing to flat BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<ffffffff8021f9a8>] add_pin_to_irq_cpu+0x14/0x74 PGD 0 Oops: 0000 [#1] SMP [...] So move the arch_init_chip_data() function from handle.c to manage.c. Reported-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'init/main.c')
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