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authorDavid S. Miller <davem@davemloft.net>2012-05-13 23:09:04 -0700
committerDavid S. Miller <davem@davemloft.net>2012-05-14 13:31:38 -0700
commitc68e5d39a502d01421cbc70d25c377e9215facef (patch)
tree9135a68681381d94a929b57a28a1878df0134ff7 /arch/sparc/kernel/sun4d_irq.c
parent5d83d66635bb1642f3c6a3690c28ff4afdf1ae5f (diff)
downloadlinux-c68e5d39a502d01421cbc70d25c377e9215facef.tar.bz2
sparc32: Implement hard_smp_processor_id() via instruction patching.
This is the last non-trivial user of btfixup. Like sparc64, use a special patch section to resolve the various implementations of how to read the current CPU's ID when we don't have current_thread_info()->cpu necessarily available. Signed-off-by: David S. Miller <davem@davemloft.net> Tested-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/sparc/kernel/sun4d_irq.c')
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