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authorToshihiro HANAWA <hanawa@ccs.tsukuba.ac.jp>2009-10-02 17:52:54 +0900
committerHirokazu Takata <takata@linux-m32r.org>2009-10-04 12:02:37 +0900
commit0a3d31b79e7fa600108e699805e2b2f9ea1f3194 (patch)
tree3c2f761d0a8f4cfbbff08ee3753f44f4ac7349ab /net/ipx/af_ipx.c
parent6b6fabce5ac47668a2c2d9a14f1cdcc23c4ed896 (diff)
m32r: Fix IPI function calls for SMP
This patch fixes the m32r SMP kernel after 2.6.27. A part of the following patch breaks m32r SMP operation. > m32r: convert to generic helpers for IPI function calls > commit 7b7426c8a615cf61df9a77b9df7d5b75d91e3fa0 In the above patch, a CALL_FUNC_SINGLE_IPI was newly introduced, but the its IPI vector number was wrong in the patch code. The m32r SMP kernel hanged-up during boot operation, because the CPU_BOOT_IPI was called instead of CALL_FUNC_SINGLE_IPI (CPU_BOOT_IPI had no side effect at that time because the 2nd core had already been started up), as a result, csd_unlock() was not called, then a dead lock occurred in csd_lock_wait() after the detection of Compact Flash memory as IDE generic disk. Signed-off-by: Toshihiro HANAWA <hanawa@ccs.tsukuba.ac.jp> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to 'net/ipx/af_ipx.c')
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