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linux_dsm_epyc7002/arch/powerpc/platforms/cell
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Jeremy Kerr c443acab2e [POWERPC] spufs: Fix context destroy vs /spu readdir race 
We can currently cause an oops by repeatedly creating and destroying
contexts, while doing getdents() calls on the "/spu" directory.

This is due to the context's top-level dentry remaining hashed while
the context is being destroyed.

Fix this by unhashing the context's dentry with the
dentry->d_inode->i_mutex held. This way, we'll hit the check for
d_unhashed in dentry_readdir, and won't be included in the
list of subdirs for /spu.

test: spufs-testsuite:tests/01-spu_create/07-destroy-vs-readdir-race

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-11-20 16:10:20 +11:00
..
spufs [POWERPC] spufs: Fix context destroy vs /spu readdir race 2007-11-20 16:10:20 +11:00
axon_msi.c Remove msic_dcr_read() in axon_msi.c 2007-10-15 14:29:49 -04:00
cbe_cpufreq_pervasive.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
cbe_cpufreq_pmi.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
cbe_cpufreq.c Convert cpu_sibling_map to be a per cpu variable 2007-10-16 09:42:50 -07:00
cbe_cpufreq.h [CELL] cbe_cpufreq: reorganize code 2007-07-20 21:41:38 +02:00
cbe_regs.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
cbe_thermal.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
interrupt.c [POWERPC] Fix CONFIG_SMP=n build break 2007-11-08 14:15:30 +11:00
interrupt.h [POWERPC] cell: Add routines for managing PMU interrupts 2006-12-04 20:40:12 +11:00
io-workarounds.c [POWERPC] Rewrite IO allocation & mapping on powerpc64 2007-06-14 22:29:56 +10:00
iommu.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
Kconfig Device tree aware EMAC driver 2007-10-10 16:51:52 -07:00
Makefile [POWERPC] spufs: Combine spufs_coredump_calls with spufs_calls 2007-09-19 15:12:19 +10:00
pervasive.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
pervasive.h [POWERPC] cell: add RAS support 2006-06-21 15:01:29 +10:00
pmu.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
ras.c [POWERPC] cell: Move cbe_regs.h to include/asm-powerpc/cell-regs.h 2007-10-09 21:01:56 +10:00
ras.h [POWERPC] cell: add RAS support 2006-06-21 15:01:29 +10:00
setup.c [POWERPC] Platforms shouldn't mess with ROOT_DEV 2007-10-11 20:40:43 +10:00
smp.c [POWERPC] Include udbg.h when using udbg_printf 2007-11-08 14:15:31 +11:00
spider-pic.c [POWERPC] Provide a default irq_host match, which matches on an exact of_node 2007-09-14 01:33:20 +10:00
spu_base.c [POWERPC] Use 1TB segments 2007-10-12 14:05:17 +10:00
spu_callbacks.c [POWERPC] cell: Remove DEBUG for SPU callbacks 2007-09-19 15:12:17 +10:00
spu_manage.c [POWERPC] cell: Don't cast the result of of_get_property() 2007-09-22 14:49:22 +10:00
spu_priv1_mmio.c [POWERPC] Celleb: consolidate spu management ops 2007-02-07 14:03:21 +11:00
spu_priv1_mmio.h [POWERPC] cell: abstract spu management routines 2006-12-04 20:40:39 +11:00
spu_syscalls.c [POWERPC] spufs: Handle errors in SPU coredump code, and support coredump to a pipe 2007-09-19 15:12:19 +10:00