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Dipankar Sarma ab2af1f500 [PATCH] files: files struct with RCU ... Patch to eliminate struct files_struct.file_lock spinlock on the reader side and use rcu refcounting rcuref_xxx api for the f_count refcounter. The updates to the fdtable are done by allocating a new fdtable structure and setting files->fdt to point to the new structure. The fdtable structure is protected by RCU thereby allowing lock-free lookup. For fd arrays/sets that are vmalloced, we use keventd to free them since RCU callbacks can't sleep. A global list of fdtable to be freed is not scalable, so we use a per-cpu list. If keventd is already handling the current cpu's work, we use a timer to defer queueing of that work. Since the last publication, this patch has been re-written to avoid using explicit memory barriers and use rcu_assign_pointer(), rcu_dereference() premitives instead. This required that the fd information is kept in a separate structure (fdtable) and updated atomically. Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		20 years ago
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acpi	…
asm-alpha	[PATCH] Make sparc64 use setup-res.c	20 years ago
asm-arm	Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6	20 years ago
asm-arm26	…
asm-cris	…
asm-frv	…
asm-generic	[PATCH] Make sparc64 use setup-res.c	20 years ago
asm-h8300	…
asm-i386	[PATCH] fix reboot via keyboard controller reset	20 years ago
asm-ia64	[PATCH] Prefetch kernel stacks to speed up context switch	20 years ago
asm-m32r	…
asm-m68k	…
asm-m68knommu	[PATCH] m68knommu: include ColdFire 523x processor register definitions	20 years ago
asm-mips	[PATCH] remove unnecessary handle_IRQ_event() prototypes	20 years ago
asm-parisc	[PATCH] Make sparc64 use setup-res.c	20 years ago
asm-powerpc	[PATCH] powerpc: Fix __power64__ typos that should be __powerpc64__	20 years ago
asm-ppc	[PATCH] remove unnecessary handle_IRQ_event() prototypes	20 years ago
asm-ppc64	Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6	20 years ago
asm-s390	…
asm-sh	[PATCH] remove unnecessary handle_IRQ_event() prototypes	20 years ago
asm-sh64	…
asm-sparc	…
asm-sparc64	Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6	20 years ago
asm-um	…
asm-v850	…
asm-x86_64	[PATCH] remove unnecessary handle_IRQ_event() prototypes	20 years ago
asm-xtensa	…
linux	[PATCH] files: files struct with RCU	20 years ago
math-emu	…
media	[PATCH] v4l: tveeprom improved to support newer Hauppage cards	20 years ago
mtd	…
net	[AX.25]: Make asc2ax() thread-proof	20 years ago
pcmcia	[PATCH] pcmcia: add pcmcia to IRQ information	20 years ago
rdma	…
rxrpc	…
scsi	…
sound	[PATCH] v4l: Remove kernel version dependency from tea575x-tuner.h	20 years ago
video	[PATCH] w100fb: Rewrite for platform independence	20 years ago