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* sh: Use a jump call table for debug trap handlers.Paul Mundt2007-02-138-89/+117
| | | | | | | | | | | | | | | | | This rips out most of the needlessly complicated sh_bios and kgdb trap handling, and forces it all through a common fast dispatch path. As more debug traps are inserted, it's important to keep them in sync for all of the parts, not just SH-3/4. As the SH-2 parts are unable to do traps in the >= 0x40 range, we restrict the debug traps to the 0x30-0x3f range on all parts, and also bump the kgdb breakpoint trap down in to this range (from 0xff to 0x3c) so it's possible to use for nommu. Optionally, this table can be padded out to catch spurious traps for SH-3/4, but we don't do that yet.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-02-136-18/+13Star
|\ | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC]: Re-export saved_command_line to modules. [SPARC64]: Increase command line size to 2048 like other arches. [SPARC64]: We do not need ZONE_DMA.
| * [SPARC]: Re-export saved_command_line to modules.David S. Miller2007-02-132-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts some bogosity from the dynamic command-line changes made on sparc32 and sparc64. Drivers such as drivers/sbus/char/openprom.c reference saved_command_line, and can be modular. The boot_command_line is __initdata, yet the dynamic command-line changes add modular exports of that symbol, obviously wrong. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: Increase command line size to 2048 like other arches.David S. Miller2007-02-131-1/+1
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SPARC64]: We do not need ZONE_DMA.David S. Miller2007-02-133-15/+10Star
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2007-02-1371-709/+768
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (25 commits) [XFRM]: Fix OOPSes in xfrm_audit_log(). [TCP]: cleanup of htcp (resend) [TCP]: Use read mostly for CUBIC parameters. [NETFILTER]: nf_conntrack_tcp: make sysctl variables static [NETFILTER]: ip6t_mh: drop piggyback payload packet on MH packets [NETFILTER]: Fix whitespace errors [NETFILTER]: Kconfig: improve dependency handling [NETFILTER]: xt_mac/xt_CLASSIFY: use IPv6 hook names for IPv6 registration [NETFILTER]: nf_conntrack: change nf_conntrack_l[34]proto_unregister to void [NETFILTER]: nf_conntrack: properly use RCU for nf_conntrack_destroyed callback [NETFILTER]: ip_conntrack: properly use RCU for ip_conntrack_destroyed callback [NETFILTER]: nf_conntrack: fix invalid conntrack statistics RCU assumption [NETFILTER]: ip_conntrack: fix invalid conntrack statistics RCU assumption [NETFILTER]: nf_conntrack: properly use RCU API for nf_ct_protos/nf_ct_l3protos arrays [NETFILTER]: ip_conntrack: properly use RCU API for ip_ct_protos array [NETFILTER]: nf_nat: properly use RCU API for nf_nat_protos array [NETFILTER]: ip_nat: properly use RCU API for ip_nat_protos array [NETFILTER]: nf_log: minor cleanups [NETFILTER]: nf_log: switch logger registration/unregistration to mutex [NETFILTER]: nf_log: make nf_log_unregister_pf return void ...
| * [XFRM]: Fix OOPSes in xfrm_audit_log().David S. Miller2007-02-123-11/+19
| | | | | | | | | | | | | | | | | | Make sure that this function is called correctly, and add BUG() checking to ensure the arguments are sane. Based upon a patch by Joy Latten. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP]: cleanup of htcp (resend)Stephen Hemminger2007-02-121-28/+37
| | | | | | | | | | | | | | | | | | | | Minor non-invasive cleanups: * white space around operators and line wrapping * use const * use __read_mostly Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP]: Use read mostly for CUBIC parameters.Stephen Hemminger2007-02-121-10/+10
| | | | | | | | | | | | | | | | These module parameters should be in the read mostly area to avoid cache pollution. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_conntrack_tcp: make sysctl variables staticPatrick McHardy2007-02-121-3/+3
| | | | | | | | | | | | | | | | sysctls are registered by the protocol module itself since 2.6.19, no need to have them visible to others. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: ip6t_mh: drop piggyback payload packet on MH packetsMasahide NAKAMURA2007-02-121-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | Regarding RFC3775, MH payload proto field should be IPPROTO_NONE. Otherwise it must be discarded (and the receiver should send ICMP error). We assume filter should drop such piggyback everytime to disallow slipping through firewall rules, even the final receiver will discard it. Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Fix whitespace errorsYOSHIFUJI Hideaki2007-02-1243-422/+422
| | | | | | | | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Kconfig: improve dependency handlingPatrick McHardy2007-02-123-7/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of depending on internally needed options and letting users figure out what is needed, select them when needed: - IP_NF_IPTABLES, IP_NF_ARPTABLES and IP6_NF_IPTABLES select NETFILTER_XTABLES - NETFILTER_XT_TARGET_CONNMARK, NETFILTER_XT_MATCH_CONNMARK and IP_NF_TARGET_CLUSTERIP select NF_CONNTRACK_MARK - NETFILTER_XT_MATCH_CONNBYTES selects NF_CT_ACCT Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: xt_mac/xt_CLASSIFY: use IPv6 hook names for IPv6 registrationPatrick McHardy2007-02-122-6/+9
| | | | | | | | | | | | | | | | Use NF_IP6_ instead of NF_IP_. The values are identical, this is merely cleanup. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_conntrack: change nf_conntrack_l[34]proto_unregister to voidPatrick McHardy2007-02-123-35/+9Star
| | | | | | | | | | | | | | | | | | No caller checks the return value, and since its usually called within the module unload path there's nothing a module could do about errors anyway, so BUG on invalid conditions and return void. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_conntrack: properly use RCU for nf_conntrack_destroyed callbackPatrick McHardy2007-02-122-6/+10
| | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: ip_conntrack: properly use RCU for ip_conntrack_destroyed callbackPatrick McHardy2007-02-122-6/+10
| | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_conntrack: fix invalid conntrack statistics RCU assumptionPatrick McHardy2007-02-123-9/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | NF_CT_STAT_INC assumes rcu_read_lock in nf_hook_slow disables preemption as well, making it legal to use __get_cpu_var without disabling preemption manually. The assumption is not correct anymore with preemptable RCU, additionally we need to protect against softirqs when not holding nf_conntrack_lock. Add NF_CT_STAT_INC_ATOMIC macro, which disables local softirqs, and use where necessary. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: ip_conntrack: fix invalid conntrack statistics RCU assumptionPatrick McHardy2007-02-122-7/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | CONNTRACK_STAT_INC assumes rcu_read_lock in nf_hook_slow disables preemption as well, making it legal to use __get_cpu_var without disabling preemption manually. The assumption is not correct anymore with preemptable RCU, additionally we need to protect against softirqs when not holding ip_conntrack_lock. Add CONNTRACK_STAT_INC_ATOMIC macro, which disables local softirqs, and use where necessary. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_conntrack: properly use RCU API for ↵Patrick McHardy2007-02-126-30/+44
| | | | | | | | | | | | | | | | | | | | | | | | nf_ct_protos/nf_ct_l3protos arrays Replace preempt_{enable,disable} based RCU by proper use of the RCU API and add missing rcu_read_lock/rcu_read_unlock calls in all paths not obviously only used within packet process context (nfnetlink_conntrack). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: ip_conntrack: properly use RCU API for ip_ct_protos arrayPatrick McHardy2007-02-123-15/+26
| | | | | | | | | | | | | | | | | | | | Replace preempt_{enable,disable} based RCU by proper use of the RCU API and add missing rcu_read_lock/rcu_read_unlock calls in all paths not obviously only used within packet process context (nfnetlink_conntrack). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_nat: properly use RCU API for nf_nat_protos arrayPatrick McHardy2007-02-121-31/+28Star
| | | | | | | | | | | | | | | | | | Replace preempt_{enable,disable} based RCU by proper use of the RCU API and add missing rcu_read_lock/rcu_read_unlock calls in paths used outside of packet processing context (nfnetlink_conntrack). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: ip_nat: properly use RCU API for ip_nat_protos arrayPatrick McHardy2007-02-121-32/+29Star
| | | | | | | | | | | | | | | | | | Replace preempt_{enable,disable} based RCU by proper use of the RCU API and add missing rcu_read_lock/rcu_read_unlock calls in paths used outside of packet processing context (nfnetlink_conntrack). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_log: minor cleanupsPatrick McHardy2007-02-128-18/+18
| | | | | | | | | | | | | | | | | | | | - rename nf_logging to nf_loggers since its an array of registered loggers - rename nf_log_unregister_logger() to nf_log_unregister() to make it symetrical to nf_log_register() and convert all users Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_log: switch logger registration/unregistration to mutexPatrick McHardy2007-02-121-11/+15
| | | | | | | | | | | | | | | | The spinlock is only used in process context (register/unregister), switch to a mutex. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_log: make nf_log_unregister_pf return voidPatrick McHardy2007-02-122-6/+3Star
| | | | | | | | | | | | | | | | | | Since the only user of nf_log_unregister_pf (nfnetlink_log) doesn't check the return value, change it to void and bail out silently when a non-existant address family is supplied. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: nf_log: use rcu_assign_pointer for RCU protected pointerPatrick McHardy2007-02-121-4/+4
| | | | | | | | | | | | | | | | Also replace synchronize_net() calls by synchronize_rcu() since the RCU protected data is also used for sysfs. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Switch nf_register_hook/nf_unregister_hook to mutexPatrick McHardy2007-02-121-5/+8
| | | | | | | | | | | | | | | | The spinlock is only used in process context (register/unregister) since RCU is used for the nf_hook lists, switch to a mutex. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Switch nf_register_afinfo/nf_unregister_afinfo to mutexPatrick McHardy2007-02-121-5/+10
| | | | | | | | | | | | | | | | The spinlock is only used in process context (register/unregister), switch to a mutex. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Remove unnecessary synchronize_net() in nf_register_hookPatrick McHardy2007-02-121-2/+0Star
| | | | | | | | | | | | | | We're only adding to the list, no need to synchronize. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Properly use RCU in nf_ct_attachPatrick McHardy2007-02-123-7/+10
| | | | | | | | | | | | | | | | | | | | Use rcu_assign_pointer/rcu_dereference for ip_ct_attach pointer instead of self-made RCU and use rcu_read_lock to make sure the conntrack module doesn't disappear below us while calling it, since this function can be called from outside the netfilter hooks. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | don't use 'localversion*' files twiceLinus Torvalds2007-02-131-1/+1
|/ | | | | | | | | Since we look in both source and object directories for localversion* files, we accidentally ended up getting them twice. Use 'sort -u' to avoid that. Reported-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2007-02-126-15/+45
|\ | | | | | | | | | | | | | | * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] remove __io_virt and mmiowb. [S390] cio: use ARRAY_SIZE in device_id.c [S390] cio: Fixup interface for setting options on ccw devices. [S390] smp_call_function/smp_call_function_on locking.
| * [S390] remove __io_virt and mmiowb.Martin Schwidefsky2007-02-121-5/+1Star
| | | | | | | | Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: use ARRAY_SIZE in device_id.cAhmed S. Darwish2007-02-121-1/+2
| | | | | | | | | | | | Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] cio: Fixup interface for setting options on ccw devices.Cornelia Huck2007-02-123-3/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current ccw_device_set_options() sets a specified mask of options and clears those not specified, but there is no way to find out which options have already been set. In order to fix this up, introduce the following interface changes: ccw_device_set_options() now only sets the specified bits, but does not clear those that are not specified. ccw_device_clear_options() clears the specified bits. ccw_device_set_options_mask() provides the old semantics (setting only the specified bits and clearing the others). Device drivers now work as expected. qdio has been adapted. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * [S390] smp_call_function/smp_call_function_on locking.Heiko Carstens2007-02-121-6/+9
| | | | | | | | | | | | | | | | | | | | smp_call_function and smp_call_function_on share the same lock and smp_call_function_on disables softirq's so it can be called from softirq context as well. Hence smp_call_function muss disable softirqs as well to avoid deadlocks. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* | [PATCH] Mark struct super_operations constJosef 'Jeff' Sipek2007-02-1258-75/+75
| | | | | | | | | | | | | | | | | | | | | | This patch is inspired by Arjan's "Patch series to mark struct file_operations and struct inode_operations const". Compile tested with gcc & sparse. Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct inode_operations const 3Arjan van de Ven2007-02-1248-103/+103
| | | | | | | | | | | | | | | | | | | | | | Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct inode_operations const 2Arjan van de Ven2007-02-1254-105/+105
| | | | | | | | | | | | | | | | | | | | | | Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct inode_operations const 1Arjan van de Ven2007-02-1257-100/+100
| | | | | | | | | | | | | | | | | | | | | | Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 9Arjan van de Ven2007-02-1232-55/+55
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 8Arjan van de Ven2007-02-1231-51/+51
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 7Arjan van de Ven2007-02-1253-86/+86
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 6Arjan van de Ven2007-02-1245-91/+91
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 5Arjan van de Ven2007-02-1245-89/+89
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 4Arjan van de Ven2007-02-1267-78/+78
| | | | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. [akpm@sdl.org: dvb fix] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 3Arjan van de Ven2007-02-1258-83/+83
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 2Arjan van de Ven2007-02-1259-94/+94
| | | | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. [akpm@osdl.org: sparc64 fix] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [PATCH] mark struct file_operations const 1Arjan van de Ven2007-02-129-13/+13
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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