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2006-05-23[SPARC64]: Respect gfp_t argument to dma_alloc_coherent().David S. Miller
Using asm-generic/dma-mapping.h does not work because pushing the call down to pci_alloc_coherent() causes the gfp_t argument of dma_alloc_coherent() to be ignored. Fix this by implementing things directly, and adding a gfp_t argument we can use in the internal call down to the PCI DMA implementation of pci_alloc_coherent(). This fixes massive memory corruption when using the sound driver layer, which passes things like __GFP_COMP down into these routines and (correctly) expects that to work. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-21[SPARC]: Add robust futex syscall entries.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-12[SPARC]: Handle UNWIND_INFO properly.David S. Miller
For sparc32 we need R_SPARC_UA32 relocation support, for sparc64 we need the handle R_SPARC_DISP32 relocations. Based upon reports and initial patch by Martin Habets. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-08[SPARC64]: Update defconfig.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-03[SPARC]: Hook up vmsplice into syscall tables.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-01Merge branch 'audit.b10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b10' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: [PATCH] Audit Filter Performance [PATCH] Rework of IPC auditing [PATCH] More user space subject labels [PATCH] Reworked patch for labels on user space messages [PATCH] change lspp ipc auditing [PATCH] audit inode patch [PATCH] support for context based audit filtering, part 2 [PATCH] support for context based audit filtering [PATCH] no need to wank with task_lock() and pinning task down in audit_syscall_exit() [PATCH] drop task argument of audit_syscall_{entry,exit} [PATCH] drop gfp_mask in audit_log_exit() [PATCH] move call of audit_free() into do_exit() [PATCH] sockaddr patch [PATCH] deal with deadlocks in audit_free()
2006-05-01[PATCH] drop task argument of audit_syscall_{entry,exit}Al Viro
... it's always current, and that's a good thing - allows simpler locking. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-04-30[SPARC64]: Disable preemption during flush_tlb_pending().David S. Miller
A context switch will force a call to flush_tlb_pending() (via switch_to()), so if we test tlb_nr to be non-zero, then sleep, it would become zero and later back at the original context we'll pass zero down into the TLB flushing code which should never see a nr argument of zero. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-19[PATCH] Switch Kprobes inline functions to __kprobes for sparc64Prasanna S Panchamukhi
Andrew Morton pointed out that compiler might not inline the functions marked for inline in kprobes. There-by allowing the insertion of probes on these kprobes routines, which might cause recursion. This patch removes all such inline and adds them to kprobes section there by disallowing probes on all such routines. Some of the routines can even still be inlined, since these routines gets executed after the kprobes had done necessay setup for reentrancy. Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-18[SPARC64]: Fix dependencies of HUGETLB_PAGE_SIZE_64KJean-Luc Léger
This patch fixes dependencies of HUGETLB_PAGE_SIZE_64K Signed-off-by: Jean-Luc Léger <jean-luc.leger@dspnet.fr.eu.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-17[SPARC64]: Export pcibios_resource_to_bus().David S. Miller
SYM2 driver uses it. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-14[SPARC]: Hook up sys_tee() into syscall tables.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-11[PATCH] No arch-specific strpbrk implementationsKyle McMartin
While cleaning up parisc_ksyms.c earlier, I noticed that strpbrk wasn't being exported from lib/string.c. Investigating further, I noticed a changeset that removed its export and added it to _ksyms.c on a few more architectures. The justification was that "other arches do it." I think this is wrong, since no architecture currently defines __HAVE_ARCH_STRPBRK, there's no reason for any of them to be exporting it themselves. Therefore, consolidate the export to lib/string.c. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] for_each_possible_cpu: sparc64KAMEZAWA Hiroyuki
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu. for sparc64. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-09[SPARC64]: Set ARCH_SELECT_MEMORY_MODELDavid S. Miller
Otherwise the build breaks with EXPERIMENTAL disabled because SPARSEMEM will not get selected properly. See mm/Kconfig for how that works. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-09[SPARC64]: smp_call_function() fixups...David S. Miller
1) Take doc-book function comment from i386 implementation. 2) cacheline align call_lock, taken from powerpc 3) Need memory barrier after setting call_data 4) Remove timeout Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-09[SPARC64]: Translate PTRACE_GETEVENTMSG for 32-bit tasks.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-09[SPARC64]: Update defconfig.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-09[SPARC64]: Print out return PC in cheetah_log_errors().David S. Miller
This makes debugging things a little bit easier. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-09[SPARC64]: Add dummy PTRACE_PEEKUSR for gdb.David S. Miller
GDB uses a PTRACE_PEEKUSR call with offset 0 to see if a thread is alive, so provide a success return for this particular special case. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-31[SPARC]: Wire up sys_sync_file_range() into syscall tables.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-31[SPARC]: Wire up sys_splice() into the syscall tables.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-31[SPARC64]: Update defconfig.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-31[SPARC64]: Align address in huge_pte_alloc().David S. Miller
We are about to fill in all HPAGE_SIZE's worth of PAGE_SIZE ptes, so we have to give the first pte in that set else we scribble over random memory when we fill in the ptes. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-31[SPARC64]: Document the instruction checks we do in do_sparc64_fault().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-31[SPARC64]: Make tsb_sync() mm comparison more precise.David S. Miller
switch_mm() changes the mm state and does a tsb_context_switch() first, then we do the cpu register state switch which changes current_thread_info() and current(). So it's safer to check the PGD physical address stored in the trap block (which will be updated by the tsb_context_switch() in switch_mm()) than current->active_mm. Technically we should never run here in between those two updates, because interrupts are disabled during the entire context switch operation. But some day we might like to leave interrupts enabled during the context switch and this change allows that to happen without any surprises. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-28[PATCH] RTC: Remove RTC UIP synchronization on Sparc64Matt Mackall
Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix off-by-1 error in TSB grow check.
2006-03-27[PATCH] Notifier chain update: API changesAlan Stern
The kernel's implementation of notifier chains is unsafe. There is no protection against entries being added to or removed from a chain while the chain is in use. The issues were discussed in this thread: http://marc.theaimsgroup.com/?l=linux-kernel&m=113018709002036&w=2 We noticed that notifier chains in the kernel fall into two basic usage classes: "Blocking" chains are always called from a process context and the callout routines are allowed to sleep; "Atomic" chains can be called from an atomic context and the callout routines are not allowed to sleep. We decided to codify this distinction and make it part of the API. Therefore this set of patches introduces three new, parallel APIs: one for blocking notifiers, one for atomic notifiers, and one for "raw" notifiers (which is really just the old API under a new name). New kinds of data structures are used for the heads of the chains, and new routines are defined for registration, unregistration, and calling a chain. The three APIs are explained in include/linux/notifier.h and their implementation is in kernel/sys.c. With atomic and blocking chains, the implementation guarantees that the chain links will not be corrupted and that chain callers will not get messed up by entries being added or removed. For raw chains the implementation provides no guarantees at all; users of this API must provide their own protections. (The idea was that situations may come up where the assumptions of the atomic and blocking APIs are not appropriate, so it should be possible for users to handle these things in their own way.) There are some limitations, which should not be too hard to live with. For atomic/blocking chains, registration and unregistration must always be done in a process context since the chain is protected by a mutex/rwsem. Also, a callout routine for a non-raw chain must not try to register or unregister entries on its own chain. (This did happen in a couple of places and the code had to be changed to avoid it.) Since atomic chains may be called from within an NMI handler, they cannot use spinlocks for synchronization. Instead we use RCU. The overhead falls almost entirely in the unregister routine, which is okay since unregistration is much less frequent that calling a chain. Here is the list of chains that we adjusted and their classifications. None of them use the raw API, so for the moment it is only a placeholder. ATOMIC CHAINS ------------- arch/i386/kernel/traps.c: i386die_chain arch/ia64/kernel/traps.c: ia64die_chain arch/powerpc/kernel/traps.c: powerpc_die_chain arch/sparc64/kernel/traps.c: sparc64die_chain arch/x86_64/kernel/traps.c: die_chain drivers/char/ipmi/ipmi_si_intf.c: xaction_notifier_list kernel/panic.c: panic_notifier_list kernel/profile.c: task_free_notifier net/bluetooth/hci_core.c: hci_notifier net/ipv4/netfilter/ip_conntrack_core.c: ip_conntrack_chain net/ipv4/netfilter/ip_conntrack_core.c: ip_conntrack_expect_chain net/ipv6/addrconf.c: inet6addr_chain net/netfilter/nf_conntrack_core.c: nf_conntrack_chain net/netfilter/nf_conntrack_core.c: nf_conntrack_expect_chain net/netlink/af_netlink.c: netlink_chain BLOCKING CHAINS --------------- arch/powerpc/platforms/pseries/reconfig.c: pSeries_reconfig_chain arch/s390/kernel/process.c: idle_chain arch/x86_64/kernel/process.c idle_notifier drivers/base/memory.c: memory_chain drivers/cpufreq/cpufreq.c cpufreq_policy_notifier_list drivers/cpufreq/cpufreq.c cpufreq_transition_notifier_list drivers/macintosh/adb.c: adb_client_list drivers/macintosh/via-pmu.c sleep_notifier_list drivers/macintosh/via-pmu68k.c sleep_notifier_list drivers/macintosh/windfarm_core.c wf_client_list drivers/usb/core/notify.c usb_notifier_list drivers/video/fbmem.c fb_notifier_list kernel/cpu.c cpu_chain kernel/module.c module_notify_list kernel/profile.c munmap_notifier kernel/profile.c task_exit_notifier kernel/sys.c reboot_notifier_list net/core/dev.c netdev_chain net/decnet/dn_dev.c: dnaddr_chain net/ipv4/devinet.c: inetaddr_chain It's possible that some of these classifications are wrong. If they are, please let us know or submit a patch to fix them. Note that any chain that gets called very frequently should be atomic, because the rwsem read-locking used for blocking chains is very likely to incur cache misses on SMP systems. (However, if the chain's callout routines may sleep then the chain cannot be atomic.) The patch set was written by Alan Stern and Chandra Seetharaman, incorporating material written by Keith Owens and suggestions from Paul McKenney and Andrew Morton. [jes@sgi.com: restructure the notifier chain initialization macros] Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[SPARC64]: Fix off-by-1 error in TSB grow check.David S. Miller
The worst part about this bug is what it would cause a hugepage TSB to be allocated for every address space since "0 >= 0". Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-26[SPARC64]: Kill duplicate exports of string library functions.David S. Miller
Kbuild now points these out. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-26[SPARC64]: Update defconfig.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-26[PATCH] bitops: sparc64: use generic bitopsAkinobu Mita
- remove __{,test_and_}{set,clear,change}_bit() and test_bit() - remove ffz() - remove __ffs() - remove generic_fls() - remove generic_fls64() - remove sched_find_first_bit() - remove ffs() - unless defined(ULTRA_HAS_POPULATION_COUNT) - remove generic_hweight{64,32,16,8}() - remove find_{next,first}{,_zero}_bit() - remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit() - remove minix_{test,set,test_and_clear,test,find_first_zero}_bit() Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] kprobes: fix broken fault handling for sparc64Prasanna S Panchamukhi
Provide proper kprobes fault handling, if a user-specified pre/post handlers tries to access user address space, through copy_from_user(), get_user() etc. The user-specified fault handler gets called only if the fault occurs while executing user-specified handlers. In such a case user-specified handler is allowed to fix it first, later if the user-specifed fault handler does not fix it, we try to fix it by calling fix_exception(). The user-specified handler will not be called if the fault happens when single stepping the original instruction, instead we reset the current probe and allow the system page fault handler to fix it up. I could not test this patch for sparc64. Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] kprobe handler: discard user space trapbibo,mao
Currently kprobe handler traps only happen in kernel space, so function kprobe_exceptions_notify should skip traps which happen in user space. This patch modifies this, and it is based on 2.6.16-rc4. Signed-off-by: bibo mao <bibo.mao@intel.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com> Cc: <hiramatu@sdl.hitachi.co.jp> Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] consolidate sys32/compat_adjtimexStephen Rothwell
Create compat_sys_adjtimex and use it an all appropriate places. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] create struct compat_timex and use it everywhereStephen Rothwell
We had a copy of the compatibility version of struct timex in each 64 bit architecture. This patch just creates a global one and replaces all the usages of the old ones. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Acked-by: Tony Luck <tony.luck@intel.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25[SPARC64]: Keep cpu_present_map in sync with phys_cpu_present_map.David S. Miller
Don't rely on fixup_cpu_present_map() to do this as that function is about to be removed. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-25[PATCH] kconfig: clarify memory debug optionsAndrew Morton
The Kconfig text for CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC have always seemed a bit confusing. Change them to: CONFIG_DEBUG_SLAB: "Debug slab memory allocations" CONFIG_DEBUG_PAGEALLOC: "Debug page memory allocations" Cc: "David S. Miller" <davem@davemloft.net> Cc: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] s/;;/;/gAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-23[PATCH] more for_each_cpu() conversionsAndrew Morton
When we stop allocating percpu memory for not-possible CPUs we must not touch the percpu data for not-possible CPUs at all. The correct way of doing this is to test cpu_possible() or to use for_each_cpu(). This patch is a kernel-wide sweep of all instances of NR_CPUS. I found very few instances of this bug, if any. But the patch converts lots of open-coded test to use the preferred helper macros. Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Cc: Anton Blanchard <anton@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Andi Kleen <ak@muc.de> Cc: Christian Zankel <chris@zankel.net> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: Nathan Scott <nathans@sgi.com> Cc: Jens Axboe <axboe@suse.de> Cc: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-23[PATCH] sparc64: fix set_page_count merge clashNick Piggin
Merge clash will have broken sparc64. Synch up its online_page implementation with powerpc, which was identical until the set_page_count removal. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Add a secondary TSB for hugepage mappings. [SPARC]: Respect vm_page_prot in io_remap_page_range().
2006-03-22[PATCH] hugepage: is_aligned_hugepage_range() cleanupDavid Gibson
Quite a long time back, prepare_hugepage_range() replaced is_aligned_hugepage_range() as the callback from mm/mmap.c to arch code to verify if an address range is suitable for a hugepage mapping. is_aligned_hugepage_range() stuck around, but only to implement prepare_hugepage_range() on archs which didn't implement their own. Most archs (everything except ia64 and powerpc) used the same implementation of is_aligned_hugepage_range(). On powerpc, which implements its own prepare_hugepage_range(), the custom version was never used. In addition, "is_aligned_hugepage_range()" was a bad name, because it suggests it returns true iff the given range is a good hugepage range, whereas in fact it returns 0-or-error (so the sense is reversed). This patch cleans up by abolishing is_aligned_hugepage_range(). Instead prepare_hugepage_range() is defined directly. Most archs use the default version, which simply checks the given region is aligned to the size of a hugepage. ia64 and powerpc define custom versions. The ia64 one simply checks that the range is in the correct address space region in addition to being suitably aligned. The powerpc version (just as previously) checks for suitable addresses, and if necessary performs low-level MMU frobbing to set up new areas for use by hugepages. No libhugetlbfs testsuite regressions on ppc64 (POWER5 LPAR). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: William Lee Irwin III <wli@holomorphy.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] remove set_page_count() outside mm/Nick Piggin
set_page_count usage outside mm/ is limited to setting the refcount to 1. Remove set_page_count from outside mm/, and replace those users with init_page_count() and set_page_refcounted(). This allows more debug checking, and tighter control on how code is allowed to play around with page->_count. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[SPARC64]: Add a secondary TSB for hugepage mappings.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-22[SPARC]: Respect vm_page_prot in io_remap_page_range().David S. Miller
Make sure the callers do a pgprot_noncached() on vma->vm_page_prot. Pointed out by Hugh Dickens. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[SPARC64]: Update defconfig.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[SPARC64]: Fix 2 bugs in huge page support.David S. Miller
1) huge_pte_offset() did not check the page table hierarchy elements as being empty correctly, resulting in an OOPS 2) Need platform specific hugetlb_get_unmapped_area() to handle the top-down vs. bottom-up address space allocation strategies. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[SPARC64]: CONFIG_BLK_DEV_RAM fixAndrew Morton
init/do_mounts_rd.c depends upon CONFIG_BLK_DEV_RAM, not CONFIG_BLK_DEV_INITRD. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>