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2006-12-06[IRDA] irlan: Fix compile warning when CONFIG_PROC_FS=nRandy Dunlap
include/net/irda/irlan_filter.h:31: warning: 'struct seq_file' declared inside parameter list include/net/irda/irlan_filter.h:31: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-06[NETFILTER]: nf_conntrack: fix warning in PPTP helperYasuyuki Kozakai
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-06[CRYPTO] lib: table driven multiplications in GF(2^128)Rik Snel
A lot of cypher modes need multiplications in GF(2^128). LRW, ABL, GCM... I use functions from this library in my LRW implementation and I will also use them in my ABL (Arbitrary Block Length, an unencumbered (correct me if I am wrong, wide block cipher mode). Elements of GF(2^128) must be presented as u128 *, it encourages automatic and proper alignment. The library contains support for two different representations of GF(2^128), see the comment in gf128mul.h. There different levels of optimization (memory/speed tradeoff). The code is based on work by Dr Brian Gladman. Notable changes: - deletion of two optimization modes - change from u32 to u64 for faster handling on 64bit machines - support for 'bbe' representation in addition to the, already implemented, 'lle' representation. - move 'inline void' functions from header to 'static void' in the source file - update to use the linux coding style conventions The original can be found at: http://fp.gladman.plus.com/AES/modes.vc8.19-06-06.zip The copyright (and GPL statement) of the original author is preserved. Signed-off-by: Rik Snel <rsnel@cube.dyndns.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-12-06[CRYPTO] lib: some common 128-bit block operations, nicely centralizedRik Snel
128bit is a common blocksize in linux kernel cryptography, so it helps to centralize some common operations. The code, while mostly trivial, is based on a header file mode_hdr.h in http://fp.gladman.plus.com/AES/modes.vc8.19-06-06.zip The original copyright (and GPL statement) of the original author, Dr Brian Gladman, is preserved. Signed-off-by: Rik Snel <rsnel@cube.dyndns.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-12-06[CRYPTO] api: Remove unused functionsAdrian Bunk
This patch removes the following no longer used functions: - api.c: crypto_alg_available() - digest.c: crypto_digest_init() - digest.c: crypto_digest_update() - digest.c: crypto_digest_final() - digest.c: crypto_digest_digest() Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-12-06[IPSEC]: Add support for AES-XCBC-MACKazunori MIYAZAWA
The glue of xfrm. Signed-off-by: Kazunori MIYAZAWA <miyazawa@linux-ipv6.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-12-06[GENETLINK]: Move command capabilities to flags.Jamal Hadi Salim
This patch moves command capabilities to command flags. Other than being cleaner, saves several bytes. We increment the nlctrl version so as to signal to user space that to not expect the attributes. We will try to be careful not to do this too often ;-> Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-07[PATCH] unwinder: move .eh_frame to RODATAJan Beulich
The .eh_frame section contents is never written to, so it can as well benefit from CONFIG_DEBUG_RODATA. Diff-ed against firstfloor tree. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: replace kmalloc+memset with kzallocBurman Yan
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: remove remaining pc98 codeAdrian Bunk
Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: Fix constraints in atomic_add_return()Andi Kleen
Following i386 from Duncan Sands Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: fix asm constraints in i386 atomic_add_returnDuncan Sands
Since v->counter is both read and written, it should be an output as well as an input for the asm. The current code only gets away with this because counter is volatile. Also, according to Documents/atomic_ops.txt, atomic_add_return should provide a memory barrier, in particular a compiler barrier, so the asm should be marked as clobbering memory. Test case: #include <stdio.h> typedef struct { int counter; } atomic_t; /* NB: no "volatile" */ #define ATOMIC_INIT(i) { (i) } #define atomic_read(v) ((v)->counter) static __inline__ int atomic_add_return(int i, atomic_t *v) { int __i = i; __asm__ __volatile__( "lock; xaddl %0, %1;" :"=r"(i) :"m"(v->counter), "0"(i)); /* __asm__ __volatile__( "lock; xaddl %0, %1" :"+r" (i), "+m" (v->counter) : : "memory"); */ return i + __i; } int main (void) { atomic_t a = ATOMIC_INIT(0); int x; x = atomic_add_return (1, &a); if ((x!=1) || (atomic_read(&a)!=1)) printf("fail: %i, %i\n", x, atomic_read(&a)); } Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] x86-64: include/asm-x86_64/cpufeature.h isn't a userspace headerAdrian Bunk
Nothing in include/asm-x86_64/cpufeature.h is part of the userspace<->kernel interface. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: Fix interrupt race in idle callback (3rd try)Venkatesh Pallipadi
Idle callbacks has some races when enter_idle() sets isidle and subsequent interrupts that can happen on that CPU, before CPU goes to idle. Due to this, an IDLE_END can get called before IDLE_START. To avoid these races, disable interrupts before enter_idle and make sure that all idle routines do not enable interrupts before entering idle. Note that poll_idle() still has a this race as it has to enable interrupts before going to idle. But, all other idle routines have the race fixed. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] unwinder: more sanity checks in Dwarf2 unwinderJan Beulich
Tighten the requirements on both input to and output from the Dwarf2 unwinder. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: always enable regparmAdrian Bunk
-mregparm=3 has been enabled by default for some time on i386, and AFAIK there aren't any problems with it left. This patch removes the REGPARM config option and sets -mregparm=3 unconditionally. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86: add sysctl for kstack_depth_to_printChuck Ebbert
Add sysctl for kstack_depth_to_print. This lets users change the amount of raw stack data printed in dump_stack() without having to reboot. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: Fix comments for MSR_FS_BASE and MSR_GS_BASE.Wink Saville
The comments for MSR_FS_BASE & MSR_GS_BASE were transposed. Signed-off-by: Wink Saville <wink@saville.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: Preserve EFI run time regions with memmap parameterArtiom Myaskouvskey
When using memmap kernel parameter in EFI boot we should also add to memory map memory regions of runtime services to enable their mapping later. AK: merged and cleaned up the patch Signed-off-by: Artiom Myaskouvskey <artiom.myaskouvskey@intel.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: i386 add Intel BTS cpufeature bit and detection (take 2)Stephane Eranian
Here is a small patch for i386 which adds a cpufeature flag and detection code for Intel's Branch Trace Store (BTS) feature. This feature can be found on Intel P4 and Core 2 processors among others. It can also be used by perfmon. changelog: - add CPU_FEATURE_BTS - add Branch Trace Store detection signed-off-by: stephane eranian <eranian@hpl.hp.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: x86-64 add Intel BTS cpufeature bit and detection (take 2)Stephane Eranian
Here is a small patch for x86-64 which adds a cpufeature flag and detection code for Intel's Branch Trace Store (BTS) feature. This feature can be found on Intel P4 and Core 2 processors among others. It can also be used by perfmon. changelog: - add CPU_FEATURE_BTS - add Branch Trace Store detection signed-off-by: stephane eranian <eranian@hpl.hp.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: call efi_get_time during suspendArtiom Myaskouvskey
Function efi_get_time called not only during init kernel phase but also during suspend (from get_cmos_time). When it is called from get_cmos_time the corresponding runtime service should be called in virtual and not in physical mode. Signed-off-by: Artiom Myaskouvskey <artiom.myaskouvskey@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: "Narayanan, Chandramouli" <chandramouli.narayanan@intel.com> Cc: "Jiossy, Rami" <rami.jiossy@intel.com> Cc: "Satt, Shai" <shai.satt@intel.com> Cc: Andi Kleen <ak@suse.de> Cc: Matt Domsch <Matt_Domsch@dell.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] x86: fix the irqbalance quirk for E7320/E7520/E7525Siddha, Suresh B
Move the irqbalance quirks for E7320/E7520/E7525(Errata 23 in http://download.intel.com/design/chipsets/specupdt/30304203.pdf) to early quirks. And add a PCI quirk for these platforms to check(which happens very late during the boot) if the APIC routing is indeed set to default flat mode. This fixes the breakage(in x86_64) of this quirk due to cpu hotplug which selects physical mode instead of the logical flat(as needed for this errata workaround). Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: "Li, Shaohua" <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] x86-64: add genapic_forceSiddha, Suresh B
Add genapic_force. Used by the next Intel quirks patch. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: "Li, Shaohua" <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] i386: change the 'no_control' field to 'hotpluggable' in the struct cpuSiddha, Suresh B
Change the 'no_control' field in the cpu struct to a more positive and better term 'hotpluggable'. And change(/cleanup) the logic accordingly. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: "Li, Shaohua" <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] i386: introduce the mechanism of disabling cpu hotplug controlSiddha, Suresh B
Add 'enable_cpu_hotplug' flag and when cleared, the hotplug control file ("online") will not be added under /sys/devices/system/cpu/cpuX/ Next patch doing PCI quirks will use this. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: "Li, Shaohua" <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] x86: add write_pci_config_byte() to direct PCI access routinesSiddha, Suresh B
Mechanism of selecting physical mode in genapic when cpu hotplug is enabled on x86_64, broke the quirk(quirk_intel_irqbalance()) introduced for working around the transposing interrupt message errata in E7520/E7320/E7525 (revision ID 0x9 and below. errata #23 in http://download.intel.com/design/chipsets/specupdt/30304203.pdf). This errata requires the mode to be in logical flat, so that interrupts can be directed to more than one cpu(and thus use hardware IRQ balancing enabled by BIOS on these platforms). Following four patches fixes this by moving the quirk to early quirk and forcing the x86_64 genapic selection to logical flat on these platforms. Thanks to Shaohua for pointing out the breakage. This patch: Add write_pci_config_byte() to direct PCI access routines Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: "Li, Shaohua" <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] x86-64: adjust pmd_bad()Jan Beulich
Make pmd_bad() symmetrical to pgd_bad() and pud_bad(). At once, simplify them all. TBD: tighten down the checks again as suggested by Hugh D. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: remove prototype of free_bootmem_generic()Jan Beulich
The function doesn't exist (anymore). Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] x86-64: fix perms/range of vsyscall vma in /proc/*/mapsErnie Petrides
The final line of /proc/<pid>/maps on x86_64 for native 64-bit tasks shows an incorrect ending address and incorrect permissions. There is only a single page mapped in this vsyscall region, and it is accessible for both read and execute. The patch below fixes this. (Since 32-bit-compat tasks have a real vma with correct perms/range, no change is necessary for that scenario.) Before the patch, a "cat /proc/self/maps | tail -1" shows this: ffffffffff600000-ffffffffffe00000 ---p 00000000 [...] After the patch, this is the output: ffffffffff600000-ffffffffff601000 r-xp 00000000 [...] Signed-off-by: Ernie Petrides <petrides@redhat.com> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: Add support for compilation for Core2Andi Kleen
gcc doesn't support -mtune=core2 yet, but will be soon. Use -mtune=generic or -mtune=i686 as fallback TBD need benchmarking for INTEL_USERCOPY etc. So far I used the same defaults as MPENTIUMM Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] paravirt: fix missing pte updateZachary Amsden
The function ptep_get_and_clear uses an atomic instruction sequence to get and clear an active pte. Rather than add such an atomic operator to all virtual machine implementations in paravirt-ops, it is easier to support the raw atomic sequence and use either a trapping writable pagetable approach, or a post-update notification. For the post update notification, we require the pte_update function to be called after the access. Combine the 2-level and 3-level paging operators into one common function which does the post-update notification, and rename the actual atomic sequences to raw_ptep_xxx operators. Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@muc.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: fix parameter names in mmu operationsZachary Amsden
Make parameter names match function argument names for the yet to be defined pte_update_defer accessor. Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@muc.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: Preparatory mmu header movementZachary Amsden
Move header includes for the nopud / nopmd types to the location of the actual pte / pgd type definitions. This allows generic 4-level page type code to be written before the split 2/3 level page table headers are included. Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@muc.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: Add MMU virtualization to paravirt_opsRusty Russell
Add the three bare TLB accessor functions to paravirt-ops. Most amusingly, flush_tlb is redefined on SMP, so I can't call the paravirt op flush_tlb. Instead, I chose to indicate the actual flush type, kernel (global) vs. user (non-global). Global in this sense means using the global bit in the page table entry, which makes TLB entries persistent across CR3 reloads, not global as in the SMP sense of invoking remote shootdowns, so the term is confusingly overloaded. AK: folded in fix from Zach for PAE compilation Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: Add APIC accessors to paravirt-ops.Rusty Russell
Add APIC accessors to paravirt-ops. Unfortunately, we need two write functions, as some older broken hardware requires workarounds for Pentium APIC errata - this is the purpose of apic_write_atomic. AK: replaced __inline with inline Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: Allow selected bug checks to beRusty Russell
Allow selected bug checks to be skipped by paravirt kernels. The two most important are the F00F workaround (which is either done by the hypervisor, or not required), and the 'hlt' instruction check, which can break under some hypervisors. Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: Add startup infrastructure for paravirtualizationRusty Russell
1) Each hypervisor writes a probe function to detect whether we are running under that hypervisor. paravirt_probe() registers this function. 2) If vmlinux is booted with ring != 0, we call all the probe functions (with registers except %esp intact) in link order: the winner will not return. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] i386: cpu_detect extractionRusty Russell
Both lhype and Xen want to call the core of the x86 cpu detect code before calling start_kernel. (extracted from larger patch) AK: folded in start_kernel header patch Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: Patch inline replacements for paravirt interceptsRusty Russell
It turns out that the most called ops, by several orders of magnitude, are the interrupt manipulation ops. These are obvious candidates for patching, so mark them up and create infrastructure for it. The method used is that the ops structure has a patch function, which is called for each place which needs to be patched: this returns a number of instructions (the rest are NOP-padded). Usually we can spare a register (%eax) for the binary patched code to use, but in a couple of critical places in entry.S we can't: we make the clobbers explicit at the call site, and manually clobber the allowed registers in debug mode as an extra check. And: Don't abuse CONFIG_DEBUG_KERNEL, add CONFIG_DEBUG_PARAVIRT. And: AK: Fix warnings in x86-64 alternative.c build And: AK: Fix compilation with defconfig And: ^From: Andrew Morton <akpm@osdl.org> Some binutlises still like to emit references to __stop_parainstructions and __start_parainstructions. And: AK: Fix warnings about unused variables when PARAVIRT is disabled. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] paravirt: header and stubs for paravirtualisationRusty Russell
Create a paravirt.h header for all the critical operations which need to be replaced with hypervisor calls, and include that instead of defining native operations, when CONFIG_PARAVIRT. This patch does the dumbest possible replacement of paravirtualized instructions: calls through a "paravirt_ops" structure. Currently these are function implementations of native hardware: hypervisors will override the ops structure with their own variants. All the pv-ops functions are declared "fastcall" so that a specific register-based ABI is used, to make inlining assember easier. And: +From: Andy Whitcroft <apw@shadowen.org> The paravirt ops introduce a 'weak' attribute onto memory_setup(). Code ordering leads to the following warnings on x86: arch/i386/kernel/setup.c:651: warning: weak declaration of `memory_setup' after first use results in unspecified behavior Move memory_setup() to avoid this. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andy Whitcroft <apw@shadowen.org>
2006-12-07[PATCH] x86: comment magic constants in delay.hPaolo 'Blaisorblade' Giarrusso
For both i386 and x86_64, copy from arch/$ARCH/lib/delay.c comments about the used magic constants, plus a few other niceties. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andi Kleen <ak@suse.de> include/asm-i386/delay.h | 5 ++++- include/asm-x86_64/delay.h | 5 ++++- 2 files changed, 8 insertions(+), 2 deletions(-)
2006-12-07[PATCH] x86-64: Make x86_64 udelay() round up instead of down.Paolo 'Blaisorblade' Giarrusso
Port two patches from i386 to x86_64 delay.c to make sure all rounding is done upward instead of downward. There is no sign in commit messages that the mismatch was done on purpose, and "delay() guarantees sleeping at least for the specified time" is still a valid rule IMHO. The original x86 patches are both from pre-GIT era, i.e.: "[PATCH] round up in __udelay()" in commit 54c7e1f5cc6771ff644d7bc21a2b829308bd126f "[PATCH] add 1 in __const_udelay()" in commit 42c77a9801b8877d8b90f65f75db758822a0bccc (both commits are from converted BK repository to x86_64). AK: fixed gcc warning linux/arch/x86_64/lib/delay.c:43: warning: suggest parentheses around + or - inside shift (did this actually work?) Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] Calgary: allow compiling Calgary in but not using it by defaultMuli Ben-Yehuda
This patch makes it possible to compile Calgary in but not use it by default. In this mode, use 'iommu=calgary' to activate it. Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] Calgary: check BBAR ioremap success when ioremappingMuli Ben-Yehuda
This patch cleans up the previous "Use BIOS supplied BBAR information" patch. Mostly stylistic clenaups, but also check for ioremap failure when we ioremap the BBAR rather than when trying to use it. Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Laurent Vivier <Laurent.Vivier@bull.net>
2006-12-07[PATCH] Calgary: use BIOS supplied BBARs and topology informationLaurent Vivier
Find the BBAR register address of each Calgary using the "Extended BIOS Data Area" rather than calculating it ourselves. Also get the bus topology (what PHB each bus is on) from Calgary rather than calculating it ourselves. This patch fixes http://bugzilla.kernel.org/show_bug.cgi?id=7407. Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net> Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] i386: Move memory map printing and other code to e820.cbibo,mao
This patch moves e820 memory map print and memmap boot param parsing function from setup.c to e820.c, also adds limit_regions and print_memory_map declaration in header file. Signed-off-by: bibo,mao <bibo.mao@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> arch/i386/kernel/e820.c | 152 +++++++++++++++++++++++++++ arch/i386/kernel/setup.c | 158 --------------------------------- include/asm-i386/e820.h | 2 arch/i386/kernel/e820.c | 152 ++++++++++++++++++++++++++++++++++++++++++++++ arch/i386/kernel/setup.c | 153 ----------------------------------------------- include/asm-i386/e820.h | 2 3 files changed, 155 insertions(+), 152 deletions(-)
2006-12-07[PATCH] i386: Move e820/efi memmap walking code to e820.cbibo,mao
This patch moves e820/efi memmap table walking function from setup.c to e820.c, also this patch adds extern declaration in header file. Signed-off-by: bibo,mao <bibo.mao@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> arch/i386/kernel/e820.c | 115 +++++++++++++++++++++++++++++++++ arch/i386/kernel/setup.c | 118 ----------------------------------- include/asm-i386/e820.h | 2 arch/i386/kernel/e820.c | 115 +++++++++++++++++++++++++++++++++++++++++++++ arch/i386/kernel/setup.c | 118 ----------------------------------------------- include/asm-i386/e820.h | 2 3 files changed, 117 insertions(+), 118 deletions(-)
2006-12-07[PATCH] i386: Move find_max_pfn function to e820.cbibo,mao
Move more code from setup.c into e820.c Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andi Kleen <ak@suse.de>
2006-12-07[PATCH] Generic: Move __user cast into probe_kernel_addressAndi Kleen
Caller of probe_kernel_address shouldn't need to know that pka is internally implemented with __get_user. So move the __user cast into pka. Signed-off-by: Andi Kleen <ak@suse.de>