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2008-01-30x86: unify pgtable accessors which useJeremy Fitzhardinge
Make users of supported_pte_mask common. This has the side-effect of introducing the variable for 32-bit non-PAE, but I think its a pretty small cost to simplify the code. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: mask NX from pte_pfnJeremy Fitzhardinge
In 32-bit PAE, mask NX from pte_pfn, since it isn't part of the PFN. This code is due for unification anyway, but this fixes a latent bug. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: unify pagetable accessors, #6Jeremy Fitzhardinge
Unify functions to test and set bits in pagetable entries. NOP: only moves existing code around, without any change to it. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: unify pagetable accessors, #5Ingo Molnar
reorder. NOP. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: unify pagetable accessors, #4Ingo Molnar
add new ops to 32-bit. based on: Subject: x86/pgtable: unify pagetable accessors From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: unify pagetable accessors, #3Ingo Molnar
change the pte_mk inlines to the unified format. Non-NOP! based on: Subject: x86/pgtable: unify pagetable accessors From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: unify pagetable accessors, #2Ingo Molnar
change the pte_dirty/* inlines to the unified format. Non-NOP! based on: Subject: x86/pgtable: unify pagetable accessors From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: unify pagetable accessors, #1Ingo Molnar
based on: Subject: x86/pgtable: unify pagetable accessors From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86/pgtable: fix constant sign extension problemIngo Molnar
based on: Subject: x86/pgtable: fix constant sign extension problem From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move all asm/pgtable constants into one placeJeremy Fitzhardinge
32 and 64-bit use the same flags for pagetable entries, so make them all common. [ mingo@elte.hu: fixes ] Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: add PWT to NOCACHE flagsIngo Molnar
add PWT bit to NOCACHE flags. No real difference to CPUs, but needed later for PAT. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86, ptrace: add bts_struct size to status commandMarkus Metzger
Return the size of bts_struct in the PTRACE_BTS_STATUS command. Change types to u32. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: migration helpers for KVMIngo Molnar
migration helpers for KVM. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: kprobes: add kprobes smoke tests that run on bootAnanth N Mavinakayanahalli
Here is a quick and naive smoke test for kprobes. This is intended to just verify if some unrelated change broke the *probes subsystem. It is self contained, architecture agnostic and isn't of any great use by itself. This needs to be built in the kernel and runs a basic set of tests to verify if kprobes, jprobes and kretprobes run fine on the kernel. In case of an error, it'll print out a message with a "BUG" prefix. This is a start; we intend to add more tests to this bucket over time. Thanks to Jim Keniston and Masami Hiramatsu for comments and suggestions. Tested on x86 (32/64) and powerpc. Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: unify percpu.htravis@sgi.com
Form a single percpu.h from percpu_32.h and percpu_64.h. Both are now pretty small so this is simply adding them together. Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: use generic percpu on 64-bittravis@sgi.com
x86_64 provides an optimized way to determine the local per cpu area offset through the pda and determines the base by accessing a remote pda. Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86_32: use generic percpu.htravis@sgi.com
x86_32 only provides a special way to obtain the local per cpu area offset via x86_read_percpu. Otherwise it can fully use the generic handling. Cc: ak@suse.de Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30percpu: make the asm-generic/percpu.h more "generic"travis@sgi.com
- add support for PER_CPU_ATTRIBUTES - fix generic smp percpu_modcopy to use per_cpu_offset() macro. Add the ability to use generic/percpu even if the arch needs to override several aspects of its operations. This will enable the use of generic percpu.h for all arches. An arch may define: __per_cpu_offset Do not use the generic pointer array. Arch must define per_cpu_offset(cpu) (used by x86_64, s390). __my_cpu_offset Can be defined to provide an optimized way to determine the offset for variables of the currently executing processor. Used by ia64, x86_64, x86_32, sparc64, s/390. SHIFT_PTR(ptr, offset) If an arch defines it then special handling of pointer arithmentic may be implemented. Used by s/390. (Some of these special percpu arch implementations may be later consolidated so that there are less cases to deal with.) Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30percpu: move arch XX_PER_CPU_XX definitions into linux/percpu.htravis@sgi.com
- Special consideration for IA64: Add the ability to specify arch specific per cpu flags - remove .data.percpu attribute from DEFINE_PER_CPU for non-smp case. The arch definitions are all the same. So move them into linux/percpu.h. We cannot move DECLARE_PER_CPU since some include files just include asm/percpu.h to avoid include recursion problems. Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30percpu: use a kconfig variable to signal arch specific percpu setuptravis@sgi.com
The use of the __GENERIC_PERCPU is a bit problematic since arches may want to run their own percpu setup while using the generic percpu definitions. Replace it through a kconfig variable. Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: reboot_{32|64}.c unificationMiguel Boton
reboot_{32|64}.c unification patch. This patch unifies the code from the reboot_32.c and reboot_64.c files. It has been tested in computers with X86_32 and X86_64 kernels and it looks like all reboot modes work fine (EFI restart system hasn't been tested yet). Probably I made some mistakes (like I usually do) so I hope we can identify and fix them soon. Signed-off-by: Miguel Boton <mboton@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30debug: move WARN_ON() out of lineArjan van de Ven
A quick grep shows that there are currently 1145 instances of WARN_ON in the kernel. Currently, WARN_ON is pretty much entirely inlined, which makes it hard to enhance it without growing the size of the kernel (and getting Andrew unhappy). This patch build on top of Olof's patch that introduces __WARN, and places the slowpath out of line. It also uses Ingo's suggestion to not use __FUNCTION__ but to use kallsyms to do the lookup; this saves a ton of extra space since gcc doesn't need to store the function string twice now: 3936367 833603 624736 5394706 525112 vmlinux.before 3917508 833603 624736 5375847 520767 vmlinux-slowpath 15Kb savings... Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> CC: Andrew Morton <akpm@linux-foundation.org> CC: Olof Johansson <olof@lixom.net> Acked-by: Matt Meckall <mpm@selenic.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30debug: introduce __WARN()Olof Johansson
Introduce __WARN() in the generic case, so the generic WARN_ON() can use arch-specific code for when the condition is true. Signed-off-by: Olof Johansson <olof@lixom.net> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: clean up include/asm-x86/calling.hIngo Molnar
clean up include/asm-x86/calling.h. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move things back to their own filesJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199321648 28800 # Node ID 22f6a5902285b58bfc1fbbd9e183498c9017bd78 # Parent bba9287641ff90e836d090d80b5c0a846aab7162 x86: page.h: move things back to their own files Oops, asm/page.h has turned into an #ifdef hellhole. Move 32/64-specific things back to their own headers to make it somewhat comprehensible... Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move remaining bits and piecesJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199319657 28800 # Node ID bba9287641ff90e836d090d80b5c0a846aab7162 # Parent d617b72a0cc9d14bde2087d065c36d4ed3265761 x86: page.h: move remaining bits and pieces Move the remaining odds and ends into page.h. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move pa and va related thingsJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199319656 28800 # Node ID d617b72a0cc9d14bde2087d065c36d4ed3265761 # Parent 3bd7db6e85e66e7f3362874802df26a82fcb2d92 x86: page.h: move pa and va related things Move and unify the virtual<->physical address space conversion functions. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entry, #6Ingo Molnar
based on: Subject: x86: page.h: move and unify types for pagetable entry From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entryJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199319654 28800 # Node ID 3bd7db6e85e66e7f3362874802df26a82fcb2d92 # Parent f7e7db3facd9406545103164f9be8f9ba1a2b549 x86: page.h: move and unify types for pagetable entry definitions This patch: 1. Defines arch-specific types for the contents of a pagetable entry. That is, 32-bit entries for 32-bit non-PAE, and 64-bit entries for 32-bit PAE and 64-bit. However, even though the latter two are the same size, they're defined with different types in order to retain compatibility with printk format strings, etc. 2. Defines arch-specific pte_t. This is different because 32-bit PAE defines it in two halves, whereas 32-bit PAE and 64-bit define it as a single entry. All the other pagetable levels can be defined in a common way. This also defines arch-specific pte_val/make_pte functions. 3. Define PAGETABLE_LEVELS for each architecture variation, for later use. 4. Define common pagetable entry accessors in a paravirt-compatible way. (64-bit does not yet use paravirt-ops in any way). 5. Convert a few instances of using a *_val() as an lvalue where it is no longer a macro. There are still places in the 64-bit code which use pte_val() as an lvalue. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entry, #5Ingo Molnar
based on: Subject: x86: page.h: move and unify types for pagetable entry From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entry, #4Ingo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entry, #3Ingo Molnar
based on: Subject: x86: page.h: move and unify types for pagetable entry From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entry, #2Ingo Molnar
based on: Subject: x86: page.h: move and unify types for pagetable entry From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: move and unify types for pagetable entry, #1Ingo Molnar
based on: Subject: x86: page.h: move and unify types for pagetable entry From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: add _AT() macro to conditionally castJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199317452 28800 # Node ID f7e7db3facd9406545103164f9be8f9ba1a2b549 # Parent 4d9a413a0f4c1d98dbea704f0366457b5117045d x86: add _AT() macro to conditionally cast Define _AT(type, value) to conditionally cast a value when compiling C code, but not when used in assembler. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: unify page copying and clearingJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199317362 28800 # Node ID 4d9a413a0f4c1d98dbea704f0366457b5117045d # Parent ba0ec40a50a7aef1a3153cea124c35e261f5a2df x86: page.h: unify page copying and clearing Move, and to some extent unify, the various page copying and clearing functions. The only unification here is that both architectures use the same function for copying/clearing user and kernel pages. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: page.h: unify constantsJeremy Fitzhardinge
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199317360 28800 # Node ID ba0ec40a50a7aef1a3153cea124c35e261f5a2df # Parent c45c263179cb78284b6b869c574457df088027d1 x86: page.h: unify constants There are many constants which are shared by 32 and 64-bit. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: remove the now unused X86_FEATURE_SYNC_RDTSCAndi Kleen
we need to know whether RDTSC is synchronous or not. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: fix sched_clock()Ingo Molnar
[ andi@firstfloor.org: build fix ] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: remove get_cycles_syncAndi Kleen
rdtsc is now speculation-safe, so no need for the sync variants of the APIs. [ mingo@elte.hu: removed the nsec_barrier() complication. ] Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: map vsyscalls early enoughIngo Molnar
map vsyscalls early enough. This is important if a __vsyscall_fn function is used by other kernel code too. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move native_read_tsc() offlineIngo Molnar
move native_read_tsc() offline. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: introduce rdtsc_barrier()Andi Kleen
rdtsc_barrier() is a new barrier primitive that stops RDTSC speculation to avoid races with timer interrupts on other CPUs. It expands either to LFENCE (for Intel CPUs) or MFENCE (for AMD CPUs) which stops RDTSC on all currently known microarchitectures that implement SSE. On CPUs without SSE there is generally no RDTSC speculation. [ mingo@elte.hu: renamed it to rdtsc_barrier() and made it x86-only ] Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30git-x86: unbreak UMLWANG Cong
Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move nop declarations into separate include fileAndi Kleen
Moving things out of processor.h is always a good thing. Also needed to avoid include loop in later patch. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: Implement support to synchronize RDTSC with LFENCE on Intel CPUsAndi Kleen
According to Intel RDTSC can be always synchronized with LFENCE on all current CPUs. Implement the necessary CPUID bit for that. It is unclear yet if that is true for all future CPUs too, but if there's another way the kernel can be always updated. Cc: asit.k.mallick@intel.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: implement support to synchronize RDTSC through MFENCE on AMD CPUsAndi Kleen
According to AMD RDTSC can be synchronized through MFENCE. Implement the necessary CPUID bit for that. Cc: andreas.herrmann3@amd.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: make ptrace.h safe to include from assembler codeAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: move patching code to arch-specific file.Glauber de Oliveira Costa
The core patching code for paravirt is sufficiently different among i386 and x86_64, and we move them to specific files. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: add CLBR_ defines for 64-bitGlauber de Oliveira Costa
x86_64 needs a potentially larger clobber list than i386, due to its calling convention. So we add more CLBR_ defines for it. Note that CLBR_ANY is different for each of the architectures, since it comprises the notion of "All call clobbers in this architecture" Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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