forked from Minki/linux
powerpc: Move cpu_has_feature() to a separate file
We plan to use jump label for cpu_has_feature(). In order to implement this we need to include the linux/jump_label.h in asm/cputable.h. Unfortunately if we do that it leads to an include loop. The root of the problem seems to be that reg.h needs cputable.h (for CPU_FTRs), and then cputable.h via jump_label.h eventually pulls in hw_irq.h which needs reg.h (for MSR_EE). So move cpu_has_feature() to a separate file on its own. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> [mpe: Rename to cpu_has_feature.h and flesh out change log] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -24,6 +24,7 @@
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#include <asm/book3s/64/pgtable.h>
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#include <asm/bug.h>
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#include <asm/processor.h>
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#include <asm/cpu_has_feature.h>
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/*
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* SLB
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@ -11,6 +11,7 @@
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#include <linux/mm.h>
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#include <asm/cputable.h>
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#include <asm/cpu_has_feature.h>
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/*
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* No cache flushing is required when address mappings are changed,
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20
arch/powerpc/include/asm/cpu_has_feature.h
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20
arch/powerpc/include/asm/cpu_has_feature.h
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@ -0,0 +1,20 @@
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#ifndef __ASM_POWERPC_CPUFEATURES_H
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#define __ASM_POWERPC_CPUFEATURES_H
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#ifndef __ASSEMBLY__
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#include <asm/cputable.h>
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static inline bool early_cpu_has_feature(unsigned long feature)
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{
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return !!((CPU_FTRS_ALWAYS & feature) ||
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(CPU_FTRS_POSSIBLE & cur_cpu_spec->cpu_features & feature));
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}
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static inline bool cpu_has_feature(unsigned long feature)
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{
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return early_cpu_has_feature(feature);
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}
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_POWERPC_CPUFEATURE_H */
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@ -577,17 +577,6 @@ enum {
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};
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#endif /* __powerpc64__ */
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static inline bool early_cpu_has_feature(unsigned long feature)
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{
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return !!((CPU_FTRS_ALWAYS & feature) ||
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(CPU_FTRS_POSSIBLE & cur_cpu_spec->cpu_features & feature));
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}
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static inline bool cpu_has_feature(unsigned long feature)
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{
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return early_cpu_has_feature(feature);
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}
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#define HBP_NUM 1
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#endif /* !__ASSEMBLY__ */
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@ -28,6 +28,7 @@ static inline void setup_cputime_one_jiffy(void) { }
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#include <asm/div64.h>
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#include <asm/time.h>
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#include <asm/param.h>
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#include <asm/cpu_has_feature.h>
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typedef u64 __nocast cputime_t;
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typedef u64 __nocast cputime64_t;
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@ -16,6 +16,7 @@
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#include <linux/threads.h>
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#include <asm/ppc-opcode.h>
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#include <asm/cpu_has_feature.h>
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#define PPC_DBELL_MSG_BRDCAST (0x04000000)
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#define PPC_DBELL_TYPE(x) (((x) & 0xf) << (63-36))
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@ -24,6 +24,7 @@
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#include <linux/spinlock.h>
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#include <asm/cputable.h>
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#include <asm/cpu_has_feature.h>
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typedef struct {
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unsigned int base;
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@ -13,6 +13,7 @@
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#include <asm/cputable.h>
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#include <linux/mm.h>
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#include <asm/cpu_has_feature.h>
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/*
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* This file is included by linux/mman.h, so we can't use cacl_vm_prot_bits()
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@ -18,6 +18,7 @@
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#include <linux/percpu.h>
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#include <asm/processor.h>
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#include <asm/cpu_has_feature.h>
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/* time.c */
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extern unsigned long tb_ticks_per_jiffy;
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@ -23,6 +23,7 @@
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#ifdef CONFIG_ALTIVEC
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#include <asm/cputable.h>
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#include <asm/cpu_has_feature.h>
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void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
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unsigned long *v2_in);
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@ -26,6 +26,7 @@
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#include <asm/emulated_ops.h>
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#include <asm/switch_to.h>
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#include <asm/disassemble.h>
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#include <asm/cpu_has_feature.h>
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struct aligninfo {
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unsigned char len;
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@ -75,6 +75,7 @@
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#endif
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#define CREATE_TRACE_POINTS
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#include <asm/trace.h>
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#include <asm/cpu_has_feature.h>
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DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
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EXPORT_PER_CPU_SYMBOL(irq_stat);
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@ -58,6 +58,7 @@
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#include <asm/code-patching.h>
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#include <asm/exec.h>
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#include <asm/livepatch.h>
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#include <asm/cpu_has_feature.h>
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#include <linux/kprobes.h>
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#include <linux/kdebug.h>
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@ -66,6 +66,7 @@
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#include <asm/hugetlb.h>
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#include <asm/livepatch.h>
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#include <asm/mmu_context.h>
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#include <asm/cpu_has_feature.h>
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#include "setup.h"
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@ -37,6 +37,7 @@
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#include <asm/serial.h>
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#include <asm/udbg.h>
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#include <asm/code-patching.h>
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#include <asm/cpu_has_feature.h>
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#define DBG(fmt...)
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@ -55,6 +55,7 @@
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#include <asm/debug.h>
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#include <asm/kexec.h>
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#include <asm/asm-prototypes.h>
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#include <asm/cpu_has_feature.h>
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#ifdef DEBUG
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#include <asm/udbg.h>
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@ -35,6 +35,7 @@
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#include <asm/pgtable.h>
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#include <asm/reg.h>
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#include <asm/cell-regs.h>
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#include <asm/cpu_has_feature.h>
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#include "pervasive.h"
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@ -20,6 +20,7 @@ along with this file; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#include <asm/cputable.h>
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#include <asm/cpu_has_feature.h>
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#include "nonstdio.h"
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#include "ansidecl.h"
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#include "ppc.h"
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