microblaze: Fix IRQ entry/exit ftracing
Function traces on Microblaze don't include IRQ entry and exit arrows, i.e. 0) | memcpy_toiovec() { 0) ==========> | 0) | do_IRQ() { ... 0) <========== | 0) ! 5414.000 us | } ...because do_IRQ() doesn't have the proper attributes. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
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1 changed files with 2 additions and 1 deletions
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@ -9,6 +9,7 @@
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*/
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*/
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/ftrace.h>
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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#include <linux/hardirq.h>
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#include <linux/hardirq.h>
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#include <linux/interrupt.h>
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#include <linux/interrupt.h>
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@ -32,7 +33,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
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static u32 concurrent_irq;
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static u32 concurrent_irq;
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void do_IRQ(struct pt_regs *regs)
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void __irq_entry do_IRQ(struct pt_regs *regs)
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{
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{
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unsigned int irq;
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unsigned int irq;
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struct pt_regs *old_regs = set_irq_regs(regs);
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struct pt_regs *old_regs = set_irq_regs(regs);
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