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| author |   David S. Miller <davem@davemloft.net> | 2018-01-09 10:37:00 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-09 10:37:00 -0500 |
| commit | a0ce093180f2bbb832b3f5583adc640ad67ea568 (patch) | |
| tree | 62c9aca5be3566ea4810e4584a02870de8b953f8 /arch/x86/include/asm/cpu_entry_area.h | |
| parent | net: tipc: remove unused hardirq.h (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-a0ce093180f2bbb832b3f5583adc640ad67ea568.tar.xz linux-dev-a0ce093180f2bbb832b3f5583adc640ad67ea568.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/x86/include/asm/cpu_entry_area.h')
| -rw-r--r-- | arch/x86/include/asm/cpu_entry_area.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu_entry_area.h b/arch/x86/include/asm/cpu_entry_area.h index 2fbc69a0916e..4a7884b8dca5 100644 --- a/arch/x86/include/asm/cpu_entry_area.h +++ b/arch/x86/include/asm/cpu_entry_area.h @@ -5,6 +5,7 @@ #include <linux/percpu-defs.h> #include <asm/processor.h> +#include <asm/intel_ds.h> /* * cpu_entry_area is a percpu region that contains things needed by the CPU @@ -40,6 +41,18 @@ struct cpu_entry_area { */ char exception_stacks[(N_EXCEPTION_STACKS - 1) * EXCEPTION_STKSZ + DEBUG_STKSZ]; #endif +#ifdef CONFIG_CPU_SUP_INTEL + /* + * Per CPU debug store for Intel performance monitoring. Wastes a + * full page at the moment. + */ + struct debug_store cpu_debug_store; + /* + * The actual PEBS/BTS buffers must be mapped to user space + * Reserve enough fixmap PTEs. + */ + struct debug_store_buffers cpu_debug_buffers; +#endif }; #define CPU_ENTRY_AREA_SIZE (sizeof(struct cpu_entry_area)) |