[RFC PATCH v1 06/10] arch-x86/pmu.h: convert ascii art diagram to Unicode

[Edwin Török <edwin.torok@xxxxxxxxx>]

Using `aa2u` tool.

Signed-off-by: Edwin Török <edwin.torok@xxxxxxxxx>
---
 xen/include/public/arch-x86/pmu.h | 47 ++++++++++++++++---------------
 xen/include/public/pmu.h          |  2 +-
 2 files changed, 25 insertions(+), 24 deletions(-)

diff --git a/xen/include/public/arch-x86/pmu.h 
b/xen/include/public/arch-x86/pmu.h
index bdc8218cbe..92ae4dbb1d 100644
--- a/xen/include/public/arch-x86/pmu.h
+++ b/xen/include/public/arch-x86/pmu.h
@@ -75,8 +75,10 @@ DEFINE_XEN_GUEST_HANDLE(xen_pmu_regs_t);
 #define PMU_SAMPLE_PV      (1<<3) /* Sample from a PV guest */
 
 /*
- * Architecture-specific information describing the state of the guest at
- * the time of a PMU interrupt.
+ * Architecture-specific information describing state of the guest at
+ * the time of PMU interrupt.
+ * Even if the interrupt arrived while inside Xen, this will always contain
+ * the guest's state.
  */
 struct xen_pmu_arch_guest {
     union {
@@ -146,11 +148,10 @@ struct xen_pmu_arch {
 typedef struct xen_pmu_arch xen_pmu_arch_t;
 DEFINE_XEN_GUEST_HANDLE(xen_pmu_arch_t);
 
-
 /* Memory layout:
  *                ╭─────────────────────╮
  *                │ struct xen_pmu_data │
- * ╒══════════════╧═════════════════════╧═══════════════════════╕ ◁╮
+ * ╒══════════════╧═════════════════════╧═══════════════════════╕ ◁│
  * │ vcpu_id                                                    │  │
  * ├────────────────────────────────────────────────────────────┤  │
  * │ pcpu_id                                                    │  │
@@ -207,25 +208,25 @@ DEFINE_XEN_GUEST_HANDLE(xen_pmu_arch_t);
  * ┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆  ┆
  * ┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆┆  ┆
  * │████████████████████████████████████████████████████████████│  │
- * |############################################################|  |
- * |##########.------------------------------.##################|  |
- * |##########| struct xen_pmu_hv_stacktrace |##################|  |
- * +==========+==============================+==================+  |
- * |                              ^ [stacktrace_nr-1]           |  |
- * |                              :                             |  |
- * | stacktrace[stacktrace_nr]    : [0]                         |  |
- * +------------------------------------------------------------+  |
- * | stacktrace_nr                                              |  |
- * +------------------------------------------------------------+  |
- * | guest_domain_id                                            |  |
- * +------------------------------------------------------------+  |
- * |##pad#######################################################|  |
- * +=======+=+===+==================+===========================+  |
- * | guest | | r | regs             |##pad######################|  |
- * +-------. +---. (xen or guest)   |###########################|  |
- * |         +======================+===========================+  |
- * |         |##pad2############################################|  | PAGE_SIZE
- * +=========+==================================================+ <.
+ * │████████████████████████████████████████████████████████████│  │
+ * │██████████╭──────────────────────────────╮██████████████████│  │
+ * │██████████│ struct xen_pmu_hv_stacktrace │██████████████████│  │
+ * ╞══════════╧══════════════════════════════╧══════════════════╡  │
+ * │                              △ [stacktrace_nr-1]           │  │
+ * │                              ┆                             │  │
+ * │ stacktrace[stacktrace_nr]    ┆ [0]                         │  │
+ * ├────────────────────────────────────────────────────────────┤  │
+ * │ stacktrace_nr                                              │  │
+ * ├────────────────────────────────────────────────────────────┤  │
+ * │ guest_domain_id                                            │  │
+ * ├────────────────────────────────────────────────────────────┤  │
+ * │██pad███████████████████████████████████████████████████████│  │
+ * ╞═══════╤═╤═══╤══════════════════╤═══════════════════════════╡  │
+ * │ guest │ │ r │ regs             │██pad██████████████████████│  │
+ * ├───────╯ ├───╯ (xen or guest)   │███████████████████████████│  │
+ * │         ╞══════════════════════╧═══════════════════════════╡  │
+ * │         │██pad2████████████████████████████████████████████│  │ PAGE_SIZE
+ * ╘═════════╧══════════════════════════════════════════════════╛ ◁╯
 */
 
 #endif /* __XEN_PUBLIC_ARCH_X86_PMU_H__ */
diff --git a/xen/include/public/pmu.h b/xen/include/public/pmu.h
index 1879914ea6..6366a79169 100644
--- a/xen/include/public/pmu.h
+++ b/xen/include/public/pmu.h
@@ -148,7 +148,7 @@ struct xen_pmu_hv_stacktrace {
     * arrives while in Xen.
     * */
     struct xen_pmu_arch_guest guest;
-#define XEN_PMU_STACKTRACE_PAD 48
+#define XEN_PMU_STACKTRACE_PAD 56
     uint8_t pad2[XEN_PMU_STACKTRACE_PAD];
 };
 
-- 
2.47.1