[Xen-devel] [PATCH v6 0/2] xen/arm: Consolidate make_timer_node and make_timer_domU_node

[Xen-devel] [PATCH v6 0/2] xen/arm: Consolidate make_timer_node and make_timer_domU_node

[Viktor Mitin]

Functions make_timer_node and make_timer_domU_node are quite similar,
so it is better to consolidate them to avoid discrepancy.

This patch series achives this goal in two steps:
- Extend fdt_property_interrupts to deal with other domain than the hwdom.
- Consolidate make_timer_node and make_timer_domU_node into one function:
  make_timer_node(const struct kernel_info *kinfo)

Viktor Mitin (2):
  xen/arm: extend fdt_property_interrupts to support DomU
  xen/arm: consolidate make_timer_node and make_timer_domU_node

 xen/arch/arm/domain_build.c | 122 ++++++++++++++----------------------
 1 file changed, 48 insertions(+), 74 deletions(-)

-- 
2.17.1


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[Xen-devel] [PATCH v6 1/2] xen/arm: extend fdt_property_interrupts to support DomU

[Viktor Mitin]

Extend fdt_property_interrupts to deal with other domain than the hwdom.

The prototype of fdt_property_interrupts() has been modified
to support both hwdom and domU in one function.

This is a preparatory for the next patch which consolidates
make_timer_node and make_timer_domU_node".
Original goal is to consolidate make_timer functions.

Suggested-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Viktor Mitin <viktor_mitin@epam.com>
---
 xen/arch/arm/domain_build.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 4c8404155a..bc7d17dd2c 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -621,17 +621,20 @@ static void __init set_interrupt(gic_interrupt_t interrupt,
  *  "interrupts": contains the list of interrupts
  *  "interrupt-parent": link to the GIC
  */
-static int __init fdt_property_interrupts(void *fdt, gic_interrupt_t *intr,
+static int __init fdt_property_interrupts(const struct kernel_info *kinfo,
+                                          gic_interrupt_t *intr,
                                           unsigned num_irq)
 {
     int res;
+    uint32_t phandle = is_hardware_domain(kinfo->d) ?
+                       dt_interrupt_controller->phandle : GUEST_PHANDLE_GIC;
 
-    res = fdt_property(fdt, "interrupts", intr, sizeof (intr[0]) * num_irq);
+    res = fdt_property(kinfo->fdt, "interrupts",
+                       intr, sizeof (intr[0]) * num_irq);
     if ( res )
         return res;
 
-    res = fdt_property_cell(fdt, "interrupt-parent",
-                            dt_interrupt_controller->phandle);
+    res = fdt_property_cell(kinfo->fdt, "interrupt-parent", phandle);
 
     return res;
 }
@@ -733,7 +736,7 @@ static int __init make_hypervisor_node(struct domain *d,
      *  TODO: Handle properly the cpumask;
      */
     set_interrupt(intr, d->arch.evtchn_irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
-    res = fdt_property_interrupts(fdt, &intr, 1);
+    res = fdt_property_interrupts(kinfo, &intr, 1);
     if ( res )
         return res;
 
@@ -960,8 +963,9 @@ static int __init make_gic_node(const struct domain *d, void *fdt,
     return res;
 }
 
-static int __init make_timer_node(const struct domain *d, void *fdt)
+static int __init make_timer_node(const struct kernel_info *kinfo)
 {
+    void *fdt = kinfo->fdt;
     static const struct dt_device_match timer_ids[] __initconst =
     {
         DT_MATCH_COMPATIBLE("arm,armv7-timer"),
@@ -1016,7 +1020,7 @@ static int __init make_timer_node(const struct domain *d, void *fdt)
     dt_dprintk("  Virt interrupt %u\n", irq);
     set_interrupt(intrs[2], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
 
-    res = fdt_property_interrupts(fdt, intrs, 3);
+    res = fdt_property_interrupts(kinfo, intrs, 3);
     if ( res )
         return res;
 
@@ -1377,7 +1381,7 @@ static int __init handle_node(struct domain *d, struct kernel_info *kinfo,
     if ( device_get_class(node) == DEVICE_GIC )
         return make_gic_node(d, kinfo->fdt, node);
     if ( dt_match_node(timer_matches, node) )
-        return make_timer_node(d, kinfo->fdt);
+        return make_timer_node(kinfo);
 
     /* Skip nodes used by Xen */
     if ( dt_device_used_by(node) == DOMID_XEN )
-- 
2.17.1


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[Xen-devel] [PATCH v6 2/2] xen/arm: consolidate make_timer_node and make_timer_domU_node

[Viktor Mitin]

Functions make_timer_node and make_timer_domU_node are quite similar.
So it is better to consolidate them to avoid discrepancy.
The main difference between the functions is the timer interrupts used.

Keep the domU version for the compatible as it is simpler:
do not copy platform's 'compatible' property into hwdom device tree,
instead set either arm,armv7-timer or arm,armv8-timer,
depending on the platform type.

Keep the hw version for the clock as it is relevant for the both cases.

Suggested-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Viktor Mitin <viktor_mitin@epam.com>
---
v4 updates:
   updated "Keep the domU version for the compatible as it is simpler"

v5 updates:
    - changed 'kept' to 'keep', etc.
    - removed empty line
    - updated indentation of parameters in functions calls
    - fixed NITs
    - updated commit message

v6 updates:
	- move if out of outer "if"
    - add full stop at the end of the last sentence
    - minor rephrase of commit message
---
 xen/arch/arm/domain_build.c | 100 +++++++++++++-----------------------
 1 file changed, 35 insertions(+), 65 deletions(-)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index bc7d17dd2c..b9954d2c3c 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -973,10 +973,8 @@ static int __init make_timer_node(const struct kernel_info *kinfo)
         { /* sentinel */ },
     };
     struct dt_device_node *dev;
-    u32 len;
-    const void *compatible;
     int res;
-    unsigned int irq;
+    unsigned int irq[MAX_TIMER_PPI];
     gic_interrupt_t intrs[3];
     u32 clock_frequency;
     bool clock_valid;
@@ -990,35 +988,47 @@ static int __init make_timer_node(const struct kernel_info *kinfo)
         return -FDT_ERR_XEN(ENOENT);
     }
 
-    compatible = dt_get_property(dev, "compatible", &len);
-    if ( !compatible )
-    {
-        dprintk(XENLOG_ERR, "Can't find compatible property for timer node\n");
-        return -FDT_ERR_XEN(ENOENT);
-    }
-
     res = fdt_begin_node(fdt, "timer");
     if ( res )
         return res;
 
-    res = fdt_property(fdt, "compatible", compatible, len);
+    if ( !is_64bit_domain(kinfo->d) )
+    {
+        res = fdt_property_string(fdt, "compatible", "arm,armv7-timer");
+    }
+    else
+    {
+        res = fdt_property_string(fdt, "compatible", "arm,armv8-timer");
+    }
     if ( res )
         return res;
 
-    /* The timer IRQ is emulated by Xen. It always exposes an active-low
-     * level-sensitive interrupt */
-
-    irq = timer_get_irq(TIMER_PHYS_SECURE_PPI);
-    dt_dprintk("  Secure interrupt %u\n", irq);
-    set_interrupt(intrs[0], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
-
-    irq = timer_get_irq(TIMER_PHYS_NONSECURE_PPI);
-    dt_dprintk("  Non secure interrupt %u\n", irq);
-    set_interrupt(intrs[1], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
+    /*
+     * The timer IRQ is emulated by Xen.
+     * It always exposes an active-low level-sensitive interrupt.
+     */
 
-    irq = timer_get_irq(TIMER_VIRT_PPI);
-    dt_dprintk("  Virt interrupt %u\n", irq);
-    set_interrupt(intrs[2], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
+    if ( is_hardware_domain(kinfo->d) )
+    {
+        irq[TIMER_PHYS_SECURE_PPI] = timer_get_irq(TIMER_PHYS_SECURE_PPI);
+        irq[TIMER_PHYS_NONSECURE_PPI] =
+                                    timer_get_irq(TIMER_PHYS_NONSECURE_PPI);
+        irq[TIMER_VIRT_PPI] = timer_get_irq(TIMER_VIRT_PPI);
+    }
+    else
+    {
+        irq[TIMER_PHYS_SECURE_PPI] = GUEST_TIMER_PHYS_S_PPI;
+        irq[TIMER_PHYS_NONSECURE_PPI] = GUEST_TIMER_PHYS_NS_PPI;
+        irq[TIMER_VIRT_PPI] = GUEST_TIMER_VIRT_PPI;
+    }
+    dt_dprintk("  Secure interrupt %u\n", irq[TIMER_PHYS_SECURE_PPI]);
+    set_interrupt(intrs[0], irq[TIMER_PHYS_SECURE_PPI],
+                  0xf, DT_IRQ_TYPE_LEVEL_LOW);
+    dt_dprintk("  Non secure interrupt %u\n", irq[TIMER_PHYS_NONSECURE_PPI]);
+    set_interrupt(intrs[1], irq[TIMER_PHYS_NONSECURE_PPI],
+                  0xf, DT_IRQ_TYPE_LEVEL_LOW);
+    dt_dprintk("  Virt interrupt %u\n", irq[TIMER_VIRT_PPI]);
+    set_interrupt(intrs[2], irq[TIMER_VIRT_PPI], 0xf, DT_IRQ_TYPE_LEVEL_LOW);
 
     res = fdt_property_interrupts(kinfo, intrs, 3);
     if ( res )
@@ -1603,46 +1613,6 @@ static int __init make_gic_domU_node(const struct domain *d, void *fdt)
     }
 }
 
-static int __init make_timer_domU_node(const struct domain *d, void *fdt)
-{
-    int res;
-    gic_interrupt_t intrs[3];
-
-    res = fdt_begin_node(fdt, "timer");
-    if ( res )
-        return res;
-
-    if ( !is_64bit_domain(d) )
-    {
-        res = fdt_property_string(fdt, "compatible", "arm,armv7-timer");
-        if ( res )
-            return res;
-    }
-    else
-    {
-        res = fdt_property_string(fdt, "compatible", "arm,armv8-timer");
-        if ( res )
-            return res;
-    }
-
-    set_interrupt(intrs[0], GUEST_TIMER_PHYS_S_PPI, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
-    set_interrupt(intrs[1], GUEST_TIMER_PHYS_NS_PPI, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
-    set_interrupt(intrs[2], GUEST_TIMER_VIRT_PPI, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
-
-    res = fdt_property(fdt, "interrupts", intrs, sizeof (intrs[0]) * 3);
-    if ( res )
-        return res;
-
-    res = fdt_property_cell(fdt, "interrupt-parent",
-                            GUEST_PHANDLE_GIC);
-    if (res)
-        return res;
-
-    res = fdt_end_node(fdt);
-
-    return res;
-}
-
 #ifdef CONFIG_SBSA_VUART_CONSOLE
 static int __init make_vpl011_uart_node(const struct domain *d, void *fdt)
 {
@@ -1748,7 +1718,7 @@ static int __init prepare_dtb_domU(struct domain *d, struct kernel_info *kinfo)
     if ( ret )
         goto err;
 
-    ret = make_timer_domU_node(d, kinfo->fdt);
+    ret = make_timer_node(kinfo);
     if ( ret )
         goto err;
 
-- 
2.17.1


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Re: [Xen-devel] [PATCH v6 1/2] xen/arm: extend fdt_property_interrupts to support DomU

[Volodymyr Babchuk]

Hi Viktor,

Viktor Mitin writes:

> Extend fdt_property_interrupts to deal with other domain than the hwdom.
>
> The prototype of fdt_property_interrupts() has been modified
> to support both hwdom and domU in one function.
>
> This is a preparatory for the next patch which consolidates
> make_timer_node and make_timer_domU_node".
> Original goal is to consolidate make_timer functions.
>
> Suggested-by: Julien Grall <julien.grall@arm.com>
> Signed-off-by: Viktor Mitin <viktor_mitin@epam.com>
I believe, Julien already asked you to include changes from previous
versions, so reviewers can track what really changed in the new version
of patches.

Also you need to collect R-b, A-b (and any other) tags that you already
received. But my R-b tag is missing. Which is good in this particular
case, because you have missed change request (see below).

> ---
>  xen/arch/arm/domain_build.c | 20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)
>
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index 4c8404155a..bc7d17dd2c 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -621,17 +621,20 @@ static void __init set_interrupt(gic_interrupt_t interrupt,
>   *  "interrupts": contains the list of interrupts
>   *  "interrupt-parent": link to the GIC
>   */
> -static int __init fdt_property_interrupts(void *fdt, gic_interrupt_t *intr,
> +static int __init fdt_property_interrupts(const struct kernel_info *kinfo,
> +                                          gic_interrupt_t *intr,
>                                            unsigned num_irq)
>  {
>      int res;
> +    uint32_t phandle = is_hardware_domain(kinfo->d) ?
> +                       dt_interrupt_controller->phandle : GUEST_PHANDLE_GIC;
>
> -    res = fdt_property(fdt, "interrupts", intr, sizeof (intr[0]) * num_irq);
> +    res = fdt_property(kinfo->fdt, "interrupts",
> +                       intr, sizeof (intr[0]) * num_irq);
I have missed this, but Andrew Cooper noted that there is extra space
after "sizeof", which is not needed. Please remove it.


>      if ( res )
>          return res;
>
> -    res = fdt_property_cell(fdt, "interrupt-parent",
> -                            dt_interrupt_controller->phandle);
> +    res = fdt_property_cell(kinfo->fdt, "interrupt-parent", phandle);
>
>      return res;
>  }
> @@ -733,7 +736,7 @@ static int __init make_hypervisor_node(struct domain *d,
>       *  TODO: Handle properly the cpumask;
>       */
>      set_interrupt(intr, d->arch.evtchn_irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> -    res = fdt_property_interrupts(fdt, &intr, 1);
> +    res = fdt_property_interrupts(kinfo, &intr, 1);
>      if ( res )
>          return res;
>
> @@ -960,8 +963,9 @@ static int __init make_gic_node(const struct domain *d, void *fdt,
>      return res;
>  }
>
> -static int __init make_timer_node(const struct domain *d, void *fdt)
> +static int __init make_timer_node(const struct kernel_info *kinfo)
>  {
> +    void *fdt = kinfo->fdt;
>      static const struct dt_device_match timer_ids[] __initconst =
>      {
>          DT_MATCH_COMPATIBLE("arm,armv7-timer"),
> @@ -1016,7 +1020,7 @@ static int __init make_timer_node(const struct domain *d, void *fdt)
>      dt_dprintk("  Virt interrupt %u\n", irq);
>      set_interrupt(intrs[2], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
>
> -    res = fdt_property_interrupts(fdt, intrs, 3);
> +    res = fdt_property_interrupts(kinfo, intrs, 3);
>      if ( res )
>          return res;
>
> @@ -1377,7 +1381,7 @@ static int __init handle_node(struct domain *d, struct kernel_info *kinfo,
>      if ( device_get_class(node) == DEVICE_GIC )
>          return make_gic_node(d, kinfo->fdt, node);
>      if ( dt_match_node(timer_matches, node) )
> -        return make_timer_node(d, kinfo->fdt);
> +        return make_timer_node(kinfo);
>
>      /* Skip nodes used by Xen */
>      if ( dt_device_used_by(node) == DOMID_XEN )


--
Volodymyr Babchuk at EPAM
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Re: [Xen-devel] [PATCH v6 2/2] xen/arm: consolidate make_timer_node and make_timer_domU_node

[Volodymyr Babchuk]

Hi Viktor,

Viktor Mitin writes:

> Functions make_timer_node and make_timer_domU_node are quite similar.
> So it is better to consolidate them to avoid discrepancy.
> The main difference between the functions is the timer interrupts used.
>
> Keep the domU version for the compatible as it is simpler:
> do not copy platform's 'compatible' property into hwdom device tree,
> instead set either arm,armv7-timer or arm,armv8-timer,
> depending on the platform type.
>
> Keep the hw version for the clock as it is relevant for the both cases.
>
> Suggested-by: Julien Grall <julien.grall@arm.com>
> Signed-off-by: Viktor Mitin <viktor_mitin@epam.com>
> ---
> v4 updates:
>    updated "Keep the domU version for the compatible as it is simpler"
>
> v5 updates:
>     - changed 'kept' to 'keep', etc.
>     - removed empty line
>     - updated indentation of parameters in functions calls
>     - fixed NITs
>     - updated commit message
>
> v6 updates:
> 	- move if out of outer "if"
>     - add full stop at the end of the last sentence
>     - minor rephrase of commit message
> ---
>  xen/arch/arm/domain_build.c | 100 +++++++++++++-----------------------
>  1 file changed, 35 insertions(+), 65 deletions(-)
>
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index bc7d17dd2c..b9954d2c3c 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -973,10 +973,8 @@ static int __init make_timer_node(const struct kernel_info *kinfo)
>          { /* sentinel */ },
>      };
>      struct dt_device_node *dev;
> -    u32 len;
> -    const void *compatible;
>      int res;
> -    unsigned int irq;
> +    unsigned int irq[MAX_TIMER_PPI];
>      gic_interrupt_t intrs[3];
>      u32 clock_frequency;
>      bool clock_valid;
> @@ -990,35 +988,47 @@ static int __init make_timer_node(const struct kernel_info *kinfo)
>          return -FDT_ERR_XEN(ENOENT);
>      }
>  
> -    compatible = dt_get_property(dev, "compatible", &len);
> -    if ( !compatible )
> -    {
> -        dprintk(XENLOG_ERR, "Can't find compatible property for timer node\n");
> -        return -FDT_ERR_XEN(ENOENT);
> -    }
> -
>      res = fdt_begin_node(fdt, "timer");
>      if ( res )
>          return res;
>  
> -    res = fdt_property(fdt, "compatible", compatible, len);
> +    if ( !is_64bit_domain(kinfo->d) )
> +    {
> +        res = fdt_property_string(fdt, "compatible", "arm,armv7-timer");
> +    }
> +    else
> +    {
> +        res = fdt_property_string(fdt, "compatible", "arm,armv8-timer");
> +    }
This violates coding style:
"
Braces should be omitted for blocks with a single statement. e.g.,

if ( condition )
    single_statement();

"

>      if ( res )
>          return res;
>  
> -    /* The timer IRQ is emulated by Xen. It always exposes an active-low
> -     * level-sensitive interrupt */
> -
> -    irq = timer_get_irq(TIMER_PHYS_SECURE_PPI);
> -    dt_dprintk("  Secure interrupt %u\n", irq);
> -    set_interrupt(intrs[0], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> -
> -    irq = timer_get_irq(TIMER_PHYS_NONSECURE_PPI);
> -    dt_dprintk("  Non secure interrupt %u\n", irq);
> -    set_interrupt(intrs[1], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> +    /*
> +     * The timer IRQ is emulated by Xen.
> +     * It always exposes an active-low level-sensitive interrupt.
> +     */
>  
> -    irq = timer_get_irq(TIMER_VIRT_PPI);
> -    dt_dprintk("  Virt interrupt %u\n", irq);
> -    set_interrupt(intrs[2], irq, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> +    if ( is_hardware_domain(kinfo->d) )
> +    {
> +        irq[TIMER_PHYS_SECURE_PPI] = timer_get_irq(TIMER_PHYS_SECURE_PPI);
> +        irq[TIMER_PHYS_NONSECURE_PPI] =
> +                                    timer_get_irq(TIMER_PHYS_NONSECURE_PPI);
> +        irq[TIMER_VIRT_PPI] = timer_get_irq(TIMER_VIRT_PPI);
> +    }
> +    else
> +    {
> +        irq[TIMER_PHYS_SECURE_PPI] = GUEST_TIMER_PHYS_S_PPI;
> +        irq[TIMER_PHYS_NONSECURE_PPI] = GUEST_TIMER_PHYS_NS_PPI;
> +        irq[TIMER_VIRT_PPI] = GUEST_TIMER_VIRT_PPI;
> +    }
> +    dt_dprintk("  Secure interrupt %u\n", irq[TIMER_PHYS_SECURE_PPI]);
> +    set_interrupt(intrs[0], irq[TIMER_PHYS_SECURE_PPI],
> +                  0xf, DT_IRQ_TYPE_LEVEL_LOW);
> +    dt_dprintk("  Non secure interrupt %u\n", irq[TIMER_PHYS_NONSECURE_PPI]);
> +    set_interrupt(intrs[1], irq[TIMER_PHYS_NONSECURE_PPI],
> +                  0xf, DT_IRQ_TYPE_LEVEL_LOW);
> +    dt_dprintk("  Virt interrupt %u\n", irq[TIMER_VIRT_PPI]);
> +    set_interrupt(intrs[2], irq[TIMER_VIRT_PPI], 0xf, DT_IRQ_TYPE_LEVEL_LOW);
>  
>      res = fdt_property_interrupts(kinfo, intrs, 3);
>      if ( res )
> @@ -1603,46 +1613,6 @@ static int __init make_gic_domU_node(const struct domain *d, void *fdt)
>      }
>  }
>  
> -static int __init make_timer_domU_node(const struct domain *d, void *fdt)
> -{
> -    int res;
> -    gic_interrupt_t intrs[3];
> -
> -    res = fdt_begin_node(fdt, "timer");
> -    if ( res )
> -        return res;
> -
> -    if ( !is_64bit_domain(d) )
> -    {
> -        res = fdt_property_string(fdt, "compatible", "arm,armv7-timer");
> -        if ( res )
> -            return res;
> -    }
> -    else
> -    {
> -        res = fdt_property_string(fdt, "compatible", "arm,armv8-timer");
> -        if ( res )
> -            return res;
> -    }
> -
> -    set_interrupt(intrs[0], GUEST_TIMER_PHYS_S_PPI, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> -    set_interrupt(intrs[1], GUEST_TIMER_PHYS_NS_PPI, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> -    set_interrupt(intrs[2], GUEST_TIMER_VIRT_PPI, 0xf, DT_IRQ_TYPE_LEVEL_LOW);
> -
> -    res = fdt_property(fdt, "interrupts", intrs, sizeof (intrs[0]) * 3);
> -    if ( res )
> -        return res;
> -
> -    res = fdt_property_cell(fdt, "interrupt-parent",
> -                            GUEST_PHANDLE_GIC);
> -    if (res)
> -        return res;
> -
> -    res = fdt_end_node(fdt);
> -
> -    return res;
> -}
> -
>  #ifdef CONFIG_SBSA_VUART_CONSOLE
>  static int __init make_vpl011_uart_node(const struct domain *d, void *fdt)
>  {
> @@ -1748,7 +1718,7 @@ static int __init prepare_dtb_domU(struct domain *d, struct kernel_info *kinfo)
>      if ( ret )
>          goto err;
>  
> -    ret = make_timer_domU_node(d, kinfo->fdt);
> +    ret = make_timer_node(kinfo);
>      if ( ret )
>          goto err;


-- 
Volodymyr Babchuk at EPAM
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