[Xen-devel] [PATCH v5 4/7] xen/arm: early_print_info print reserved_mem

Stefano Stabellini posted 7 patches 6 years, 3 months ago
There is a newer version of this series
[Xen-devel] [PATCH v5 4/7] xen/arm: early_print_info print reserved_mem
Posted by Stefano Stabellini 6 years, 3 months ago
Improve early_print_info to also print the banks saved in
bootinfo.reserved_mem. Print them right after RESVD, increasing the same
index.

Since we are at it, also switch the existing RESVD print to use unsigned
int.

Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
---
Changes in v5:
- switch to unsigned

Changes in v4:
- new patch
---
 xen/arch/arm/bootfdt.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/bootfdt.c b/xen/arch/arm/bootfdt.c
index 0b0e22a3d0..32153e6207 100644
--- a/xen/arch/arm/bootfdt.c
+++ b/xen/arch/arm/bootfdt.c
@@ -337,9 +337,10 @@ static int __init early_scan_node(const void *fdt,
 static void __init early_print_info(void)
 {
     struct meminfo *mi = &bootinfo.mem;
+    struct meminfo *mem_resv = &bootinfo.reserved_mem;
     struct bootmodules *mods = &bootinfo.modules;
     struct bootcmdlines *cmds = &bootinfo.cmdlines;
-    int i, nr_rsvd;
+    unsigned int i, j, nr_rsvd;
 
     for ( i = 0; i < mi->nr_banks; i++ )
         printk("RAM: %"PRIpaddr" - %"PRIpaddr"\n",
@@ -361,9 +362,15 @@ static void __init early_print_info(void)
             continue;
         /* fdt_get_mem_rsv returns length */
         e += s;
-        printk(" RESVD[%d]: %"PRIpaddr" - %"PRIpaddr"\n",
+        printk(" RESVD[%u]: %"PRIpaddr" - %"PRIpaddr"\n",
                      i, s, e);
     }
+    for ( j = 0; j < mem_resv->nr_banks; j++, i++ )
+    {
+        printk(" RESVD[%u]: %"PRIpaddr" - %"PRIpaddr"\n", i,
+                     mem_resv->bank[j].start,
+                     mem_resv->bank[j].start + mem_resv->bank[j].size - 1);
+    }
     printk("\n");
     for ( i = 0 ; i < cmds->nr_mods; i++ )
         printk("CMDLINE[%"PRIpaddr"]:%s %s\n", cmds->cmdline[i].start,
-- 
2.17.1


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Re: [Xen-devel] [PATCH v5 4/7] xen/arm: early_print_info print reserved_mem
Posted by Julien Grall 6 years, 2 months ago
Hi Stefano,

On 12/08/2019 23:28, Stefano Stabellini wrote:
> Improve early_print_info to also print the banks saved in
> bootinfo.reserved_mem. Print them right after RESVD, increasing the same
> index.
> 
> Since we are at it, also switch the existing RESVD print to use unsigned
> int.
> 
> Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
> ---
> Changes in v5:
> - switch to unsigned
> 
> Changes in v4:
> - new patch
> ---
>   xen/arch/arm/bootfdt.c | 11 +++++++++--
>   1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/xen/arch/arm/bootfdt.c b/xen/arch/arm/bootfdt.c
> index 0b0e22a3d0..32153e6207 100644
> --- a/xen/arch/arm/bootfdt.c
> +++ b/xen/arch/arm/bootfdt.c
> @@ -337,9 +337,10 @@ static int __init early_scan_node(const void *fdt,
>   static void __init early_print_info(void)
>   {
>       struct meminfo *mi = &bootinfo.mem;
> +    struct meminfo *mem_resv = &bootinfo.reserved_mem;
>       struct bootmodules *mods = &bootinfo.modules;
>       struct bootcmdlines *cmds = &bootinfo.cmdlines;
> -    int i, nr_rsvd;
> +    unsigned int i, j, nr_rsvd;
>   
>       for ( i = 0; i < mi->nr_banks; i++ )
>           printk("RAM: %"PRIpaddr" - %"PRIpaddr"\n",
> @@ -361,9 +362,15 @@ static void __init early_print_info(void)
>               continue;
>           /* fdt_get_mem_rsv returns length */
>           e += s;
> -        printk(" RESVD[%d]: %"PRIpaddr" - %"PRIpaddr"\n",
> +        printk(" RESVD[%u]: %"PRIpaddr" - %"PRIpaddr"\n",
>                        i, s, e);

Can you add a patch before to fix the indentation within this function?

>       }
> +    for ( j = 0; j < mem_resv->nr_banks; j++, i++ )
> +    {
> +        printk(" RESVD[%u]: %"PRIpaddr" - %"PRIpaddr"\n", i,
> +                     mem_resv->bank[j].start,
> +                     mem_resv->bank[j].start + mem_resv->bank[j].size - 1);

Even if the most of the function is not correctly indented, new code should at 
least be.

Assuming the two are taken into account:

Acked-by: Julien Grall <julien.grall@arm.com>

> +    }
>       printk("\n");
>       for ( i = 0 ; i < cmds->nr_mods; i++ )
>           printk("CMDLINE[%"PRIpaddr"]:%s %s\n", cmds->cmdline[i].start,
> 

Cheers,

-- 
Julien Grall

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