[v2] Refactoring with clang-tidy

[Qemu-devel] [PATCH v2 18/29] piix: use DIV_ROUND_UP

Posted by Marc-André Lureau 8 years, 7 months ago

I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 hw/pci-host/piix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index a2c1033dbe..3745b56c8e 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -140,7 +140,7 @@ static void i440fx_update_memory_mappings(PCII440FXState *d)
     memory_region_transaction_begin();
     for (i = 0; i < 13; i++) {
         pam_update(&d->pam_regions[i], i,
-                   pd->config[I440FX_PAM + ((i + 1) / 2)]);
+                   pd->config[I440FX_PAM + (DIV_ROUND_UP(i, 2))]);
     }
     memory_region_set_enabled(&d->smram_region,
                               !(pd->config[I440FX_SMRAM] & SMRAM_D_OPEN));
-- 
2.13.1.395.gf7b71de06

Re: [Qemu-devel] [Qemu-trivial] [PATCH v2 18/29] piix: use DIV_ROUND_UP

Posted by Philippe Mathieu-Daudé 8 years, 7 months ago

On 07/13/2017 01:32 PM, Marc-André Lureau wrote:
> I used the clang-tidy qemu-round check to generate the fix:
> https://github.com/elmarco/clang-tools-extra
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---
>   hw/pci-host/piix.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
> index a2c1033dbe..3745b56c8e 100644
> --- a/hw/pci-host/piix.c
> +++ b/hw/pci-host/piix.c
> @@ -140,7 +140,7 @@ static void i440fx_update_memory_mappings(PCII440FXState *d)
>       memory_region_transaction_begin();
>       for (i = 0; i < 13; i++) {
>           pam_update(&d->pam_regions[i], i,
> -                   pd->config[I440FX_PAM + ((i + 1) / 2)]);
> +                   pd->config[I440FX_PAM + (DIV_ROUND_UP(i, 2))]);
>       }
>       memory_region_set_enabled(&d->smram_region,
>                                 !(pd->config[I440FX_SMRAM] & SMRAM_D_OPEN));
>

Re: [Qemu-devel] [PATCH v2 18/29] piix: use DIV_ROUND_UP

Posted by Richard Henderson 8 years, 7 months ago

On 07/13/2017 06:32 AM, Marc-André Lureau wrote:
> I used the clang-tidy qemu-round check to generate the fix:
> https://github.com/elmarco/clang-tools-extra
> 
> Signed-off-by: Marc-André Lureau<marcandre.lureau@redhat.com>
> ---
>   hw/pci-host/piix.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~