* [PATCH] Use signed 16-bit values for ivshmem register writes
@ 2010-08-30 16:58 Cam Macdonell
2010-09-03 1:53 ` Hidetoshi Seto
0 siblings, 1 reply; 2+ messages in thread
From: Cam Macdonell @ 2010-08-30 16:58 UTC (permalink / raw)
To: qemu-devel; +Cc: kvm, Cam Macdonell
fixes gcc 4.1 warning
Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca>
---
hw/ivshmem.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index bbb5cba..fa9c684 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -181,8 +181,8 @@ static void ivshmem_io_writel(void *opaque, target_phys_addr_t addr,
IVShmemState *s = opaque;
uint64_t write_one = 1;
- uint16_t dest = val >> 16;
- uint16_t vector = val & 0xff;
+ int16_t dest = val >> 16;
+ int16_t vector = val & 0xff;
addr &= 0xfc;
--
1.6.6.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Use signed 16-bit values for ivshmem register writes
2010-08-30 16:58 [PATCH] Use signed 16-bit values for ivshmem register writes Cam Macdonell
@ 2010-09-03 1:53 ` Hidetoshi Seto
0 siblings, 0 replies; 2+ messages in thread
From: Hidetoshi Seto @ 2010-09-03 1:53 UTC (permalink / raw)
To: Cam Macdonell; +Cc: qemu-devel, kvm, Hao, Xudong
(2010/08/31 1:58), Cam Macdonell wrote:
> fixes gcc 4.1 warning
>
> Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca>
> ---
> hw/ivshmem.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/ivshmem.c b/hw/ivshmem.c
> index bbb5cba..fa9c684 100644
> --- a/hw/ivshmem.c
> +++ b/hw/ivshmem.c
> @@ -181,8 +181,8 @@ static void ivshmem_io_writel(void *opaque, target_phys_addr_t addr,
> IVShmemState *s = opaque;
>
> uint64_t write_one = 1;
> - uint16_t dest = val >> 16;
> - uint16_t vector = val & 0xff;
> + int16_t dest = val >> 16;
> + int16_t vector = val & 0xff;
>
> addr &= 0xfc;
>
Since val is uint32_t, I think this change doesn't make sense.
Thanks,
H.Seto
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2010-09-03 1:53 ` Hidetoshi Seto
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