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Re: [Qemu-devel] [PATCH v2 5/7] linux-user: Fix readahead
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH v2 5/7] linux-user: Fix readahead |
Date: |
Fri, 16 Dec 2016 14:27:49 +0000 |
On 24 November 2016 at 16:08, Lena Djokic <address@hidden> wrote:
> Calculation of 64-bit offset was not correct for all cases.
>
> Signed-off-by: Lena Djokic <address@hidden>
> ---
> linux-user/syscall.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 1b59a71..61c4126 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -11296,7 +11296,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
> arg1,
> arg3 = arg4;
> arg4 = arg5;
> }
> - ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
> + ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4));
> #else
> ret = get_errno(readahead(arg1, arg2, arg3));
> #endif
Reviewed-by: Peter Maydell <address@hidden>
thanks
-- PMM
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