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From: Peter Maydell <peter.maydell@linaro.org>
To: FelixYao <felix.yzg@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 1/1] main loop: remove useless code
Date: Sat, 2 Dec 2017 11:52:38 +0000	[thread overview]
Message-ID: <CAFEAcA_VZVcbS9JhorMa9SnTkO+j5uL4LFZ91vBsVqemVFUHRA@mail.gmail.com> (raw)
In-Reply-To: <1512200490-50021-1-git-send-email-felix.yzg@gmail.com>

On 2 December 2017 at 07:41, FelixYao <felix.yzg@gmail.com> wrote:
> hi Paolo Bonzini:
>
> Those codes seem useless, Could it be removed?
>
> Signed-off-by: FelixYao <felix.yzg@gmail.com>
> ---
>  vl.c | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/vl.c b/vl.c
> index 1ad1c04..5bed4c2 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2995,10 +2995,6 @@ static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
>
>      sz = QEMU_ALIGN_UP(sz, 8192);
>      ram_size = sz;
> -    if (ram_size != sz) {
> -        error_report("ram size too large");
> -        exit(EXIT_FAILURE);
> -    }

ram_size is a ramaddr_t, which may be a 32-bit variable, whereas
sz is a uint64_t. This check is making sure that the ram size
specified can actually fit in a ramaddr_t.

thanks
-- PMM

  reply	other threads:[~2017-12-02 11:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-02  7:41 [Qemu-devel] [PATCH 1/1] main loop: remove useless code FelixYao
2017-12-02 11:52 ` Peter Maydell [this message]
2017-12-04  2:08   ` felix yao

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