From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>, ira.weiny@intel.com
Cc: Michael Tsirkin <mst@redhat.com>,
Ben Widawsky <bwidawsk@kernel.org>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
qemu-devel@nongnu.org, linux-cxl@vger.kernel.org
Subject: Re: [RFC PATCH 1/6] qemu/bswap: Add const_le64()
Date: Tue, 11 Oct 2022 08:22:33 -0700 [thread overview]
Message-ID: <05ed1f6a-0771-798c-408b-272fb57b4582@linaro.org> (raw)
In-Reply-To: <CAFEAcA9yVKWCZ-PhCbHqpaEW7Tgtqoo=wSQLy6=U5yfq2uVfPA@mail.gmail.com>
On 10/11/22 02:48, Peter Maydell wrote:
>> +# define const_le64(_x) (_x)
>> # define const_le32(_x) (_x)
>> # define const_le16(_x) (_x)
>> #endif
>
> This is kind of a weird API, because:
> * it only exists for little-endian, not big-endian
> * we use it in exactly two files (linux-user/elfload.c and
> hw/input/virtio-input-hid.c)
>
> which leaves me wondering if there's a better way of doing
> it that I'm missing. But maybe it's just that we never filled
> out the missing bits of the API surface because we haven't
> needed them yet. Richard ?
It's piecemeal because, as you note, very few places require a version of byte swapping
that must be applicable to static data. I certainly don't want to completely fill this
out and have most of it remain unused.
r~
next prev parent reply other threads:[~2022-10-11 15:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-10 22:29 [RFC PATCH 0/6] QEMU CXL Provide mock CXL events and irq support ira.weiny
2022-10-10 22:29 ` [RFC PATCH 1/6] qemu/bswap: Add const_le64() ira.weiny
2022-10-11 9:03 ` Jonathan Cameron
2022-10-13 22:52 ` Ira Weiny
2022-10-11 9:48 ` Peter Maydell
2022-10-11 15:22 ` Richard Henderson [this message]
2022-10-11 15:45 ` Peter Maydell
2022-10-13 22:47 ` Ira Weiny
2022-10-10 22:29 ` [RFC PATCH 2/6] qemu/uuid: Add UUID static initializer ira.weiny
2022-10-11 9:13 ` Jonathan Cameron
2022-10-13 23:11 ` Ira Weiny
2022-10-10 22:29 ` [RFC PATCH 3/6] hw/cxl/cxl-events: Add CXL mock events ira.weiny
2022-10-11 10:07 ` Jonathan Cameron
2022-10-14 0:21 ` Ira Weiny
2022-10-17 15:57 ` Jonathan Cameron
2022-12-19 10:07 ` Jonathan Cameron
2022-12-21 18:56 ` Ira Weiny
2022-10-10 22:29 ` [RFC PATCH 4/6] hw/cxl/mailbox: Wire up get/clear event mailbox commands ira.weiny
2022-10-11 10:26 ` Jonathan Cameron
2022-10-10 22:29 ` [RFC PATCH 5/6] hw/cxl/cxl-events: Add event interrupt support ira.weiny
2022-10-11 10:30 ` Jonathan Cameron
2022-10-10 22:29 ` [RFC PATCH 6/6] hw/cxl/mailbox: Wire up Get/Set Event Interrupt policy ira.weiny
2022-10-11 10:40 ` Jonathan Cameron
2022-10-10 22:45 ` [RFC PATCH 0/6] QEMU CXL Provide mock CXL events and irq support Ira Weiny
2022-10-11 9:40 ` Jonathan Cameron
2022-10-11 17:03 ` Ira Weiny
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