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Re: [Qemu-trivial] [PATCH for-2.12] rdma: Fix 32-bit compilation
From: |
Yuval Shaia |
Subject: |
Re: [Qemu-trivial] [PATCH for-2.12] rdma: Fix 32-bit compilation |
Date: |
Tue, 20 Mar 2018 12:43:49 +0200 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Mon, Mar 19, 2018 at 04:53:35PM -0500, Eric Blake wrote:
> Use the correct printf formats, so that a 32-bit compile doesn't
> spit out lots of warnings about %lx being incompatible with uint64_t.
> Broken since initial commit ef6d4ccd.
>
> Signed-off-by: Eric Blake <address@hidden>
> ---
>
> I don't know if 'make vm-build-ubuntu.i368' would catch this (it failed
> for me for other reasons); I found it via a 32-bit rawhide VM.
>
> hw/rdma/rdma_backend.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
> index e306fba5344..89020fdcf62 100644
> --- a/hw/rdma/rdma_backend.c
> +++ b/hw/rdma/rdma_backend.c
> @@ -656,7 +656,8 @@ void rdma_backend_destroy_qp(RdmaBackendQP *qp)
> #define CHK_ATTR(req, dev, member, fmt) ({ \
> pr_dbg("%s="fmt","fmt"\n", #member, dev.member, req->member); \
> if (req->member > dev.member) { \
> - warn_report("%s = 0x%lx is higher than host device capability
> 0x%lx", \
> + warn_report("%s = 0x%" PRIx64 " is higher than host device " \
> + "capability 0x%" PRIx64, \
> #member, (uint64_t)req->member, (uint64_t)dev.member); \
Hmmm, interesting.
I wonder why in first place to cast all members to uint64_t.
Can you try the method that is used above in the call to pr_dbg, i.e. to
use the given argument fmt?
Something like this:
warn_report("%s = "fmt" is higher than host device capability "fmt, \
#member, req->member, dev.member); \
> req->member = dev.member; \
> } \
> --
> 2.14.3
>