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SubjectRe: [PATCH] hv_sock: use HV_HYP_PAGE_SIZE instead of PAGE_SIZE_4K
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On 7/27/2019 10:50 AM, kbuild test robot wrote:
> Hi Himadri,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [cannot apply to v5.3-rc1 next-20190726]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

This patch should be applied to linux-next git tree.

Thank you.

- Himadri

>
> url: https://github.com/0day-ci/linux/commits/Himadri-Pandya/hv_sock-use-HV_HYP_PAGE_SIZE-instead-of-PAGE_SIZE_4K/20190726-085229
> config: x86_64-allyesconfig (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All error/warnings (new ones prefixed by >>):
>
>>> net/vmw_vsock/hyperv_transport.c:58:28: error: 'HV_HYP_PAGE_SIZE' undeclared here (not in a function); did you mean 'HV_MESSAGE_SIZE'?
> #define HVS_SEND_BUF_SIZE (HV_HYP_PAGE_SIZE - sizeof(struct vmpipe_proto_header))
> ^
>>> net/vmw_vsock/hyperv_transport.c:65:10: note: in expansion of macro 'HVS_SEND_BUF_SIZE'
> u8 data[HVS_SEND_BUF_SIZE];
> ^~~~~~~~~~~~~~~~~
> In file included from include/linux/list.h:9:0,
> from include/linux/module.h:9,
> from net/vmw_vsock/hyperv_transport.c:11:
> net/vmw_vsock/hyperv_transport.c: In function 'hvs_open_connection':
>>> include/linux/kernel.h:845:2: error: first argument to '__builtin_choose_expr' not a constant
> __builtin_choose_expr(__safe_cmp(x, y), \
> ^
> include/linux/kernel.h:921:27: note: in expansion of macro '__careful_cmp'
> #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
> ^~~~~~~~~~~~~
>>> net/vmw_vsock/hyperv_transport.c:390:12: note: in expansion of macro 'max_t'
> sndbuf = max_t(int, sk->sk_sndbuf, RINGBUFFER_HVS_SND_SIZE);
> ^~~~~
>>> include/linux/kernel.h:845:2: error: first argument to '__builtin_choose_expr' not a constant
> __builtin_choose_expr(__safe_cmp(x, y), \
> ^
> include/linux/kernel.h:913:27: note: in expansion of macro '__careful_cmp'
> #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
> ^~~~~~~~~~~~~
>>> net/vmw_vsock/hyperv_transport.c:391:12: note: in expansion of macro 'min_t'
> sndbuf = min_t(int, sndbuf, RINGBUFFER_HVS_MAX_SIZE);
> ^~~~~
>>> include/linux/kernel.h:845:2: error: first argument to '__builtin_choose_expr' not a constant
> __builtin_choose_expr(__safe_cmp(x, y), \
> ^
> include/linux/kernel.h:921:27: note: in expansion of macro '__careful_cmp'
> #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
> ^~~~~~~~~~~~~
> net/vmw_vsock/hyperv_transport.c:393:12: note: in expansion of macro 'max_t'
> rcvbuf = max_t(int, sk->sk_rcvbuf, RINGBUFFER_HVS_RCV_SIZE);
> ^~~~~
>>> include/linux/kernel.h:845:2: error: first argument to '__builtin_choose_expr' not a constant
> __builtin_choose_expr(__safe_cmp(x, y), \
> ^
> include/linux/kernel.h:913:27: note: in expansion of macro '__careful_cmp'
> #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
> ^~~~~~~~~~~~~
> net/vmw_vsock/hyperv_transport.c:394:12: note: in expansion of macro 'min_t'
> rcvbuf = min_t(int, rcvbuf, RINGBUFFER_HVS_MAX_SIZE);
> ^~~~~
> net/vmw_vsock/hyperv_transport.c: In function 'hvs_stream_enqueue':
>>> include/linux/kernel.h:845:2: error: first argument to '__builtin_choose_expr' not a constant
> __builtin_choose_expr(__safe_cmp(x, y), \
> ^
> include/linux/kernel.h:913:27: note: in expansion of macro '__careful_cmp'
> #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
> ^~~~~~~~~~~~~
> net/vmw_vsock/hyperv_transport.c:681:14: note: in expansion of macro 'min_t'
> to_write = min_t(ssize_t, to_write, HVS_SEND_BUF_SIZE);
> ^~~~~
>
> vim +58 net/vmw_vsock/hyperv_transport.c
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation

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