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Subject: Re: [PATCH 1/5] kselftests: dmabuf-heaps: Fix Makefile's inclusion of
 the kernel's usr/include dir
To:     John Stultz <john.stultz@linaro.org>,
        lkml <linux-kernel@vger.kernel.org>
Cc:     Shuah Khan <shuah@kernel.org>,
        Brian Starkey <brian.starkey@arm.com>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Laura Abbott <labbott@kernel.org>,
        Hridya Valsaraju <hridya@google.com>,
        Suren Baghdasaryan <surenb@google.com>,
        Sandeep Patil <sspatil@google.com>,
        Daniel Mentz <danielmentz@google.com>,
        linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-kselftest@vger.kernel.org,
        Shuah Khan <skhan@linuxfoundation.org>
References: <20210129030514.1231773-1-john.stultz@linaro.org>
From:   Shuah Khan <skhan@linuxfoundation.org>
Message-ID: <27bd6340-617a-37a2-d17f-8e50b5d5362f@linuxfoundation.org>
Date:   Mon, 8 Feb 2021 16:23:48 -0700
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On 1/28/21 8:05 PM, John Stultz wrote:
> Copied in from somewhere else, the makefile was including
> the kerne's usr/include dir, which caused the asm/ioctl.h file
> to be used.
> 
> Unfortunately, that file has different values for _IOC_SIZEBITS
> and _IOC_WRITE than include/uapi/asm-generic/ioctl.h which then
> causes the _IOCW macros to give the wrong ioctl numbers,
> specifically for DMA_BUF_IOCTL_SYNC.
> 
> This patch simply removes the extra include from the Makefile
> 
> Cc: Shuah Khan <shuah@kernel.org>
> Cc: Brian Starkey <brian.starkey@arm.com>
> Cc: Sumit Semwal <sumit.semwal@linaro.org>
> Cc: Laura Abbott <labbott@kernel.org>
> Cc: Hridya Valsaraju <hridya@google.com>
> Cc: Suren Baghdasaryan <surenb@google.com>
> Cc: Sandeep Patil <sspatil@google.com>
> Cc: Daniel Mentz <danielmentz@google.com>
> Cc: linux-media@vger.kernel.org
> Cc: dri-devel@lists.freedesktop.org
> Cc: linux-kselftest@vger.kernel.org
> Fixes: a8779927fd86c ("kselftests: Add dma-heap test")
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
>   tools/testing/selftests/dmabuf-heaps/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/dmabuf-heaps/Makefile b/tools/testing/selftests/dmabuf-heaps/Makefile
> index 607c2acd2082..604b43ece15f 100644
> --- a/tools/testing/selftests/dmabuf-heaps/Makefile
> +++ b/tools/testing/selftests/dmabuf-heaps/Makefile
> @@ -1,5 +1,5 @@
>   # SPDX-License-Identifier: GPL-2.0
> -CFLAGS += -static -O3 -Wl,-no-as-needed -Wall -I../../../../usr/include
> +CFLAGS += -static -O3 -Wl,-no-as-needed -Wall
>   
>   TEST_GEN_PROGS = dmabuf-heap
>   
> 

Thanks John for all these 5 fix and cleanup patches.

Applied to linux-kselftest next for 5.12-rc1

thanks,
-- Shuah