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From: kernel test robot <lkp@intel.com>
To: Kuppuswamy Sathyanarayanan  <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Tony Luck <tony.luck@intel.com>, Andi Kleen <ak@linux.intel.com>
Subject: [intel-tdx:guest 62/136] arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr'
Date: Wed, 27 Oct 2021 22:04:31 +0800	[thread overview]
Message-ID: <202110272220.mKxh48KY-lkp@intel.com> (raw)

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tree:   https://github.com/intel/tdx.git guest
head:   12f4800ff5dbe89a642744796008f89f23b2e446
commit: 2c0498d3a27b537d428cc081fe9578605111569e [62/136] x86/tdx: Add SetupEventNotifyInterrupt TDX hypercall support
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/2c0498d3a27b537d428cc081fe9578605111569e
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest
        git checkout 2c0498d3a27b537d428cc081fe9578605111569e
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr' [-Werror=missing-prototypes]
     225 | int tdx_hcall_set_notify_intr(u8 vector)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/tdx_hcall_set_notify_intr +225 arch/x86/kernel/tdx.c

   217	
   218	/*
   219	 * tdx_hcall_set_notify_intr() - Setup Event Notify Interrupt Vector.
   220	 *
   221	 * @vector        : Vector address to be used for notification.
   222	 *
   223	 * return 0 on success or failure error number.
   224	 */
 > 225	int tdx_hcall_set_notify_intr(u8 vector)
   226	{
   227		u64 ret;
   228	
   229		/* Minimum vector value allowed is 32 */
   230		if (vector < 32)
   231			return -EINVAL;
   232	
   233		/*
   234		 * Register callback vector address with VMM. More details
   235		 * about the ABI can be found in TDX Guest-Host-Communication
   236		 * Interface (GHCI), sec 3.5.
   237		 */
   238		ret = _trace_tdx_hypercall(TDVMCALL_SETUP_NOTIFY_INTR, vector, 0, 0, 0,
   239					   NULL);
   240	
   241		if (ret == TDVMCALL_SUCCESS)
   242			return 0;
   243		else if (ret == TDCALL_INVALID_OPERAND)
   244			return -EINVAL;
   245	
   246		return -EIO;
   247	}
   248	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [intel-tdx:guest 62/136] arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr'
Date: Wed, 27 Oct 2021 22:04:31 +0800	[thread overview]
Message-ID: <202110272220.mKxh48KY-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2254 bytes --]

tree:   https://github.com/intel/tdx.git guest
head:   12f4800ff5dbe89a642744796008f89f23b2e446
commit: 2c0498d3a27b537d428cc081fe9578605111569e [62/136] x86/tdx: Add SetupEventNotifyInterrupt TDX hypercall support
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/2c0498d3a27b537d428cc081fe9578605111569e
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest
        git checkout 2c0498d3a27b537d428cc081fe9578605111569e
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr' [-Werror=missing-prototypes]
     225 | int tdx_hcall_set_notify_intr(u8 vector)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/tdx_hcall_set_notify_intr +225 arch/x86/kernel/tdx.c

   217	
   218	/*
   219	 * tdx_hcall_set_notify_intr() - Setup Event Notify Interrupt Vector.
   220	 *
   221	 * @vector        : Vector address to be used for notification.
   222	 *
   223	 * return 0 on success or failure error number.
   224	 */
 > 225	int tdx_hcall_set_notify_intr(u8 vector)
   226	{
   227		u64 ret;
   228	
   229		/* Minimum vector value allowed is 32 */
   230		if (vector < 32)
   231			return -EINVAL;
   232	
   233		/*
   234		 * Register callback vector address with VMM. More details
   235		 * about the ABI can be found in TDX Guest-Host-Communication
   236		 * Interface (GHCI), sec 3.5.
   237		 */
   238		ret = _trace_tdx_hypercall(TDVMCALL_SETUP_NOTIFY_INTR, vector, 0, 0, 0,
   239					   NULL);
   240	
   241		if (ret == TDVMCALL_SUCCESS)
   242			return 0;
   243		else if (ret == TDCALL_INVALID_OPERAND)
   244			return -EINVAL;
   245	
   246		return -EIO;
   247	}
   248	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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             reply	other threads:[~2021-10-27 14:05 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-27 14:04 kernel test robot [this message]
2021-10-27 14:04 ` [intel-tdx:guest 62/136] arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr' kernel test robot

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