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Message-ID: <7793472.zipptD7Jei@tauon.chronox.de>
Date: Mon, 13 Jan 2020 11:46:45 +0100
From: Stephan Mueller <smueller@...onox.de>
To: Dan Carpenter <dan.carpenter@...cle.com>
Cc: kbuild@...ts.01.org, kbuild-all@...ts.01.org,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
linux-api@...r.kernel.org,
"Eric W. Biederman" <ebiederm@...ssion.com>,
"Alexander E. Patrakov" <patrakov@...il.com>,
"Ahmed S. Darwish" <darwish.07@...il.com>,
"Theodore Y. Ts'o" <tytso@....edu>, Willy Tarreau <w@....eu>,
Matthew Garrett <mjg59@...f.ucam.org>,
Vito Caputo <vcaputo@...garu.com>,
Andreas Dilger <adilger.kernel@...ger.ca>,
Jan Kara <jack@...e.cz>, Ray Strode <rstrode@...hat.com>,
William Jon McCann <mccann@....edu>,
zhangjs <zachary@...shancloud.com>,
Andy Lutomirski <luto@...nel.org>,
Florian Weimer <fweimer@...hat.com>,
Lennart Poettering <mzxreary@...inter.de>,
Nicolai Stange <nstange@...e.de>,
"Peter, Matthias" <matthias.peter@....bund.de>,
Marcelo Henrique Cerri <marcelo.cerri@...onical.com>,
Roman Drahtmueller <draht@...altsekun.de>,
Neil Horman <nhorman@...hat.com>,
Randy Dunlap <rdunlap@...radead.org>,
Julia Lawall <julia.lawall@...ia.fr>
Subject: Re: [PATCH v27 12/12] LRNG - add power-on and runtime self-tests
Am Montag, 13. Januar 2020, 11:39:41 CET schrieb Dan Carpenter:
Hi Dan,
> Hi "Stephan,
>
> url:
> https://github.com/0day-ci/linux/commits/Stephan-M-ller/dev-random-a-new-ap
> proach-with-full-SP800-90B/20200110-084934 base:
> https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
> 68faa679b8be1a74e6663c21c3a9d25d32f1c079
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
>
> smatch warnings:
> drivers/char/lrng/lrng_selftest.c:117 lrng_pool_lfsr_selftest() warn:
> sizeof(NUMBER)? drivers/char/lrng/lrng_selftest.c:229
> lrng_hash_df_selftest() warn: sizeof(NUMBER)?
>
> #
> https://github.com/0day-ci/linux/commit/5b6f2811172c968d8eb78167825c58557ea
> 91995 git remote add linux-review https://github.com/0day-ci/linux
> git remote update linux-review
> git checkout 5b6f2811172c968d8eb78167825c58557ea91995
> vim +117 drivers/char/lrng/lrng_selftest.c
>
> 5b6f2811172c96 Stephan Müller 2020-01-09 89 static unsigned int
> lrng_pool_lfsr_selftest(void) 5b6f2811172c96 Stephan Müller 2020-01-09 90
> {
> 5b6f2811172c96 Stephan Müller 2020-01-09 91 /*
> 5b6f2811172c96 Stephan Müller 2020-01-09 92 * First, 67th and last
> entry of entropy pool. 5b6f2811172c96 Stephan Müller 2020-01-09 93 *
> 5b6f2811172c96 Stephan Müller 2020-01-09 94 * The 67th entry is picked
> because this one is the first to receive 5b6f2811172c96 Stephan Müller
> 2020-01-09 95 * an entry. As we start with 1 to inject into the
LFSR,
> the 5b6f2811172c96 Stephan Müller 2020-01-09 96 * 67th entry should
be
> equal to rol(1, 7) >> 3 considering that 5b6f2811172c96 Stephan Müller
> 2020-01-09 97 * all other values of the LFSR are zero and the the
> twist value of 0 5b6f2811172c96 Stephan Müller 2020-01-09 98 * is
> applied.
> 5b6f2811172c96 Stephan Müller 2020-01-09 99 */
> 5b6f2811172c96 Stephan Müller 2020-01-09 100 static u32 const
> lrng_lfsr_selftest_result[][3] = { 5b6f2811172c96 Stephan Müller 2020-01-09
> 101 { 0xf56df24a, 0x00000010, 0x0e014939 }, 5b6f2811172c96 Stephan
> Müller 2020-01-09 102 { 0x4b130726, 0x00000010, 0x2802f509
},
> 5b6f2811172c96 Stephan Müller 2020-01-09 103 { 0x87279152,
0x00000010,
> 0x00150000 }, 5b6f2811172c96 Stephan Müller 2020-01-09 104 {
> 0x0b67f997, 0x00000010, 0x00150000 }, 5b6f2811172c96 Stephan Müller
> 2020-01-09 105 { 0x4fea174f, 0x00000010, 0xcbf4a6ae },
5b6f2811172c96
> Stephan Müller 2020-01-09 106 { 0x77149108, 0x00000010,
0x77bfadf2 },
> 5b6f2811172c96 Stephan Müller 2020-01-09 107 { 0x1e96037e,
0x00000010,
> 0x18017e79 }, 5b6f2811172c96 Stephan Müller 2020-01-09 108 {
> 0xc84acef2, 0x00000010, 0x6345f7a8 }, 5b6f2811172c96 Stephan Müller
> 2020-01-09 109 { 0x6a2eb6df, 0x00000010, 0x03950000 },
5b6f2811172c96
> Stephan Müller 2020-01-09 110 };
> 5b6f2811172c96 Stephan Müller 2020-01-09 111 struct lrng_pool *lrng_pool,
> *lrng_pool_aligned; 5b6f2811172c96 Stephan Müller 2020-01-09 112 u32
i,
> ret = LRNG_SELFTEST_PASSED; 5b6f2811172c96 Stephan Müller 2020-01-09 113
> 5b6f2811172c96 Stephan Müller 2020-01-09 114
> BUILD_BUG_ON(ARRAY_SIZE(lrng_lfsr_selftest_result) < 5b6f2811172c96
> Stephan Müller 2020-01-09 115
CONFIG_LRNG_POOL_SIZE);
> 5b6f2811172c96 Stephan Müller 2020-01-09 116
> 5b6f2811172c96 Stephan Müller 2020-01-09 @117 lrng_pool =
> kzalloc(sizeof(struct lrng_pool) + sizeof(LRNG_KCAPI_ALIGN),
> ^^^^^^^^^^^^^^^^^^^^^^^^ Probably just LRNG_KCAPI_ALIGN is intended with no
> sizeof().
Yes, absolutely. Fixed in both cases.
Thank you!
>
> 5b6f2811172c96 Stephan Müller 2020-01-09 118
GFP_KERNEL);
> 5b6f2811172c96 Stephan Müller 2020-01-09 119 if (!lrng_pool)
> 5b6f2811172c96 Stephan Müller 2020-01-09 120 return
> LRNG_SEFLTEST_ERROR_LFSR; 5b6f2811172c96 Stephan Müller 2020-01-09 121
> lrng_pool_aligned = PTR_ALIGN(lrng_pool, sizeof(u32)); 5b6f2811172c96
> Stephan Müller 2020-01-09 122
> 5b6f2811172c96 Stephan Müller 2020-01-09 123 for (i = 1; i <=
> LRNG_POOL_SIZE; i++) 5b6f2811172c96 Stephan Müller 2020-01-09 124
> _lrng_pool_lfsr_u32(lrng_pool_aligned, i); 5b6f2811172c96
Stephan Müller
> 2020-01-09 125
> 5b6f2811172c96 Stephan Müller 2020-01-09 126 if
> ((atomic_read_u32(&lrng_pool_aligned->pool[0]) != 5b6f2811172c96 Stephan
> Müller 2020-01-09 127
> lrng_lfsr_selftest_result[CONFIG_LRNG_POOL_SIZE][0]) || 5b6f2811172c96
> Stephan Müller 2020-01-09 128
> (atomic_read_u32(&lrng_pool_aligned->pool[67 & 5b6f2811172c96 Stephan
> Müller 2020-01-09 129
(LRNG_POOL_SIZE - 1)]) !=
> 5b6f2811172c96 Stephan Müller 2020-01-09 130
> lrng_lfsr_selftest_result[CONFIG_LRNG_POOL_SIZE][1]) || 5b6f2811172c96
> Stephan Müller 2020-01-09 131
> (atomic_read_u32(&lrng_pool_aligned->pool[LRNG_POOL_SIZE - 1]) !=
> 5b6f2811172c96 Stephan Müller 2020-01-09 132
> lrng_lfsr_selftest_result[CONFIG_LRNG_POOL_SIZE][2])) { 5b6f2811172c96
> Stephan Müller 2020-01-09 133 pr_err("LRNG LFSR self-test
FAILED\n");
> 5b6f2811172c96 Stephan Müller 2020-01-09 134 ret =
> LRNG_SEFLTEST_ERROR_LFSR; 5b6f2811172c96 Stephan Müller 2020-01-09 135
}
> 5b6f2811172c96 Stephan Müller 2020-01-09 136
> 5b6f2811172c96 Stephan Müller 2020-01-09 137 kfree(lrng_pool);
> 5b6f2811172c96 Stephan Müller 2020-01-09 138 return ret;
> 5b6f2811172c96 Stephan Müller 2020-01-09 139 }
> 5b6f2811172c96 Stephan Müller 2020-01-09 140
> 5b6f2811172c96 Stephan Müller 2020-01-09 141 /*
> 5b6f2811172c96 Stephan Müller 2020-01-09 142 * The test vectors are
> generated with the hash_df_testvector_generation tool 5b6f2811172c96
> Stephan Müller 2020-01-09 143 * provided as part of the test tool set of
> the LRNG. 5b6f2811172c96 Stephan Müller 2020-01-09 144 */
> 5b6f2811172c96 Stephan Müller 2020-01-09 145 static unsigned int
> lrng_hash_df_selftest(void) 5b6f2811172c96 Stephan Müller 2020-01-09 146
> {
> 5b6f2811172c96 Stephan Müller 2020-01-09 147 const struct lrng_crypto_cb
> *crypto_cb = &lrng_cc20_crypto_cb; 5b6f2811172c96 Stephan Müller 2020-01-09
> 148
> 5b6f2811172c96 Stephan Müller 2020-01-09 149 /*
> 5b6f2811172c96 Stephan Müller 2020-01-09 150 * The size of 45 bytes is
> chosen arbitrarily. Yet, this size should 5b6f2811172c96 Stephan Müller
> 2020-01-09 151 * ensure that we have at least two hash blocks plus
some
> fraction 5b6f2811172c96 Stephan Müller 2020-01-09 152 * of a hash block
> generated. 5b6f2811172c96 Stephan Müller 2020-01-09 153 */
> 5b6f2811172c96 Stephan Müller 2020-01-09 154 static u8 const
> lrng_hash_df_selftest_result[][45] = { 5b6f2811172c96 Stephan Müller
> 2020-01-09 155 {
> 5b6f2811172c96 Stephan Müller 2020-01-09 156 0x3b, 0xbe,
0x7a, 0xbd,
> 0x2b, 0x16, 0x02, 0x4c, 5b6f2811172c96 Stephan Müller 2020-01-09 157
> 0xfc, 0xd3, 0x02, 0x15, 0xf0, 0x86, 0xd4, 0xdb,
5b6f2811172c96 Stephan
> Müller 2020-01-09 158 0x49, 0xec, 0x26, 0x53, 0xd6,
0xc9, 0x6d, 0xad,
> 5b6f2811172c96 Stephan Müller 2020-01-09 159 0x24, 0xca,
0x72, 0x89,
> 0x2c, 0xfa, 0x48, 0x18, 5b6f2811172c96 Stephan Müller 2020-01-09 160
> 0xf7, 0x47, 0xb5, 0x2f, 0x92, 0xa2, 0x1b, 0xd9,
5b6f2811172c96 Stephan
> Müller 2020-01-09 161 0x24, 0xa7, 0x2f, 0xa2, 0x0b,
5b6f2811172c96
> Stephan Müller 2020-01-09 162 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 163 0xd2, 0xaa,
0xf9, 0x76,
> 0x26, 0xc6, 0x13, 0xea, 5b6f2811172c96 Stephan Müller 2020-01-09 164
> 0xb8, 0xde, 0xe6, 0x88, 0x8f, 0xc4, 0x7a, 0x7d,
5b6f2811172c96 Stephan
> Müller 2020-01-09 165 0x9c, 0xb4, 0x1b, 0xd1, 0xd1,
0x8a, 0x40, 0xc9,
> 5b6f2811172c96 Stephan Müller 2020-01-09 166 0xaa, 0x45,
0xa6, 0xb6,
> 0xb5, 0x6f, 0xf6, 0xbc, 5b6f2811172c96 Stephan Müller 2020-01-09 167
> 0xbb, 0x77, 0x37, 0xbc, 0x5a, 0x2d, 0xcc, 0x84,
5b6f2811172c96 Stephan
> Müller 2020-01-09 168 0x25, 0x68, 0x5e, 0xba, 0x16,
5b6f2811172c96
> Stephan Müller 2020-01-09 169 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 170 0x58, 0x66,
0x82, 0x88,
> 0x29, 0x19, 0xa4, 0xbb, 5b6f2811172c96 Stephan Müller 2020-01-09 171
> 0x33, 0x42, 0xc9, 0x72, 0x0d, 0x68, 0x6e, 0xb9,
5b6f2811172c96 Stephan
> Müller 2020-01-09 172 0xc6, 0xe0, 0x7a, 0xf9, 0x20,
0xca, 0x6d, 0x18,
> 5b6f2811172c96 Stephan Müller 2020-01-09 173 0x35, 0xec,
0xfa, 0x9e,
> 0xf6, 0x3a, 0xa7, 0xb6, 5b6f2811172c96 Stephan Müller 2020-01-09 174
> 0x92, 0x7a, 0xe5, 0xcd, 0xc5, 0x13, 0x9f, 0x65,
5b6f2811172c96 Stephan
> Müller 2020-01-09 175 0x6a, 0xe1, 0xe4, 0x3f, 0xb9,
5b6f2811172c96
> Stephan Müller 2020-01-09 176 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 177 0xdd, 0xf1,
0x34, 0xca,
> 0x08, 0xe3, 0xce, 0x8a, 5b6f2811172c96 Stephan Müller 2020-01-09 178
> 0x26, 0x6b, 0xce, 0x99, 0x8a, 0x84, 0xd2, 0x21,
5b6f2811172c96 Stephan
> Müller 2020-01-09 179 0x98, 0x10, 0x95, 0x5f, 0x9f,
0xc3, 0xf2, 0xe4,
> 5b6f2811172c96 Stephan Müller 2020-01-09 180 0x79, 0x75,
0xb5, 0x15,
> 0xa7, 0xa2, 0xf1, 0xc4, 5b6f2811172c96 Stephan Müller 2020-01-09 181
> 0xdc, 0x67, 0xcb, 0x67, 0x8c, 0xb2, 0x1b, 0xd5,
5b6f2811172c96 Stephan
> Müller 2020-01-09 182 0xd6, 0x8b, 0xc2, 0x34, 0xd6,
5b6f2811172c96
> Stephan Müller 2020-01-09 183 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 184 0xc3, 0x16,
0x9d, 0xf0,
> 0x78, 0x15, 0xab, 0xf2, 5b6f2811172c96 Stephan Müller 2020-01-09 185
> 0x2f, 0xc9, 0x2e, 0xe1, 0xc6, 0x5e, 0xfa, 0x03,
5b6f2811172c96 Stephan
> Müller 2020-01-09 186 0xaf, 0xd4, 0xd5, 0x47, 0x2a,
0xe8, 0x06, 0xe8,
> 5b6f2811172c96 Stephan Müller 2020-01-09 187 0x7e, 0x0a,
0x71, 0xc7,
> 0x0d, 0x39, 0xb1, 0xa9, 5b6f2811172c96 Stephan Müller 2020-01-09 188
> 0x5a, 0x49, 0xee, 0x8b, 0x2f, 0xcd, 0xea, 0x96,
5b6f2811172c96 Stephan
> Müller 2020-01-09 189 0xcc, 0x08, 0x71, 0xef, 0x9c,
5b6f2811172c96
> Stephan Müller 2020-01-09 190 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 191 0x1a, 0x3d,
0x70, 0x39,
> 0xc2, 0x02, 0x4d, 0x3a, 5b6f2811172c96 Stephan Müller 2020-01-09 192
> 0xaa, 0x14, 0x20, 0x88, 0x96, 0x4c, 0x7c, 0xe4,
5b6f2811172c96 Stephan
> Müller 2020-01-09 193 0xaa, 0x49, 0x89, 0x30, 0x50,
0x96, 0xb6, 0xa7,
> 5b6f2811172c96 Stephan Müller 2020-01-09 194 0x55, 0x0a,
0xf8, 0xd2,
> 0x4e, 0x83, 0x9d, 0x1f, 5b6f2811172c96 Stephan Müller 2020-01-09 195
> 0x56, 0x49, 0x13, 0xc6, 0x46, 0x55, 0x73, 0x0d,
5b6f2811172c96 Stephan
> Müller 2020-01-09 196 0x74, 0xcd, 0x81, 0xe0, 0x65,
5b6f2811172c96
> Stephan Müller 2020-01-09 197 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 198 0x4b, 0xf6,
0x49, 0x89,
> 0x2a, 0x9f, 0x67, 0xd7, 5b6f2811172c96 Stephan Müller 2020-01-09 199
> 0xb8, 0x1d, 0xbb, 0x5d, 0xf0, 0x1b, 0x60, 0xb6,
5b6f2811172c96 Stephan
> Müller 2020-01-09 200 0xb7, 0xf3, 0x86, 0x6d, 0xe0,
0x04, 0xa1, 0xbc,
> 5b6f2811172c96 Stephan Müller 2020-01-09 201 0x3b, 0xb0,
0x10, 0x91,
> 0xe8, 0x22, 0x67, 0x5b, 5b6f2811172c96 Stephan Müller 2020-01-09 202
> 0xe8, 0xf0, 0x4f, 0x82, 0x70, 0xc7, 0xe1, 0xc8,
5b6f2811172c96 Stephan
> Müller 2020-01-09 203 0xd8, 0xad, 0x70, 0xcf, 0xf6,
5b6f2811172c96
> Stephan Müller 2020-01-09 204 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 205 0x60, 0x1f,
0x71, 0x07,
> 0x92, 0xae, 0xa0, 0x24, 5b6f2811172c96 Stephan Müller 2020-01-09 206
> 0xb6, 0xa4, 0x10, 0x70, 0x1f, 0x94, 0x51, 0x9a,
5b6f2811172c96 Stephan
> Müller 2020-01-09 207 0x5a, 0x81, 0xc4, 0x46, 0x78,
0x56, 0x71, 0xdd,
> 5b6f2811172c96 Stephan Müller 2020-01-09 208 0x45, 0x63,
0x01, 0x34,
> 0x87, 0x79, 0xb4, 0xd5, 5b6f2811172c96 Stephan Müller 2020-01-09 209
> 0x91, 0x79, 0xb9, 0x93, 0x11, 0x44, 0x50, 0xad,
5b6f2811172c96 Stephan
> Müller 2020-01-09 210 0x64, 0x7e, 0x5c, 0xec, 0x16,
5b6f2811172c96
> Stephan Müller 2020-01-09 211 }, {
> 5b6f2811172c96 Stephan Müller 2020-01-09 212 0x49, 0x2f,
0xa0, 0x45,
> 0xf8, 0xb0, 0x80, 0x88, 5b6f2811172c96 Stephan Müller 2020-01-09 213
> 0x79, 0xeb, 0xb6, 0x82, 0x1c, 0xf3, 0x67, 0xc4,
5b6f2811172c96 Stephan
> Müller 2020-01-09 214 0x88, 0x88, 0xe9, 0x75, 0x20,
0x54, 0x78, 0xc6,
> 5b6f2811172c96 Stephan Müller 2020-01-09 215 0x5c, 0x59,
0xcf, 0xd9,
> 0x73, 0x12, 0x17, 0xf4, 5b6f2811172c96 Stephan Müller 2020-01-09 216
> 0x30, 0x9c, 0xb7, 0x21, 0x45, 0xe2, 0xb6, 0x0c,
5b6f2811172c96 Stephan
> Müller 2020-01-09 217 0x0c, 0xeb, 0x1b, 0xdc, 0xdc,
5b6f2811172c96
> Stephan Müller 2020-01-09 218 }
> 5b6f2811172c96 Stephan Müller 2020-01-09 219 };
> 5b6f2811172c96 Stephan Müller 2020-01-09 220 struct lrng_pool *lrng_pool,
> *lrng_pool_aligned; 5b6f2811172c96 Stephan Müller 2020-01-09 221 u8
> hash_df[sizeof(lrng_hash_df_selftest_result[0])] 5b6f2811172c96 Stephan
> Müller 2020-01-09 222
__aligned(sizeof(u32)); 5b6f2811172c96
> Stephan Müller 2020-01-09 223 u32 generated;
> 5b6f2811172c96 Stephan Müller 2020-01-09 224 int ret = 0;
> 5b6f2811172c96 Stephan Müller 2020-01-09 225
> 5b6f2811172c96 Stephan Müller 2020-01-09 226
> BUILD_BUG_ON(ARRAY_SIZE(lrng_hash_df_selftest_result) < 5b6f2811172c96
> Stephan Müller 2020-01-09 227
CONFIG_LRNG_POOL_SIZE);
> 5b6f2811172c96 Stephan Müller 2020-01-09 228
> 5b6f2811172c96 Stephan Müller 2020-01-09 @229 lrng_pool =
> kzalloc(sizeof(struct lrng_pool) + sizeof(LRNG_KCAPI_ALIGN),
> ^^^^^^^^^^^^^^^^^^^^^^^^ Here too.
>
>
> 5b6f2811172c96 Stephan Müller 2020-01-09 230
GFP_KERNEL);
> 5b6f2811172c96 Stephan Müller 2020-01-09 231 if (!lrng_pool)
> 5b6f2811172c96 Stephan Müller 2020-01-09 232 return
> LRNG_SEFLTEST_ERROR_HASHDF; 5b6f2811172c96 Stephan Müller 2020-01-09 233
> lrng_pool_aligned = PTR_ALIGN(lrng_pool, sizeof(u32)); 5b6f2811172c96
> Stephan Müller 2020-01-09 234
> 5b6f2811172c96 Stephan Müller 2020-01-09 235 generated =
> __lrng_pool_hash_df(crypto_cb, NULL, lrng_pool_aligned, 5b6f2811172c96
> Stephan Müller 2020-01-09 236
hash_df, sizeof(hash_df) << 3);
> 5b6f2811172c96 Stephan Müller 2020-01-09 237
> 5b6f2811172c96 Stephan Müller 2020-01-09 238 if ((generated >> 3) !=
> sizeof(hash_df) || 5b6f2811172c96 Stephan Müller 2020-01-09 239
> memcmp(hash_df, lrng_hash_df_selftest_result[CONFIG_LRNG_POOL_SIZE],
> 5b6f2811172c96 Stephan Müller 2020-01-09 240 sizeof(hash_df)))
{
> 5b6f2811172c96 Stephan Müller 2020-01-09 241 pr_err("LRNG Hash DF
> self-test FAILED\n"); 5b6f2811172c96 Stephan Müller 2020-01-09 242
ret
> = LRNG_SEFLTEST_ERROR_HASHDF; 5b6f2811172c96 Stephan Müller 2020-01-09 243
> }
> 5b6f2811172c96 Stephan Müller 2020-01-09 244
> 5b6f2811172c96 Stephan Müller 2020-01-09 245 kfree(lrng_pool);
> 5b6f2811172c96 Stephan Müller 2020-01-09 246 return ret;
> 5b6f2811172c96 Stephan Müller 2020-01-09 247 }
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology
> Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel
> Corporation
Ciao
Stephan
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