Re: [PATCH 5/5] firmware: google memconsole: Add ARM/ARM64 support

From: kbuild test robot
Date: Sat Mar 25 2017 - 21:43:22 EST


Hi Thierry,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.11-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Thierry-Escande/firmware-google-memconsole/20170326-080828
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

All errors (new ones prefixed by >>):

drivers/firmware/google/gsmi.c: In function 'gsmi_exec.constprop':
>> drivers/firmware/google/gsmi.c:198:3: error: inconsistent operand constraints in an 'asm'
asm volatile (
^~~
drivers/firmware/google/gsmi.c:213:3: error: inconsistent operand constraints in an 'asm'
asm volatile (
^~~
drivers/firmware/google/gsmi.c:229:3: error: inconsistent operand constraints in an 'asm'
asm volatile (
^~~

vim +/asm +198 drivers/firmware/google/gsmi.c

74c5b31c Mike Waychison 2011-04-29 182 /*
74c5b31c Mike Waychison 2011-04-29 183 * AH : Subfunction number
74c5b31c Mike Waychison 2011-04-29 184 * AL : Function number
74c5b31c Mike Waychison 2011-04-29 185 * EBX : Parameter block address
74c5b31c Mike Waychison 2011-04-29 186 * DX : SMI command port
74c5b31c Mike Waychison 2011-04-29 187 *
74c5b31c Mike Waychison 2011-04-29 188 * Three protocols here. See also the comment in gsmi_init().
74c5b31c Mike Waychison 2011-04-29 189 */
74c5b31c Mike Waychison 2011-04-29 190 if (gsmi_dev.handshake_type == GSMI_HANDSHAKE_CF) {
74c5b31c Mike Waychison 2011-04-29 191 /*
74c5b31c Mike Waychison 2011-04-29 192 * If handshake_type == HANDSHAKE_CF then set CF on the
74c5b31c Mike Waychison 2011-04-29 193 * way in and wait for the handler to clear it; this avoids
74c5b31c Mike Waychison 2011-04-29 194 * corrupting register state on those chipsets which have
74c5b31c Mike Waychison 2011-04-29 195 * a delay between writing the SMI trigger register and
74c5b31c Mike Waychison 2011-04-29 196 * entering SMM.
74c5b31c Mike Waychison 2011-04-29 197 */
74c5b31c Mike Waychison 2011-04-29 @198 asm volatile (
74c5b31c Mike Waychison 2011-04-29 199 "stc\n"
74c5b31c Mike Waychison 2011-04-29 200 "outb %%al, %%dx\n"
74c5b31c Mike Waychison 2011-04-29 201 "1: jc 1b\n"
74c5b31c Mike Waychison 2011-04-29 202 : "=a" (result)
74c5b31c Mike Waychison 2011-04-29 203 : "0" (cmd),
74c5b31c Mike Waychison 2011-04-29 204 "d" (gsmi_dev.smi_cmd),
74c5b31c Mike Waychison 2011-04-29 205 "b" (gsmi_dev.param_buf->address)
74c5b31c Mike Waychison 2011-04-29 206 : "memory", "cc"

:::::: The code at line 198 was first introduced by commit
:::::: 74c5b31c6618f01079212332b2e5f6c42f2d6307 driver: Google EFI SMI

:::::: TO: Mike Waychison <mikew@xxxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxx>

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