Hi Michael,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478
commit: 3e8635fb2e072672cbc650989ffedf8300ad67fb powerpc/kasan: Force thread size increase with KASAN
date: 1 year, 8 months ago
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20240205/[email protected]/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240205/[email protected]/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All errors (new ones prefixed by >>):
arch/powerpc/kernel/entry_64.S: Assembler messages:
>> arch/powerpc/kernel/entry_64.S:241: Error: operand out of range (0xfe10 is not between 0xffffffffffff8000 and 0x7fff)
--
{standard input}: Assembler messages:
>> {standard input}:7739: Error: operand out of range (0xff90 is not between 0xffffffffffff8000 and 0x7ffc)
{standard input}:9318: Error: operand out of range (0xff90 is not between 0xffffffffffff8000 and 0x7ffc)
--
arch/powerpc/kernel/misc_64.S: Assembler messages:
>> arch/powerpc/kernel/misc_64.S:387: Error: operand out of range (0xff90 is not between 0xffffffffffff8000 and 0x7ffc)
--
arch/powerpc/kvm/book3s_hv_rmhandlers.S: Assembler messages:
>> arch/powerpc/kvm/book3s_hv_rmhandlers.S:2689: Error: operand out of range (0x8310 is not between 0xffffffffffff8001 and 0x8000)
vim +241 arch/powerpc/kernel/entry_64.S
2d27cfd3286966 Benjamin Herrenschmidt 2009-07-23 236
7306e83ccf5ce3 Christophe Leroy 2019-01-17 237 clrrdi r7, r8, THREAD_SHIFT /* base of new stack */
9994a33865f4d5 Paul Mackerras 2005-10-10 238 /* Note: this uses SWITCH_FRAME_SIZE rather than INT_FRAME_SIZE
9994a33865f4d5 Paul Mackerras 2005-10-10 239 because we don't need to leave the 288-byte ABI gap at the
9994a33865f4d5 Paul Mackerras 2005-10-10 240 top of the kernel stack. */
9994a33865f4d5 Paul Mackerras 2005-10-10 @241 addi r7,r7,THREAD_SIZE-SWITCH_FRAME_SIZE
9994a33865f4d5 Paul Mackerras 2005-10-10 242
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 243 /*
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 244 * PMU interrupts in radix may come in here. They will use r1, not
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 245 * PACAKSAVE, so this stack switch will not cause a problem. They
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 246 * will store to the process stack, which may then be migrated to
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 247 * another CPU. However the rq lock release on this CPU paired with
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 248 * the rq lock acquire on the new CPU before the stack becomes
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 249 * active on the new CPU, will order those stores.
e4c0fc5f72bca1 Nicholas Piggin 2017-06-09 250 */
9994a33865f4d5 Paul Mackerras 2005-10-10 251 mr r1,r8 /* start using new stack pointer */
9994a33865f4d5 Paul Mackerras 2005-10-10 252 std r7,PACAKSAVE(r13)
9994a33865f4d5 Paul Mackerras 2005-10-10 253
714332858bfd40 Anton Blanchard 2012-09-03 254 ld r6,_CCR(r1)
714332858bfd40 Anton Blanchard 2012-09-03 255 mtcrf 0xFF,r6
714332858bfd40 Anton Blanchard 2012-09-03 256
9994a33865f4d5 Paul Mackerras 2005-10-10 257 /* r3-r13 are destroyed -- Cort */
5290ae2b8e5fec Jordan Niethe 2019-12-11 258 REST_NVGPRS(r1)
9994a33865f4d5 Paul Mackerras 2005-10-10 259
9994a33865f4d5 Paul Mackerras 2005-10-10 260 /* convert old thread to its task_struct for return value */
9994a33865f4d5 Paul Mackerras 2005-10-10 261 addi r3,r3,-THREAD
9994a33865f4d5 Paul Mackerras 2005-10-10 262 ld r7,_NIP(r1) /* Return to _switch caller in new task */
9994a33865f4d5 Paul Mackerras 2005-10-10 263 mtlr r7
9994a33865f4d5 Paul Mackerras 2005-10-10 264 addi r1,r1,SWITCH_FRAME_SIZE
9994a33865f4d5 Paul Mackerras 2005-10-10 265 blr
9994a33865f4d5 Paul Mackerras 2005-10-10 266
:::::: The code at line 241 was first introduced by commit
:::::: 9994a33865f4d55c44c9731c01e1f891543278de powerpc: Introduce entry_{32,64}.S, misc_{32,64}.S, systbl.S
:::::: TO: Paul Mackerras <[email protected]>
:::::: CC: Paul Mackerras <[email protected]>
--
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