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Subjectarch/x86/pci/mmconfig-shared.c:528:43: sparse: incorrect type in argument 1 (incompatible argument 3 (different signedness))
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2868b2513aa732a99ea4a0a6bf10dc93c1f3dac2
commit: 81b3e090fa1f237d49c8feb2fa4afe2aabd3a4ff x86/boot/e820: Use bool in query APIs
date: 3 months ago
reproduce:
# apt-get install sparse
git checkout 81b3e090fa1f237d49c8feb2fa4afe2aabd3a4ff
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> arch/x86/pci/mmconfig-shared.c:528:43: sparse: incorrect type in argument 1 (incompatible argument 3 (different signedness))
arch/x86/pci/mmconfig-shared.c:528:43: expected bool ( *[usertype] is_reserved )( ... )
arch/x86/pci/mmconfig-shared.c:528:43: got bool ( extern [toplevel] *<noident> )( ... )

vim +528 arch/x86/pci/mmconfig-shared.c

a02ce953 arch/x86/pci/mmconfig-shared.c Feng Tang 2010-05-05 512 "ACPI motherboard resources\n",
a02ce953 arch/x86/pci/mmconfig-shared.c Feng Tang 2010-05-05 513 &cfg->res);
a02ce953 arch/x86/pci/mmconfig-shared.c Feng Tang 2010-05-05 514 }
a83fe32f arch/x86/pci/mmconfig-shared.c Yinghai Lu 2008-07-18 515
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 516 /*
3bce64f0 arch/x86/pci/mmconfig-shared.c Ingo Molnar 2017-01-28 517 * e820__mapped_all() is marked as __init.
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 518 * All entries from ACPI MCFG table have been checked at boot time.
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 519 * For MCFG information constructed from hotpluggable host bridge's
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 520 * _CBA method, just assume it's reserved.
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 521 */
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 522 if (pci_mmcfg_running_state)
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 523 return 1;
95c5e92f arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 524
7752d5cf arch/x86/pci/mmconfig-shared.c Robert Hancock 2008-02-15 525 /* Don't try to do this check unless configuration
bb63b421 arch/x86/pci/mmconfig-shared.c Yinghai Lu 2008-02-28 526 type 1 is available. how about type 2 ?*/
a83fe32f arch/x86/pci/mmconfig-shared.c Yinghai Lu 2008-07-18 527 if (raw_pci_ops)
3bce64f0 arch/x86/pci/mmconfig-shared.c Ingo Molnar 2017-01-28 @528 return is_mmconf_reserved(e820__mapped_all, cfg, dev, 1);
05c58b8a arch/x86/pci/mmconfig-shared.c Yinghai Lu 2008-02-15 529
2a76c450 arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 530 return 0;
7752d5cf arch/x86/pci/mmconfig-shared.c Robert Hancock 2008-02-15 531 }
7752d5cf arch/x86/pci/mmconfig-shared.c Robert Hancock 2008-02-15 532
2a76c450 arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 533 static void __init pci_mmcfg_reject_broken(int early)
2a76c450 arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 534 {
2a76c450 arch/x86/pci/mmconfig-shared.c Jiang Liu 2012-06-22 535 struct pci_mmcfg_region *cfg;
26054ed0 arch/i386/pci/mmconfig-shared.c OGAWA Hirofumi 2007-02-13 536

:::::: The code at line 528 was first introduced by commit
:::::: 3bce64f019a801f526cc38523c77ffda4e846155 x86/boot/e820: Rename e820_any_mapped()/e820_all_mapped() to e820__mapped_any()/e820__mapped_all()

:::::: TO: Ingo Molnar <mingo@kernel.org>
:::::: CC: Ingo Molnar <mingo@kernel.org>

---
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