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0aca8a5575
kvmppc_pmd_alloc() and kvmppc_pte_alloc() allocate some memory but then pud_populate() and pmd_populate() will use __pa() to reference the newly allocated memory. Since kmemleak is unable to track the physical memory resulting in false positives, silence those by using kmemleak_ignore(). unreferenced object 0xc000201c382a1000 (size 4096): comm "qemu-kvm", pid 124828, jiffies 4295733767 (age 341.250s) hex dump (first 32 bytes): c0 00 20 09 f4 60 03 87 c0 00 20 10 72 a0 03 87 .. ..`.... .r... c0 00 20 0e 13 a0 03 87 c0 00 20 1b dc c0 03 87 .. ....... ..... backtrace: [<000000004cc2790f>] kvmppc_create_pte+0x838/0xd20 [kvm_hv] kvmppc_pmd_alloc at arch/powerpc/kvm/book3s_64_mmu_radix.c:366 (inlined by) kvmppc_create_pte at arch/powerpc/kvm/book3s_64_mmu_radix.c:590 [<00000000d123c49a>] kvmppc_book3s_instantiate_page+0x2e0/0x8c0 [kvm_hv] [<00000000bb549087>] kvmppc_book3s_radix_page_fault+0x1b4/0x2b0 [kvm_hv] [<0000000086dddc0e>] kvmppc_book3s_hv_page_fault+0x214/0x12a0 [kvm_hv] [<000000005ae9ccc2>] kvmppc_vcpu_run_hv+0xc5c/0x15f0 [kvm_hv] [<00000000d22162ff>] kvmppc_vcpu_run+0x34/0x48 [kvm] [<00000000d6953bc4>] kvm_arch_vcpu_ioctl_run+0x314/0x420 [kvm] [<000000002543dd54>] kvm_vcpu_ioctl+0x33c/0x950 [kvm] [<0000000048155cd6>] ksys_ioctl+0xd8/0x130 [<0000000041ffeaa7>] sys_ioctl+0x28/0x40 [<000000004afc4310>] system_call_exception+0x114/0x1e0 [<00000000fb70a873>] system_call_common+0xf0/0x278 unreferenced object 0xc0002001f0c03900 (size 256): comm "qemu-kvm", pid 124830, jiffies 4295735235 (age 326.570s) hex dump (first 32 bytes): c0 00 20 10 fa a0 03 87 c0 00 20 10 fa a1 03 87 .. ....... ..... c0 00 20 10 fa a2 03 87 c0 00 20 10 fa a3 03 87 .. ....... ..... backtrace: [<0000000023f675b8>] kvmppc_create_pte+0x854/0xd20 [kvm_hv] kvmppc_pte_alloc at arch/powerpc/kvm/book3s_64_mmu_radix.c:356 (inlined by) kvmppc_create_pte at arch/powerpc/kvm/book3s_64_mmu_radix.c:593 [<00000000d123c49a>] kvmppc_book3s_instantiate_page+0x2e0/0x8c0 [kvm_hv] [<00000000bb549087>] kvmppc_book3s_radix_page_fault+0x1b4/0x2b0 [kvm_hv] [<0000000086dddc0e>] kvmppc_book3s_hv_page_fault+0x214/0x12a0 [kvm_hv] [<000000005ae9ccc2>] kvmppc_vcpu_run_hv+0xc5c/0x15f0 [kvm_hv] [<00000000d22162ff>] kvmppc_vcpu_run+0x34/0x48 [kvm] [<00000000d6953bc4>] kvm_arch_vcpu_ioctl_run+0x314/0x420 [kvm] [<000000002543dd54>] kvm_vcpu_ioctl+0x33c/0x950 [kvm] [<0000000048155cd6>] ksys_ioctl+0xd8/0x130 [<0000000041ffeaa7>] sys_ioctl+0x28/0x40 [<000000004afc4310>] system_call_exception+0x114/0x1e0 [<00000000fb70a873>] system_call_common+0xf0/0x278 Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.