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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-09 09:29:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-09 09:29:13 -0700 |
| commit | bd9c3506032983d7bc3245015951db0aad9e6e3d (patch) | |
| tree | 042acc990cc83b7aeebfda0bde11401fe41257d8 /Documentation | |
| parent | f55966571d5eb2876a11e48e798b4592fa1ffbb7 (diff) | |
| parent | feac00aad12373b994ff4d340ff818792e833a0a (diff) | |
Merge branch 'akpm' (patches from Andrew)
Pull yet more updates from Andrew Morton:
"54 patches.
Subsystems affected by this patch series: lib, mm (slub, secretmem,
cleanups, init, pagemap, and mremap), and debug"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (54 commits)
powerpc/mm: enable HAVE_MOVE_PMD support
powerpc/book3s64/mm: update flush_tlb_range to flush page walk cache
mm/mremap: allow arch runtime override
mm/mremap: hold the rmap lock in write mode when moving page table entries.
mm/mremap: use pmd/pud_poplulate to update page table entries
mm/mremap: don't enable optimized PUD move if page table levels is 2
mm/mremap: convert huge PUD move to separate helper
selftest/mremap_test: avoid crash with static build
selftest/mremap_test: update the test to handle pagesize other than 4K
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
kdump: use vmlinux_build_id to simplify
buildid: fix kernel-doc notation
buildid: mark some arguments const
scripts/decode_stacktrace.sh: indicate 'auto' can be used for base path
scripts/decode_stacktrace.sh: silence stderr messages from addr2line/nm
scripts/decode_stacktrace.sh: support debuginfod
x86/dumpstack: use %pSb/%pBb for backtrace printing
arm64: stacktrace: use %pSb for backtrace printing
module: add printk formats to add module build ID to stacktraces
...
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/core-api/printk-formats.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index 4346ae17a72c..d941717a191b 100644 --- a/Documentation/core-api/printk-formats.rst +++ b/Documentation/core-api/printk-formats.rst @@ -125,6 +125,17 @@ used when printing stack backtraces. The specifier takes into consideration the effect of compiler optimisations which may occur when tail-calls are used and marked with the noreturn GCC attribute. +If the pointer is within a module, the module name and optionally build ID is +printed after the symbol name with an extra ``b`` appended to the end of the +specifier. + +:: + %pS versatile_init+0x0/0x110 [module_name] + %pSb versatile_init+0x0/0x110 [module_name ed5019fdf5e53be37cb1ba7899292d7e143b259e] + %pSRb versatile_init+0x9/0x110 [module_name ed5019fdf5e53be37cb1ba7899292d7e143b259e] + (with __builtin_extract_return_addr() translation) + %pBb prev_fn_of_versatile_init+0x88/0x88 [module_name ed5019fdf5e53be37cb1ba7899292d7e143b259e] + Probed Pointers from BPF / tracing ---------------------------------- |