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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-09 19:29:13 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-09 19:29:13 +0300 |
| commit | bd9c3506032983d7bc3245015951db0aad9e6e3d (patch) | |
| tree | 042acc990cc83b7aeebfda0bde11401fe41257d8 /lib/dump_stack.c | |
| parent | f55966571d5eb2876a11e48e798b4592fa1ffbb7 (diff) | |
| parent | feac00aad12373b994ff4d340ff818792e833a0a (diff) | |
| download | linux-bd9c3506032983d7bc3245015951db0aad9e6e3d.tar.xz | |
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 'lib/dump_stack.c')
| -rw-r--r-- | lib/dump_stack.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/dump_stack.c b/lib/dump_stack.c index 27f16872320d..cd3387bb34e5 100644 --- a/lib/dump_stack.c +++ b/lib/dump_stack.c @@ -5,6 +5,7 @@ */ #include <linux/kernel.h> +#include <linux/buildid.h> #include <linux/export.h> #include <linux/sched.h> #include <linux/sched/debug.h> @@ -36,6 +37,14 @@ void __init dump_stack_set_arch_desc(const char *fmt, ...) va_end(args); } +#if IS_ENABLED(CONFIG_STACKTRACE_BUILD_ID) +#define BUILD_ID_FMT " %20phN" +#define BUILD_ID_VAL vmlinux_build_id +#else +#define BUILD_ID_FMT "%s" +#define BUILD_ID_VAL "" +#endif + /** * dump_stack_print_info - print generic debug info for dump_stack() * @log_lvl: log level @@ -45,13 +54,13 @@ void __init dump_stack_set_arch_desc(const char *fmt, ...) */ void dump_stack_print_info(const char *log_lvl) { - printk("%sCPU: %d PID: %d Comm: %.20s %s%s %s %.*s\n", + printk("%sCPU: %d PID: %d Comm: %.20s %s%s %s %.*s" BUILD_ID_FMT "\n", log_lvl, raw_smp_processor_id(), current->pid, current->comm, kexec_crash_loaded() ? "Kdump: loaded " : "", print_tainted(), init_utsname()->release, (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); + init_utsname()->version, BUILD_ID_VAL); if (dump_stack_arch_desc_str[0] != '\0') printk("%sHardware name: %s\n", |