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be0639063a
Merged upstream: bcm27xx/patches-5.4/950-1014-Revert-mailbox-avoid-timer-start-from-callback.patch generic/backport-5.4/080-wireguard-0021-crypto-blake2s-generic-C-library-implementation-and-.patch Manually adapted: layerscape/patches-5.4/801-audio-0005-Revert-ASoC-fsl_sai-Add-support-for-SAI-new-version.patch oxnas/patches-5.4/100-oxnas-clk-plla-pllb.patch Compile-tested: lantiq/xrx200 Run-tested: lantiq/xrx200 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Subject: kernel: when KALLSYMS is disabled, print module address + size for matching backtrace entries
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[john@phrozen.org: felix will add this to his upstream queue]
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lede-commit 53827cdc824556cda910b23ce5030c363b8f1461
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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lib/vsprintf.c | 15 +++++++++++----
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1 file changed, 11 insertions(+), 4 deletions(-)
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--- a/lib/vsprintf.c
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+++ b/lib/vsprintf.c
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@@ -942,8 +942,10 @@ char *symbol_string(char *buf, char *end
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struct printf_spec spec, const char *fmt)
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{
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unsigned long value;
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-#ifdef CONFIG_KALLSYMS
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char sym[KSYM_SYMBOL_LEN];
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+#ifndef CONFIG_KALLSYMS
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+ struct module *mod;
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+ int len;
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#endif
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if (fmt[1] == 'R')
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@@ -960,8 +962,14 @@ char *symbol_string(char *buf, char *end
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return string_nocheck(buf, end, sym, spec);
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#else
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- return special_hex_number(buf, end, value, sizeof(void *));
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+ len = snprintf(sym, sizeof(sym), "0x%lx", value);
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+ mod = __module_address(value);
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+ if (mod)
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+ snprintf(sym + len, sizeof(sym) - len, " [%s@%p+0x%x]",
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+ mod->name, mod->core_layout.base,
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+ mod->core_layout.size);
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#endif
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+ return string(buf, end, sym, spec);
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}
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static const struct printf_spec default_str_spec = {
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