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| author | Jann Horn <jannh@google.com> | 2024-02-21 21:26:53 +0100 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2024-07-20 16:33:21 +0900 |
| commit | 64e166099b69bfc09f667253358a15160b86ea43 (patch) | |
| tree | 4a65a7cf59716b4f3f0d29ef49251c2fa9becc9f /init | |
| parent | 7efcb39e0da99de8295e81a2f98b7fdeebcdaa73 (diff) | |
| download | lwn-64e166099b69bfc09f667253358a15160b86ea43.tar.gz lwn-64e166099b69bfc09f667253358a15160b86ea43.zip | |
kallsyms: get rid of code for absolute kallsyms
Commit cf8e8658100d ("arch: Remove Itanium (IA-64) architecture")
removed the last use of the absolute kallsyms.
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/all/20240221202655.2423854-1-jannh@google.com/
[masahiroy@kernel.org: rebase the code and reword the commit description]
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/init/Kconfig b/init/Kconfig index febdea2afc3b..8e21ce38dee6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1789,24 +1789,6 @@ config KALLSYMS_ABSOLUTE_PERCPU depends on KALLSYMS default X86_64 && SMP -config KALLSYMS_BASE_RELATIVE - bool - depends on KALLSYMS - default y - help - Instead of emitting them as absolute values in the native word size, - emit the symbol references in the kallsyms table as 32-bit entries, - each containing a relative value in the range [base, base + U32_MAX] - or, when KALLSYMS_ABSOLUTE_PERCPU is in effect, each containing either - an absolute value in the range [0, S32_MAX] or a relative value in the - range [base, base + S32_MAX], where base is the lowest relative symbol - address encountered in the image. - - On 64-bit builds, this reduces the size of the address table by 50%, - but more importantly, it results in entries whose values are build - time constants, and no relocation pass is required at runtime to fix - up the entries based on the runtime load address of the kernel. - # end of the "standard kernel features (expert users)" menu config ARCH_HAS_MEMBARRIER_CALLBACKS |