x86/bugs: Remove dead code which might prevent from building

Clang, in particular, is not happy about dead code:

arch/x86/kernel/cpu/bugs.c:1830:20: error: unused function 'match_option' [-Werror,-Wunused-function]
 1830 | static inline bool match_option(const char *arg, int arglen, const char *opt)
      |                    ^~~~~~~~~~~~
1 error generated.

Remove a leftover from the previous cleanup.

Fixes: 02ac6cc8c5a1 ("x86/bugs: Simplify SSB cmdline parsing")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://patch.msgid.link/20251024125959.1526277-1-andriy.shevchenko%40linux.intel.com

diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index e08de5b0d20ba8fc2f165a4f319004631d48634e..d7fa03bf51b4517c12cc68e7c441f7589a4983d1 100644 (file)
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1827,13 +1827,6 @@ void unpriv_ebpf_notify(int new_state)
 }
 #endif
 
-static inline bool match_option(const char *arg, int arglen, const char *opt)
-{
-       int len = strlen(opt);
-
-       return len == arglen && !strncmp(arg, opt, len);
-}
-
 /* The kernel command line selection for spectre v2 */
 enum spectre_v2_mitigation_cmd {
        SPECTRE_V2_CMD_NONE,