| Message ID | f3c701cce00a38620788c0fc43ff0b611a268c54.1647962456.git.christophe.leroy@csgroup.eu (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | Kill the time spent in patch_instruction() | expand |
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index 00c68e7fb11e..f970f189875b 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -97,7 +97,7 @@ static int map_patch_area(void *addr, unsigned long text_poke_addr) { unsigned long pfn; - if (is_vmalloc_or_module_addr(addr)) + if (IS_ENABLED(CONFIG_MODULES) && is_vmalloc_or_module_addr(addr)) pfn = vmalloc_to_pfn(addr); else pfn = __pa_symbol(addr) >> PAGE_SHIFT;
If CONFIG_MODULES is not set, there is no point in checking whether text is in module area. This reduced the time needed to activate/deactivate ftrace by more than 10% on an 8xx. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/lib/code-patching.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)