Commit cb3ac452 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/code-patching: Don't call is_vmalloc_or_module_addr() without CONFIG_MODULES 



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: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/f3c701cce00a38620788c0fc43ff0b611a268c54.1647962456.git.christophe.leroy@csgroup.eu
parent 65883b78

arch/powerpc/lib/code-patching.c

+1 −1
Original line number Diff line number Diff line
@@ -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;