Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 01666c8e authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
Browse files

powerpc: Fix endian issue in setup-common.c 



During on LE boot we see:

    Partition configured for 1073741824 cpus, operating system maximum is 2048.

Clearly missing a byteswap here.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 36aa1b18

arch/powerpc/kernel/setup-common.c

+2 −2
Original line number Diff line number Diff line
@@ -479,7 +479,7 @@ void __init smp_setup_cpu_maps(void) 
	if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&

	    (dn = of_find_node_by_path("/rtas"))) {

		int num_addr_cell, num_size_cell, maxcpus;

		const unsigned int *ireg;

		const __be32 *ireg;



		num_addr_cell = of_n_addr_cells(dn);

		num_size_cell = of_n_size_cells(dn);
@@ -489,7 +489,7 @@ void __init smp_setup_cpu_maps(void) 
		if (!ireg)

			goto out;



		maxcpus = ireg[num_addr_cell + num_size_cell];

		maxcpus = be32_to_cpup(ireg + num_addr_cell + num_size_cell);



		/* Double maxcpus for processors which have SMT capability */

		if (cpu_has_feature(CPU_FTR_SMT))