Commit fdc6edbb authored Aug 17, 2020 by Christophe Leroy Committed by Michael Ellerman Aug 17, 2020

powerpc/fixmap: Fix the size of the early debug area

Commit ("03fd42d4 powerpc/fixmap: Fix FIX_EARLY_DEBUG_BASE when
page size is 256k") reworked the setup of the early debug area and
mistakenly replaced 128 * 1024 by SZ_128.

Change to SZ_128K to restore the original 128 kbytes size of the area.

Fixes: 03fd42d4 ("powerpc/fixmap: Fix FIX_EARLY_DEBUG_BASE when page size is 256k")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/996184974d674ff984643778cf1cdd7fe58cc065.1597644194.git.christophe.leroy@csgroup.eu

parent 1e4e4bca

arch/powerpc/include/asm/fixmap.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -52,7 +52,7 @@ enum fixed_addresses {
		FIX_HOLE,
		/* reserve the top 128K for early debugging purposes */
		FIX_EARLY_DEBUG_TOP = FIX_HOLE,
		FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+(ALIGN(SZ_128, PAGE_SIZE)/PAGE_SIZE)-1,
		FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+(ALIGN(SZ_128K, PAGE_SIZE)/PAGE_SIZE)-1,
		#ifdef CONFIG_HIGHMEM
		FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
		FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,