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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-26 16:23:30 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-05-03 01:20:26 +1000 |
| commit | 7934cea7f0b93fcfdb3b175df94f539e4af86c9b (patch) | |
| tree | 638172af316c3754c81553312ce69fdc8e079693 /arch/powerpc | |
| parent | powerpc: don't use direct assignation during early boot. (diff) | |
| download | linux-dev-7934cea7f0b93fcfdb3b175df94f539e4af86c9b.tar.xz linux-dev-7934cea7f0b93fcfdb3b175df94f539e4af86c9b.zip | |
powerpc/32: use memset() instead of memset_io() to zero BSS
Since commit 400c47d81ca38 ("powerpc32: memset: only use dcbz once cache is
enabled"), memset() can be used before activation of the cache,
so no need to use memset_io() for zeroing the BSS.
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/early_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/early_32.c b/arch/powerpc/kernel/early_32.c index cf3cdd81dc47..3482118ffe76 100644 --- a/arch/powerpc/kernel/early_32.c +++ b/arch/powerpc/kernel/early_32.c @@ -21,8 +21,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr) { unsigned long offset = reloc_offset(); - /* First zero the BSS -- use memset_io, some platforms don't have caches on yet */ - memset_io((void __iomem *)PTRRELOC(&__bss_start), 0, __bss_stop - __bss_start); + /* First zero the BSS */ + memset(PTRRELOC(&__bss_start), 0, __bss_stop - __bss_start); /* * Identify the CPU type and fix up code sections |