Re: [PATCH v2 02/21] powerpc: use memblock functions returning virtual address
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- To: Mike Rapoport <rppt@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx
- Subject: Re: [PATCH v2 02/21] powerpc: use memblock functions returning virtual address
- From: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
- Date: Tue, 29 Jan 2019 20:52:17 +1100
- Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Christoph Hellwig <hch@xxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, Mark Salter <msalter@xxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, Paul Burton <paul.burton@xxxxxxxx>, Petr Mladek <pmladek@xxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Rob Herring <robh+dt@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Stafford Horne <shorne@xxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Vineet Gupta <vgupta@xxxxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, devicetree@xxxxxxxxxxxxxxx, kasan-dev@xxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, openrisc@xxxxxxxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, uclinux-h8-devel@xxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Christophe Leroy <christophe.leroy@xxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxx>
- In-reply-to: <1548057848-15136-3-git-send-email-rppt@linux.ibm.com>
- References: <1548057848-15136-1-git-send-email-rppt@linux.ibm.com> <1548057848-15136-3-git-send-email-rppt@linux.ibm.com>
Mike Rapoport <rppt@xxxxxxxxxxxxx> writes:
> From: Christophe Leroy <christophe.leroy@xxxxxx>
>
> Since only the virtual address of allocated blocks is used,
> lets use functions returning directly virtual address.
>
> Those functions have the advantage of also zeroing the block.
>
> [ MR:
> - updated error message in alloc_stack() to be more verbose
> - convereted several additional call sites ]
>
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> ---
> arch/powerpc/kernel/dt_cpu_ftrs.c | 3 +--
> arch/powerpc/kernel/irq.c | 5 -----
> arch/powerpc/kernel/paca.c | 6 +++++-
> arch/powerpc/kernel/prom.c | 5 ++++-
> arch/powerpc/kernel/setup_32.c | 26 ++++++++++++++++----------
> 5 files changed, 26 insertions(+), 19 deletions(-)
LGTM.
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
cheers
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