From: Mark Rutland <mark.rutland@arm.com>
To: Laura Abbott <labbott@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv2 5/6] arm64: Use __pa_symbol for _end
Date: Wed, 2 Nov 2016 22:52:42 +0000 [thread overview]
Message-ID: <20161102225241.GA19591@remoulade> (raw)
In-Reply-To: <20161102210054.16621-6-labbott@redhat.com>
On Wed, Nov 02, 2016 at 03:00:53PM -0600, Laura Abbott wrote:
>
> __pa_symbol is technically the marco that should be used for kernel
> symbols. Switch to this as a pre-requisite for DEBUG_VIRTUAL.
Nit: s/marco/macro/
I see there are some other uses of __pa() that look like they could/should be
__pa_symbol(), e.g. in mark_rodata_ro().
I guess strictly speaking those need to be updated to? Or is there a reason
that we should not?
Thanks,
Mark.
> Signed-off-by: Laura Abbott <labbott@redhat.com>
> ---
> arch/arm64/mm/init.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
> index 212c4d1..3236eb0 100644
> --- a/arch/arm64/mm/init.c
> +++ b/arch/arm64/mm/init.c
> @@ -209,8 +209,8 @@ void __init arm64_memblock_init(void)
> * linear mapping. Take care not to clip the kernel which may be
> * high in memory.
> */
> - memblock_remove(max_t(u64, memstart_addr + linear_region_size, __pa(_end)),
> - ULLONG_MAX);
> + memblock_remove(max_t(u64, memstart_addr + linear_region_size,
> + __pa_symbol(_end)), ULLONG_MAX);
> if (memstart_addr + linear_region_size < memblock_end_of_DRAM()) {
> /* ensure that memstart_addr remains sufficiently aligned */
> memstart_addr = round_up(memblock_end_of_DRAM() - linear_region_size,
> --
> 2.10.1
>
next prev parent reply other threads:[~2016-11-02 22:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-02 21:00 [PATCHv2 0/6] CONFIG_DEBUG_VIRTUAL for arm64 Laura Abbott
2016-11-02 21:00 ` [PATCHv2 1/6] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL Laura Abbott
2016-11-02 21:00 ` [PATCHv2 2/6] mm/cma: Cleanup highmem check Laura Abbott
2016-11-02 21:00 ` [PATCHv2 3/6] arm64: Move some macros under #ifndef __ASSEMBLY__ Laura Abbott
2016-11-02 21:00 ` [PATCHv2 4/6] arm64: Add cast for virt_to_pfn Laura Abbott
2016-11-02 21:00 ` [PATCHv2 5/6] arm64: Use __pa_symbol for _end Laura Abbott
2016-11-02 22:52 ` Mark Rutland [this message]
2016-11-02 23:56 ` Laura Abbott
2016-11-03 15:51 ` Mark Rutland
2016-11-14 18:19 ` Catalin Marinas
2016-11-14 18:41 ` Laura Abbott
2016-11-15 18:35 ` Catalin Marinas
2016-11-16 0:09 ` Laura Abbott
2016-11-16 17:32 ` Catalin Marinas
2016-11-18 10:23 ` Ard Biesheuvel
2016-11-02 21:00 ` [PATCHv2 6/6] arm64: Add support for CONFIG_DEBUG_VIRTUAL Laura Abbott
2016-11-02 23:06 ` Mark Rutland
2016-11-03 0:05 ` Laura Abbott
2016-11-03 15:57 ` Mark Rutland
2016-11-02 23:07 ` [PATCHv2 0/6] CONFIG_DEBUG_VIRTUAL for arm64 Mark Rutland
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