* [PATCH] Use LOAD_PHYSICAL_ADDR in vmlinux.lds.S
@ 2014-01-26 20:13 Zhihui Zhang
2014-01-26 21:12 ` David Rientjes
0 siblings, 1 reply; 2+ messages in thread
From: Zhihui Zhang @ 2014-01-26 20:13 UTC (permalink / raw)
To: tglx, mingo, hpa; +Cc: linux-kernel
This unifies the way to specify start VMA on both 32 and 64-bit platforms.
I would like to remove __PHYSICAL_START as well, but that appears to be harder.
Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>
---
arch/x86/kernel/vmlinux.lds.S | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index da6b35a..e81bf49 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -81,11 +81,10 @@ PHDRS {
SECTIONS
{
-#ifdef CONFIG_X86_32
. = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
+#ifdef CONFIG_X86_32
phys_startup_32 = startup_32 - LOAD_OFFSET;
#else
- . = __START_KERNEL;
phys_startup_64 = startup_64 - LOAD_OFFSET;
#endif
--
1.8.1.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Use LOAD_PHYSICAL_ADDR in vmlinux.lds.S
2014-01-26 20:13 [PATCH] Use LOAD_PHYSICAL_ADDR in vmlinux.lds.S Zhihui Zhang
@ 2014-01-26 21:12 ` David Rientjes
0 siblings, 0 replies; 2+ messages in thread
From: David Rientjes @ 2014-01-26 21:12 UTC (permalink / raw)
To: Zhihui Zhang; +Cc: tglx, mingo, hpa, linux-kernel
On Sun, 26 Jan 2014, Zhihui Zhang wrote:
> diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
> index da6b35a..e81bf49 100644
> --- a/arch/x86/kernel/vmlinux.lds.S
> +++ b/arch/x86/kernel/vmlinux.lds.S
> @@ -81,11 +81,10 @@ PHDRS {
>
> SECTIONS
> {
> -#ifdef CONFIG_X86_32
> . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
> +#ifdef CONFIG_X86_32
> phys_startup_32 = startup_32 - LOAD_OFFSET;
> #else
> - . = __START_KERNEL;
> phys_startup_64 = startup_64 - LOAD_OFFSET;
> #endif
>
Makes sense, but any reason to not make LOAD_PHYSICAL_ADDR to use ALIGN()?
(You'll also want to prefix the patch title in the subject line with
"x86, boot:" and cc x86@kernel.org on patches like this.)
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