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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-21 10:13:36 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-21 19:29:27 +0000 |
| commit | a9ad21fed09cb95d34af9474be0831525b30c4c6 (patch) | |
| tree | 1e92e37f401c08b6950d4df29e7c68ec0866d20e | |
| parent | 53399053eb505cf541b2405bd9d9bca5ecfb96fb (diff) | |
| download | linux-a9ad21fed09cb95d34af9474be0831525b30c4c6.tar.gz linux-a9ad21fed09cb95d34af9474be0831525b30c4c6.tar.bz2 linux-a9ad21fed09cb95d34af9474be0831525b30c4c6.zip | |
ARM: Keep exit text/data around for SMP_ON_UP
When SMP_ON_UP is used and the spinlocks are inlined, we end up with
inline spinlocks in the exit code, with references from the SMP
alternatives section to the exit sections. This causes link time
errors. Avoid this by placing the exit sections in the init-discarded
region.
Cc: <stable@kernel.org>
Tested-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 558bd81a4fce..61462790757f 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -21,6 +21,12 @@ #define ARM_CPU_KEEP(x) #endif +#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK) +#define ARM_EXIT_KEEP(x) x +#else +#define ARM_EXIT_KEEP(x) +#endif + OUTPUT_ARCH(arm) ENTRY(stext) @@ -43,6 +49,7 @@ SECTIONS _sinittext = .; HEAD_TEXT INIT_TEXT + ARM_EXIT_KEEP(EXIT_TEXT) _einittext = .; ARM_CPU_DISCARD(PROC_INFO) __arch_info_begin = .; @@ -67,6 +74,7 @@ SECTIONS #ifndef CONFIG_XIP_KERNEL __init_begin = _stext; INIT_DATA + ARM_EXIT_KEEP(EXIT_DATA) #endif } @@ -162,6 +170,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); __init_begin = .; INIT_DATA + ARM_EXIT_KEEP(EXIT_DATA) . = ALIGN(PAGE_SIZE); __init_end = .; #endif |