Commit graph

6 commits

Author SHA1 Message Date
Chen Gang 726dcaa158 arm64: kernel: compiling issue, need 'EXPORT_SYMBOL(clear_page)'
Need 'EXPORT_SYMBOL(clear_page)' if building with allmodconfig.

The related errors:
  ERROR: "clear_page" [fs/ocfs2/dlm/ocfs2_dlm.ko] undefined!
  ERROR: "clear_page" [fs/ntfs/ntfs.ko] undefined!
  ERROR: "clear_page" [fs/gfs2/gfs2.ko] undefined!
  ERROR: "clear_page" [fs/fuse/fuse.ko] undefined!
  ERROR: "clear_page" [fs/ext3/ext3.ko] undefined!
  ERROR: "clear_page" [fs/ext2/ext2.ko] undefined!
  ERROR: "clear_page" [fs/exofs/libore.ko] undefined!
  ERROR: "clear_page" [fs/exofs/exofs.ko] undefined!
  ERROR: "clear_page" [drivers/block/brd.ko] undefined!

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-05-24 17:31:03 +01:00
Catalin Marinas 6247958653 arm64: klib: Optimised atomic bitops
This patch implements the AArch64-specific atomic bitops functions using
exclusive memory accesses to avoid locking.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-03-21 17:39:31 +00:00
Catalin Marinas 2b8cac814c arm64: klib: Optimised string functions
This patch introduces AArch64-specific string functions (strchr,
strrchr).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-03-21 17:39:30 +00:00
Catalin Marinas 4a8992271c arm64: klib: Optimised memory functions
This patch introduces AArch64-specific memory functions (memcpy,
memmove, memchr, memset). These functions are not optimised for any CPU
implementation but can be used as a starting point once hardware is
available.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-03-21 17:39:29 +00:00
Catalin Marinas a2c91547b5 arm64: Fix build error with !SMP
The __atomic_hash is only defined when SMP is enabled but the
arm64ksyms.c exports it even for the UP case.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-03-18 10:42:14 +00:00
Marc Zyngier f27bb139c3 arm64: Miscellaneous library functions
This patch adds udelay, memory and bit operations together with the
ksyms exports.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-09-17 13:42:18 +01:00