git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-23 05:56:14 -04:00
Code Issues Packages Projects Releases Wiki Activity

powerpc/lib: Add helper to check if offset is within conditional branch range

Browse Source 
Add a helper to check if a given offset is within the branch range for a
powerpc conditional branch instruction, and update some sites to use the
new helper.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/442b69a34ced32ca346a0d9a855f3f6cfdbbbd41.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
This commit is contained in:
Naveen N. Rao
2021-10-06 01:55:20 +05:30
committed by Michael Ellerman
parent 23c216b335
commit 4549c3ea31
3 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/powerpc/include/asm/code-patching.h
View File

@@ -23,6 +23,7 @@
#define BRANCH_ABSOLUTE 0x2
bool is_offset_in_branch_range(long offset);
bool is_offset_in_cond_branch_range(long offset);
int create_branch(struct ppc_inst *instr, const u32 *addr,
unsigned long target, int flags);
int create_cond_branch(struct ppc_inst *instr, const u32 *addr,