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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-20 09:43:40 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-20 09:43:40 +0200
commitc4d41d00552754cc8cdd66a52da9b7c203884d49 (patch)
tree60be0f3d543ad6d300a033d91dc313bc595cd737 /arch/arm64/kernel/alternative.c
parenthpilo: Replace one-element array with flexible-array member (diff)
parentLinux 5.8-rc6 (diff)
downloadlinux-c4d41d00552754cc8cdd66a52da9b7c203884d49.tar.xz
linux-c4d41d00552754cc8cdd66a52da9b7c203884d49.zip
Merge v5.8-rc6 into char-misc-next
We need the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/kernel/alternative.c')
-rw-r--r--arch/arm64/kernel/alternative.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c
index d1757ef1b1e7..73039949b5ce 100644
--- a/arch/arm64/kernel/alternative.c
+++ b/arch/arm64/kernel/alternative.c
@@ -43,20 +43,8 @@ bool alternative_is_applied(u16 cpufeature)
*/
static bool branch_insn_requires_update(struct alt_instr *alt, unsigned long pc)
{
- unsigned long replptr;
-
- if (kernel_text_address(pc))
- return true;
-
- replptr = (unsigned long)ALT_REPL_PTR(alt);
- if (pc >= replptr && pc <= (replptr + alt->alt_len))
- return false;
-
- /*
- * Branching into *another* alternate sequence is doomed, and
- * we're not even trying to fix it up.
- */
- BUG();
+ unsigned long replptr = (unsigned long)ALT_REPL_PTR(alt);
+ return !(pc >= replptr && pc <= (replptr + alt->alt_len));
}
#define align_down(x, a) ((unsigned long)(x) & ~(((unsigned long)(a)) - 1))