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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 11:41:33 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 11:41:33 +0300 |
| commit | 10a558374f3751cf4eb55143008975641dfc2cf4 (patch) | |
| tree | aab0def9d2289f6520ffb62ec4c1d738135447c4 /arch/powerpc/lib/code-patching.c | |
| parent | fafef982c7353e8982b951e40573e990ccf0ed00 (diff) | |
| parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
| download | linux-10a558374f3751cf4eb55143008975641dfc2cf4.tar.xz | |
Merge tag 'v4.15' into next
Sync with mainline to get in trackpoint updates and other changes.
Diffstat (limited to 'arch/powerpc/lib/code-patching.c')
| -rw-r--r-- | arch/powerpc/lib/code-patching.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index c9de03e0c1f1..d469224c4ada 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -21,6 +21,7 @@ #include <asm/tlbflush.h> #include <asm/page.h> #include <asm/code-patching.h> +#include <asm/setup.h> static int __patch_instruction(unsigned int *addr, unsigned int instr) { @@ -146,11 +147,8 @@ int patch_instruction(unsigned int *addr, unsigned int instr) * During early early boot patch_instruction is called * when text_poke_area is not ready, but we still need * to allow patching. We just do the plain old patching - * We use slab_is_available and per cpu read * via this_cpu_read - * of text_poke_area. Per-CPU areas might not be up early - * this can create problems with just using this_cpu_read() */ - if (!slab_is_available() || !this_cpu_read(text_poke_area)) + if (!this_cpu_read(*PTRRELOC(&text_poke_area))) return __patch_instruction(addr, instr); local_irq_save(flags); |