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author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-02-08 16:10:29 +0100 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-02-11 13:35:10 +0100 |
commit | 72b7a9e56b25babfe4c90bf3ce88285c7fb62ab9 (patch) | |
tree | 76714e5cc9b811390df7a6934120307f56aa0e96 /arch/powerpc | |
parent | powerpc/syscall: Make interrupt.c buildable on PPC32 (diff) | |
download | linux-72b7a9e56b25babfe4c90bf3ce88285c7fb62ab9.tar.xz linux-72b7a9e56b25babfe4c90bf3ce88285c7fb62ab9.zip |
powerpc/syscall: Use is_compat_task()
Instead of hard comparing task flags with _TIF_32BIT, use
is_compat_task(). The advantage is that it returns 0 on PPC32
allthough _TIF_32BIT is always set.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c8094662199337a7200fea9f6e1d1f8b1b6d5f69.1612796617.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/kernel/interrupt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index 2dac4d2bb1cf..46fd195ca659 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -2,6 +2,8 @@ #include <linux/context_tracking.h> #include <linux/err.h> +#include <linux/compat.h> + #include <asm/asm-prototypes.h> #include <asm/kup.h> #include <asm/cputime.h> @@ -118,7 +120,7 @@ notrace long system_call_exception(long r3, long r4, long r5, /* May be faster to do array_index_nospec? */ barrier_nospec(); - if (unlikely(is_32bit_task())) { + if (unlikely(is_compat_task())) { f = (void *)compat_sys_call_table[r0]; r3 &= 0x00000000ffffffffULL; |