diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2023-07-02 22:20:09 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-07-24 13:12:21 +0300 |
| commit | c83cd4fe31d52bca0587370d9e98f00072aefa27 (patch) | |
| tree | b9acbb4cfa7528cd67f80e608dca88fd1fd2c624 /arch/s390/include | |
| parent | 8cf57d7217c32133d25615324c0ab4aaacf4d9c4 (diff) | |
| download | linux-c83cd4fe31d52bca0587370d9e98f00072aefa27.tar.xz | |
s390/diag: handle diag 204 subcode 4 address correctly
Diagnose 204 subcode 4 requires a real (physical) address, but a
virtual address is passed to the inline assembly.
Convert the address to a physical address for only this specific case.
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/diag.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index fb5a886ff47f..bed804137537 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -109,6 +109,8 @@ enum diag204_sc { DIAG204_SUBC_STIB7 = 7 }; +#define DIAG204_SUBCODE_MASK 0xffff + /* The two available diag 204 data formats */ enum diag204_format { DIAG204_INFO_SIMPLE = 0, |