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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2021-06-18 08:46:32 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-10-26 15:21:28 +0200 |
| commit | 5caca32fba20050caa938dd444eb19cdd320217c (patch) | |
| tree | 6338ce2ee9357fcb0609473a41934e6e6df53081 /arch/s390 | |
| parent | s390/pgtable: use physical address for Page-Table Origin (diff) | |
| download | linux-5caca32fba20050caa938dd444eb19cdd320217c.tar.xz linux-5caca32fba20050caa938dd444eb19cdd320217c.zip | |
s390/cpcmd: use physical address for command and response
Virtual Console Function DIAGNOSE 8 accepts physical
addresses of command and response strings.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/cpcmd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c index 54efc279f54e..72e106cfd8c7 100644 --- a/arch/s390/kernel/cpcmd.c +++ b/arch/s390/kernel/cpcmd.c @@ -29,7 +29,7 @@ static int diag8_noresponse(int cmdlen) asm volatile( " diag %[rx],%[ry],0x8\n" : [ry] "+&d" (cmdlen) - : [rx] "d" ((addr_t) cpcmd_buf) + : [rx] "d" (__pa(cpcmd_buf)) : "cc"); return cmdlen; } @@ -39,8 +39,8 @@ static int diag8_response(int cmdlen, char *response, int *rlen) union register_pair rx, ry; int cc; - rx.even = (addr_t) cpcmd_buf; - rx.odd = (addr_t) response; + rx.even = __pa(cpcmd_buf); + rx.odd = __pa(response); ry.even = cmdlen | 0x40000000L; ry.odd = *rlen; asm volatile( |