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| author | Benjamin Gray <bgray@linux.ibm.com> | 2023-10-11 07:37:00 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-10-19 08:12:47 +0200 |
| commit | ff7a60ab1e065257a0e467c13b519f4debcd7fcf (patch) | |
| tree | 3b0e177b7bffc5baa56bb216ee71caf3ba8b868f /arch/powerpc/sysdev | |
| parent | powerpc: Support execute-only on all powerpc (diff) | |
| download | linux-ff7a60ab1e065257a0e467c13b519f4debcd7fcf.tar.xz linux-ff7a60ab1e065257a0e467c13b519f4debcd7fcf.zip | |
powerpc/xive: Fix endian conversion size
Sparse reports a size mismatch in the endian swap. The Opal
implementation[1] passes the value as a __be64, and the receiving
variable out_qsize is a u64, so the use of be32_to_cpu() appears to be
an error.
[1]: https://github.com/open-power/skiboot/blob/80e2b1dc73/hw/xive.c#L3854
Fixes: 88ec6b93c8e7 ("powerpc/xive: add OPAL extensions for the XIVE native exploitation support")
Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231011053711.93427-2-bgray@linux.ibm.com
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/xive/native.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 9f0af4d795d8..f1c0fa6ece21 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -802,7 +802,7 @@ int xive_native_get_queue_info(u32 vp_id, u32 prio, if (out_qpage) *out_qpage = be64_to_cpu(qpage); if (out_qsize) - *out_qsize = be32_to_cpu(qsize); + *out_qsize = be64_to_cpu(qsize); if (out_qeoi_page) *out_qeoi_page = be64_to_cpu(qeoi_page); if (out_escalate_irq) |