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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-07 15:22:19 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-07 15:22:19 -0400 |
| commit | 64020f17858deabfed229249378ba5104eaf0e7a (patch) | |
| tree | 9a76de59c97439a2042293bffc4ff8d45cdf4001 /kernel | |
| parent | 97bdfaede2d7345180eee2f1b74564662b128b97 (diff) | |
| download | open-iov-64020f17858deabfed229249378ba5104eaf0e7a.tar.gz open-iov-64020f17858deabfed229249378ba5104eaf0e7a.zip | |
vgsp: m109 - fix the mail window VA precedence: (BASE + ((WINS-1) << 21))
m108's mret=-34 (ERANGE): the shift bound tighter than expected in the
written expression, making mva = (0x100000000 + 31) << 21, outside the
pool. Parenthesize.
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/gsp_phys_booter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/gsp_phys_booter.c b/kernel/gsp_phys_booter.c index 19e6909..9e45937 100644 --- a/kernel/gsp_phys_booter.c +++ b/kernel/gsp_phys_booter.c @@ -16662,8 +16662,8 @@ int gsp_phys_backend_guest_gr_submit(const struct gsp_phys_gr_submit *req, [GSP_PHYS_RMCALL_GR_DATA_WINS - 1].pages); { u64 mva = GSP_PHYS_RMCALL_VA_GR_DATA_BASE + - ((u64)GSP_PHYS_RMCALL_GR_DATA_WINS - 1) - << 21; + (((u64)GSP_PHYS_RMCALL_GR_DATA_WINS - 1) + << 21); int mret = -EINVAL; if (boot_stage.rmcall_gr_mail.pages) |