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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-07 18:53:20 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-07 18:53:20 -0400 |
| commit | 0cbe33190ba3c82a1ac21d1deae631be3b17d659 (patch) | |
| tree | f49fe74c315272e69d5135ab303fe2162ac7c03c /kernel/gsp_phys_booter.c | |
| parent | 8dec3a6f1d054165199b8b3edca3f60761def46d (diff) | |
| download | open-iov-0cbe33190ba3c82a1ac21d1deae631be3b17d659.tar.gz open-iov-0cbe33190ba3c82a1ac21d1deae631be3b17d659.zip | |
vgsp: m130 - mirror write readback diagnostic (does the guest-page pointer patch land?)
Diffstat (limited to 'kernel/gsp_phys_booter.c')
| -rw-r--r-- | kernel/gsp_phys_booter.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/gsp_phys_booter.c b/kernel/gsp_phys_booter.c index 94d143e..ad8d68b 100644 --- a/kernel/gsp_phys_booter.c +++ b/kernel/gsp_phys_booter.c @@ -16357,6 +16357,13 @@ static void gsp_phys_gr_rewrite_data_vars(u32 *w, u32 n_words, if (mirror) { mirror[k] = (u32)v; mirror[k + 1] = (u32)(v >> 32); + /* m130: prove the guest-page write landed. */ + if (rew < 16) + pr_info("vgsp-gr: bank %u mirror @0x%x wrote 0x%llx readback 0x%llx\n", + bank, k * 4, v, + get_unaligned_le64( + (const u8 *)mirror + + k * 4)); } rew++; break; |