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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 | ae11886aa97a81e209fb261e5aa4d2d4edfd357a (patch) | |
| tree | b1bed96830413f772befedd422890fd21be9081b /kernel | |
| parent | 090b886004e63f5f95a5bb1caf10d683cd0c3c33 (diff) | |
| download | open-iov-ae11886aa97a81e209fb261e5aa4d2d4edfd357a.tar.gz open-iov-ae11886aa97a81e209fb261e5aa4d2d4edfd357a.zip | |
vgsp: m130 - mirror write readback diagnostic (does the guest-page pointer patch land?)
Diffstat (limited to 'kernel')
| -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; |