[Bug 217122] Regression in xhci driver since 6.1 "Transfer event TRB DMA ptr not part of current TD"

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=217122

--- Comment #13 from Jürgen Herrmann (t-5@t-5.eu) ---
Another round of bisecting is done. I'm quite sure this result is useless, I
will post it here nonetheless. Please comment!

$ git bisect good
b006c439d58db625318bf2207feabf847510a8a6 is the first bad commit
commit b006c439d58db625318bf2207feabf847510a8a6
Author: Dominik Brodowski <linux@dominikbrodowski.net>
Date:   Thu Sep 22 15:59:31 2022 +0200

    hwrng: core - start hwrng kthread also for untrusted sources

    Start the hwrng kthread even if the hwrng source has a quality setting
    of zero. Then, every crng reseed interval, one batch of data from this
    zero-quality hwrng source will be mixed into the CRNG pool.

    This patch is based on the assumption that data from a hwrng source
    will not actively harm the CRNG state. Instead, many hwrng sources
    (such as TPM devices), even though they are assigend a quality level of
    zero, actually provide some entropy, which is good enough to mix into
    the CRNG pool every once in a while.

    Cc: Herbert Xu <herbert@gondor.apana.org.au>
    Cc: Jason A. Donenfeld <Jason@zx2c4.com>
    Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

 drivers/char/hw_random/core.c | 36 ++++++++++--------------------------
 1 file changed, 10 insertions(+), 26 deletions(-)

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