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Merge remote-tracking branch 'remotes/jasonwang/tags/net-pull-request' into staging

# gpg: Signature made Thu 04 Nov 2021 11:42:00 PM EDT
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasonwang/tags/net-pull-request:
  Fix virtio-net-pci* "vectors" compat
  e1000: fix tx re-entrancy problem

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-11-05 09:59:19 -04:00
commit e4d96a7eb8
2 changed files with 8 additions and 1 deletions
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2
hw/core/machine.c
View File

@ -56,7 +56,7 @@ GlobalProperty hw_compat_5_2[] = {
{ "ICH9-LPC", "smm-compat", "on"},
{ "PIIX4_PM", "smm-compat", "on"},
{ "virtio-blk-device", "report-discard-granularity", "off" },
{ "virtio-net-pci", "vectors", "3"},
{ "virtio-net-pci-base", "vectors", "3"},
};
const size_t hw_compat_5_2_len = G_N_ELEMENTS(hw_compat_5_2);

7
hw/net/e1000.c
View File

@ -107,6 +107,7 @@ struct E1000State_st {
e1000x_txd_props props;
e1000x_txd_props tso_props;
uint16_t tso_frames;
bool busy;
} tx;
struct {
@ -763,6 +764,11 @@ start_xmit(E1000State *s)
return;
}
if (s->tx.busy) {
return;
}
s->tx.busy = true;
while (s->mac_reg[TDH] != s->mac_reg[TDT]) {
base = tx_desc_base(s) +
sizeof(struct e1000_tx_desc) * s->mac_reg[TDH];
@ -789,6 +795,7 @@ start_xmit(E1000State *s)
break;
}
}
s->tx.busy = false;
set_ics(s, 0, cause);
}