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hw/nvme updates

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Two fixes for dynamic array allocation.
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Merge tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu into staging

hw/nvme updates

Two fixes for dynamic array allocation.

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# gpg: Signature made Tue 12 Sep 2023 10:20:48 EDT
# gpg:                using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg:                 aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
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# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468  4272 63D5 6FC5 E55D A838
#      Subkey fingerprint: 5228 33AA 75E2 DCE6 A247  66C0 4DE1 AF31 6D4F 0DE9

* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
  hw/nvme: Avoid dynamic stack allocation
  hw/nvme: Use #define to avoid variable length array

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-09-13 13:41:09 -04:00
parent 9a8af69967 b3c8246750
commit 6c71b8a585
1 changed files with 2 additions and 2 deletions
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4
hw/nvme/ctrl.c
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@ -894,7 +894,7 @@ static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1,
len -= trans_len;
if (len) {
if (len > n->page_size) {
uint64_t prp_list[n->max_prp_ents];
g_autofree uint64_t *prp_list = g_new(uint64_t, n->max_prp_ents);
uint32_t nents, prp_trans;
int i = 0;
@ -1045,7 +1045,7 @@ static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl,
* descriptors and segment chain) than the command transfer size, so it is
* not bounded by MDTS.
*/
const int SEG_CHUNK_SIZE = 256;
#define SEG_CHUNK_SIZE 256
NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld;
uint64_t nsgld;