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authorVivian Wang <wangruikang@iscas.ac.cn>2026-01-29 09:56:07 +0800
committerThomas Gleixner <tglx@kernel.org>2026-01-31 01:11:48 +0100
commit52f0d862f595a2fa18ef44532619a080c24fe4cb (patch)
tree6c36c017769dbce54b706d15f42b64c7cb10ef71 /include/linux
parent386ced19e9a348e8131d20f009e692fa8fcc4568 (diff)
PCI/MSI: Check the device specific address mask in msi_verify_entries()
Instead of a 32-bit/64-bit dichotomy, check the MSI address against the device specific address mask. This allows platforms with an MSI doorbell address above the 32-bit limit to work with devices without full 64-bit MSI address support, as long as the doorbell is within the addressable range of the device. [ tglx: Massaged changelog ] Signed-off-by: Vivian Wang <wangruikang@iscas.ac.cn> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Reviewed-by: Thomas Gleixner <tglx@kernel.org> Link: https://patch.msgid.link/20260129-pci-msi-addr-mask-v4-2-70da998f2750@iscas.ac.cn
Diffstat (limited to 'include/linux')
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