linux-kernel - [tip: irq/core] irqchip/gic-v3-its: Register the ITS' PA instead of its VA in fwnode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <156776809830.24167.204482072593720465.tip-bot2@tip-bot2>
Date:   Fri, 06 Sep 2019 11:08:18 -0000
From:   "tip-bot2 for Marc Zyngier" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org
Subject: [tip: irq/core] irqchip/gic-v3-its: Register the ITS' PA instead of
 its VA in fwnode

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     5778cc77111f09fd2033c66cdf1654f542771ed0
Gitweb:        https://git.kernel.org/tip/5778cc77111f09fd2033c66cdf1654f542771ed0
Author:        Marc Zyngier <maz@...nel.org>
AuthorDate:    Wed, 31 Jul 2019 16:13:42 +01:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Wed, 07 Aug 2019 14:24:28 +01:00

irqchip/gic-v3-its: Register the ITS' PA instead of its VA in fwnode

Do not expose the ITS' VA (it appears in debugfs). Instead, record
the PA, which at least can be used to precisely identify the associated
irqchip and domain.

Acked-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-gic-v3-its.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 1b5c367..8eeb0e2 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3921,7 +3921,7 @@ static int __init gic_acpi_parse_madt_its(union acpi_subtable_headers *header,
 	res.end = its_entry->base_address + ACPI_GICV3_ITS_MEM_SIZE - 1;
 	res.flags = IORESOURCE_MEM;
 
-	dom_handle = irq_domain_alloc_fwnode((void *)its_entry->base_address);
+	dom_handle = irq_domain_alloc_fwnode(&res.start);
 	if (!dom_handle) {
 		pr_err("ITS@%pa: Unable to allocate GICv3 ITS domain token\n",
 		       &res.start);