linux-kernel - [tip: irq/core] irqchip/gic-v3: Register the distributor's 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]

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: Register the distributor's PA instead
 of its VA in fwnode

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

Commit-ID:     eeee0d093afc2e352e15b23bca38f69aad3d689b
Gitweb:        https://git.kernel.org/tip/eeee0d093afc2e352e15b23bca38f69aad3d689b
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 14:24:19 +01:00

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

Do not expose the distributor's 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.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 96d927f..be961c2 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -1845,7 +1845,7 @@ gic_acpi_init(struct acpi_subtable_header *header, const unsigned long end)
 	if (err)
 		goto out_redist_unmap;
 
-	domain_handle = irq_domain_alloc_fwnode(acpi_data.dist_base);
+	domain_handle = irq_domain_alloc_fwnode(&dist->base_address);
 	if (!domain_handle) {
 		err = -ENOMEM;
 		goto out_redist_unmap;