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authorLinus Torvalds <torvalds@linux-foundation.org>2024-06-27 11:09:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-06-27 11:09:03 -0700
commit6d6444ba82053c716fb5ac83346202659023044e (patch)
treea732284ff1c598399e371f85a33ec01cf2671ec2 /arch/s390
parentadfbe3640b5299e062af0b64ab8eb48eb7874832 (diff)
parentcea5589e958f8aef301ce9d004bc73fa5bb3b304 (diff)
Merge tag 's390-6.10-7' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Alexander Gordeev: - Add missing virt_to_phys() conversion for directed interrupt bit vectors - Fix broken configuration change notifications for virtio-ccw - Fix sclp_init() cleanup path on failure and as result - fix a list double add warning - Fix unconditional adjusting of GOT entries containing undefined weak symbols that resolve to zero * tag 's390-6.10-7' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/boot: Do not adjust GOT entries for undef weak sym s390/sclp: Fix sclp_init() cleanup on failure s390/virtio_ccw: Fix config change notifications s390/pci: Add missing virt_to_phys() for directed DIBV
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/boot/startup.c11
-rw-r--r--arch/s390/pci/pci_irq.c2
2 files changed, 8 insertions, 5 deletions
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c
index 48ef5fe5c08a..5a36d5538dae 100644
--- a/arch/s390/boot/startup.c
+++ b/arch/s390/boot/startup.c
@@ -170,11 +170,14 @@ static void kaslr_adjust_got(unsigned long offset)
u64 *entry;
/*
- * Even without -fPIE, Clang still uses a global offset table for some
- * reason. Adjust the GOT entries.
+ * Adjust GOT entries, except for ones for undefined weak symbols
+ * that resolved to zero. This also skips the first three reserved
+ * entries on s390x that are zero.
*/
- for (entry = (u64 *)vmlinux.got_start; entry < (u64 *)vmlinux.got_end; entry++)
- *entry += offset - __START_KERNEL;
+ for (entry = (u64 *)vmlinux.got_start; entry < (u64 *)vmlinux.got_end; entry++) {
+ if (*entry)
+ *entry += offset - __START_KERNEL;
+ }
}
/*
diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c
index ff8f24854c64..0ef83b6ac0db 100644
--- a/arch/s390/pci/pci_irq.c
+++ b/arch/s390/pci/pci_irq.c
@@ -410,7 +410,7 @@ static void __init cpu_enable_directed_irq(void *unused)
union zpci_sic_iib iib = {{0}};
union zpci_sic_iib ziib = {{0}};
- iib.cdiib.dibv_addr = (u64) zpci_ibv[smp_processor_id()]->vector;
+ iib.cdiib.dibv_addr = virt_to_phys(zpci_ibv[smp_processor_id()]->vector);
zpci_set_irq_ctrl(SIC_IRQ_MODE_SET_CPU, 0, &iib);
zpci_set_irq_ctrl(SIC_IRQ_MODE_D_SINGLE, PCI_ISC, &ziib);