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[RFC,V1,4/6] powerpc: Add flag in paca for register restore state

Message ID 20250428152225.66044-7-mchauras@linux.ibm.com (mailing list archive)
State RFC
Headers show
Series Generic Entry/Exit support for ppc64 | expand

Commit Message

Mukesh Kumar Chaurasiya April 28, 2025, 3:22 p.m. UTC 
In case of signal being processed we want to restore the GPRS. To save the state
of whether we need to restore the registers or not a flag is introduced so that
we can save the state for that cpu in case we want to save the register state.

Signed-off-by: Mukesh Kumar Chaurasiya <mchauras@linux.ibm.com>
---
 arch/powerpc/include/asm/paca.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 1d58da9467396..215cafd64d8f5 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -174,6 +174,7 @@  struct paca_struct {
 	u8 irq_soft_mask;		/* mask for irq soft masking */
 	u8 irq_happened;		/* irq happened while soft-disabled */
 	u8 irq_work_pending;		/* IRQ_WORK interrupt while soft-disable */
+	u8 generic_fw_flags;		/* Flags for generic framework */
 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 	u8 pmcregs_in_use;		/* pseries puts this in lppaca */
 #endif