Commit 7875bc9b authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
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powerpc/ftrace: Don't save again LR in ftrace_regs_caller() on PPC32 



PPC32 mcount() caller already saves LR on stack,
no need to save it again.

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/eadcfc770b4f1e35535ffb85e28e858a2c31dec4.1640017960.git.christophe.leroy@csgroup.eu
parent a4520b25

arch/powerpc/kernel/trace/ftrace_32.S

+0 −3
Original line number Diff line number Diff line
@@ -53,9 +53,6 @@ _GLOBAL(ftrace_stub) 
	blr



_GLOBAL(ftrace_regs_caller)

	/* Save the original return address in A's stack frame */

	stw	r0,LRSAVE(r1)



	/* Create our stack frame + pt_regs */

	stwu	r1,-INT_FRAME_SIZE(r1)