diff options
Diffstat (limited to 'system/easy-kernel-power8-64k/ppc64-epapr-gcc8.patch')
| -rw-r--r-- | system/easy-kernel-power8-64k/ppc64-epapr-gcc8.patch | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/system/easy-kernel-power8-64k/ppc64-epapr-gcc8.patch b/system/easy-kernel-power8-64k/ppc64-epapr-gcc8.patch deleted file mode 100644 index 192e83845..000000000 --- a/system/easy-kernel-power8-64k/ppc64-epapr-gcc8.patch +++ /dev/null @@ -1,84 +0,0 @@ -From 186b8f1587c79c2fa04bfa392fdf084443e398c1 Mon Sep 17 00:00:00 2001 -From: Seth Forshee <seth.forshee@canonical.com> -Date: Thu, 28 Sep 2017 09:33:39 -0400 -Subject: powerpc: Always initialize input array when calling epapr_hypercall() - -Several callers to epapr_hypercall() pass an uninitialized stack -allocated array for the input arguments, presumably because they -have no input arguments. However this can produce errors like -this one - - arch/powerpc/include/asm/epapr_hcalls.h:470:42: error: 'in' may be used uninitialized in this function [-Werror=maybe-uninitialized] - unsigned long register r3 asm("r3") = in[0]; - ~~^~~ - -Fix callers to this function to always zero-initialize the input -arguments array to prevent this. - -Signed-off-by: Seth Forshee <seth.forshee@canonical.com> -Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> ---- - arch/powerpc/include/asm/epapr_hcalls.h | 12 ++++++------ - 1 file changed, 6 insertions(+), 6 deletions(-) - -diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h -index 334459ad145b..90863245df53 100644 ---- a/arch/powerpc/include/asm/epapr_hcalls.h -+++ b/arch/powerpc/include/asm/epapr_hcalls.h -@@ -508,7 +508,7 @@ static unsigned long epapr_hypercall(unsigned long *in, - - static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2) - { -- unsigned long in[8]; -+ unsigned long in[8] = {0}; - unsigned long out[8]; - unsigned long r; - -@@ -520,7 +520,7 @@ static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2) - - static inline long epapr_hypercall0(unsigned int nr) - { -- unsigned long in[8]; -+ unsigned long in[8] = {0}; - unsigned long out[8]; - - return epapr_hypercall(in, out, nr); -@@ -528,7 +528,7 @@ static inline long epapr_hypercall0(unsigned int nr) - - static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) - { -- unsigned long in[8]; -+ unsigned long in[8] = {0}; - unsigned long out[8]; - - in[0] = p1; -@@ -538,7 +538,7 @@ static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) - static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, - unsigned long p2) - { -- unsigned long in[8]; -+ unsigned long in[8] = {0}; - unsigned long out[8]; - - in[0] = p1; -@@ -549,7 +549,7 @@ static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, - static inline long epapr_hypercall3(unsigned int nr, unsigned long p1, - unsigned long p2, unsigned long p3) - { -- unsigned long in[8]; -+ unsigned long in[8] = {0}; - unsigned long out[8]; - - in[0] = p1; -@@ -562,7 +562,7 @@ static inline long epapr_hypercall4(unsigned int nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4) - { -- unsigned long in[8]; -+ unsigned long in[8] = {0}; - unsigned long out[8]; - - in[0] = p1; --- -cgit 1.2-0.3.lf.el7 - |