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x-microsoft-antispam-message-info: lLhqWbMbqepwh7XSyDqV6nbV396Tw3021rbFeIDSbrkAU1lGhI/01T2zIz93lZQNKgD1V9wfda2+VxK5EXW22NSognu9DA/10UFeuvNxsp5+uQyip6DBOB9OPxsmW0Ucb5B6ZF3+yqqjLx0kMNnST51kcOapMbcNVEiI3j1VY20uAxgxK5Xn1RCUf8V8FDYOHtePbinV5Tv1bCSKIzKtgWRdmOTWPPotLwSNNdoTu6dh4DnuI8nxZJ87GI44fa+Ev12p5AwCGfeQJN5Y2aHghLzEFU51w7o10Ok4DYRY1IDX4ctNspRZg3rEX3jAq2NoC3qvb4DC+SZnnG2waR2H4A== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 22f24170-d250-4406-eea3-08d58db47183 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 16:13:13.1887 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1063 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Arnd Bergmann [ Upstream commit 9cc91f212111cdcbefa02dcdb7dd443f224bf52c ] The improved type-checking version of container_of() triggers a warning for xchg_xen_ulong, pointing out that 'xen_ulong_t' is unsigned, but atomic64_t contains a signed value: drivers/xen/events/events_2l.c: In function 'evtchn_2l_handle_events': drivers/xen/events/events_2l.c:187:1020: error: call to '__compiletime_asse= rt_187' declared with attribute error: pointer type mismatch in container_o= f() This adds a cast to work around the warning. Cc: Ian Abbott Fixes: 85323a991d40 ("xen: arm: mandate EABI and use generic atomic operati= ons.") Fixes: daa2ac80834d ("kernel.h: handle pointers to arrays better in contain= er_of()") Signed-off-by: Arnd Bergmann Signed-off-by: Stefano Stabellini Reviewed-by: Stefano Stabellini Acked-by: Ian Abbott Signed-off-by: Sasha Levin --- arch/arm/include/asm/xen/events.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/e= vents.h index 8b1f37bfeeec..b7aadab9b0e8 100644 --- a/arch/arm/include/asm/xen/events.h +++ b/arch/arm/include/asm/xen/events.h @@ -16,7 +16,7 @@ static inline int xen_irqs_disabled(struct pt_regs *regs) return raw_irqs_disabled_flags(regs->ARM_cpsr); } =20 -#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((ptr), \ +#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(p= tr),\ atomic64_t, \ counter), (val)) =20 --=20 2.14.1