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Ip=[148.163.138.245]; Helo=[mx0b-00498f04.pphosted.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF00012E5F.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR16MB3917 X-Proofpoint-GUID: A4eN3JYCLTA9G1OZZfGnY9Plmb6mmcHH X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAyMDA1OSBTYWx0ZWRfXyje4gicaCq2y jNvBinZ0K2uytLpAaBfRA07ZhMkZMim2/hsHbQf35IDjQu0yK2i+YfkJ+mQli47PaYAwO/Dck4M icJX56doVrS5pptTAlpUmMB+03w07SyL0o9gLzt86I0UjnLY30VMKMC8nXQh9LoIMe0ILotsGkg A4LCFwUhJEy/w+xwndHiIIxi5c9OHotjjnBuewUf7OYUiCxaXbS35qGnnoHacUnL8nUnLvlZGMR Ti443Tn7oIPOv0QvD1jJw8AVn2nHME/nySnGMvcffQ3wVQTK5sX8jh2smm4rbVn+R0Sh+G2xksz pQmNUwbf6KBLuCD8z/k/rqtADax4Y13LVQc91eY2VSqHgpGjRKy+DtK+Yzj3qQF59hotGQ0gOGa jGbJwRWjOhlRwv6NdQOGuOjD3QkVQm+MgTnSiwxzILHFVI1WB7MHq3LP3vA14hrFl9zNvp0ViPx la9G0z+AN/B7DLw7X1A== X-Authority-Analysis: v=2.4 cv=K7MS2SWI c=1 sm=1 tr=0 ts=6a1e794b cx=c_pps a=kGaFF29v6S4cQQ60M6zgkw==:117 a=b7IhknPlfT0FN1EembXvig==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=kj9zAlcOel0A:10 a=FelO9ux0wxsA:10 a=3PXLN80vpJUA:10 a=6NUGLSImWEsA:10 a=w9pew1qAHqMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=P_n1zlmtWsCQbjROFjcg:22 a=WER9OelvoqQQjwJToBYG:22 a=cbNQJ9GKAAAA:8 a=cm27Pg_UAAAA:8 a=lzUjVqHphMvoRWYANscA:9 a=CjuIK1q_8ugA:10 a=3whSkbs7g9Me0DR5EJEX:22 X-Proofpoint-ORIG-GUID: A4eN3JYCLTA9G1OZZfGnY9Plmb6mmcHH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_07,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 adultscore=0 impostorscore=0 spamscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606020059 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Mon, Jun 01, 2026 at 08:54:48AM -0600, Simon Glass wrote: > Hi Denis, > > On 2026-05-29T03:48:33, None wrote: > > reset: x86: Use cpu_hlt() in pch_sysreset_power_off() > > > > Use cpu_hlt() instead of open-coded 'hlt' in pch_sysreset_power_off(). > > > > Also, replace the open-coded busy loop in efi_reset_system() and use > > cpu_hlt(). > > > > Signed-off-by: Denis Mukhin > > > > drivers/sysreset/sysreset_x86.c | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > Reviewed-by: Simon Glass > > > diff --git a/drivers/sysreset/sysreset_x86.c b/drivers/sysreset/sysreset_x86.c > > @@ -120,7 +120,8 @@ void __efi_runtime EFIAPI efi_reset_system( > > > > /* TODO EFI_RESET_SHUTDOWN */ > > > > - while (1) { } > > + for (;;) > > + cpu_hlt(); > > } > > Just to check - this is an __efi_runtime function, so the body must > not call outside the runtime section after SetVirtualAddressMap(). > cpu_hlt() is static inline __always_inline in asm/processor.h so it > expands to a bare hlt here, which is fine. Worth mentioning in the > commit message so the runtime-safety is explicit. I think I will move that efi_reset_system() fixup to a separate patch with a proper description. > > Regards, > Simon