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openSUSE:Leap:42.2:Update
kdumpid
kdumpid-fix-kdump_is_xen.patch
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File kdumpid-fix-kdump_is_xen.patch of Package kdumpid
Date: Tue Nov 4 11:20:28 2014 +0100 From: Petr Tesarik <petr@tesarici.cz> Subject: Fix wrong usage of kdump_is_xen() Patch-mainline: v1.1 Git-commit: a557c16904df5ca29eec27494c43470e662fb8e7 Fix a regression from commit e1a8f69a238f1efa2dc1e693513c1366912ffe0e. The whole expression "dd->flags & DIF_XEN" is equivallent to "kdump_is_xen(dd->ctx)". Performing a logical AND operation with the program flags only causes random failures. Signed-off-by: Petr Tesarik <petr@tesarici.cz> --- util.c | 2 +- x86.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/util.c +++ b/util.c @@ -228,7 +228,7 @@ explore_kernel(struct dump_desc *dd, exp if (arch_in_array(dd->arch, x86_biarch)) { /* Xen pv kernels are loaded low */ addr = 0x2000; - if (dd->flags & kdump_is_xen(dd->ctx) && + if (kdump_is_xen(dd->ctx) && looks_like_kcode_x86(dd, addr) > 0 && !fn(dd, addr, addr + MAX_KERNEL_SIZE, x86_biarch)) { dd->start_addr = addr; --- a/x86.c +++ b/x86.c @@ -218,7 +218,7 @@ disas_at(struct dump_desc *dd, struct di return 1; if (is_reg(arg1, "si")) { state.flags |= SI_STORED; - if (dd->flags & kdump_is_xen(dd->ctx) && + if (kdump_is_xen(dd->ctx) && !(state.flags & SI_MODIFIED) && sscanf(arg2, "0x%llx", &a) == 1) dd->xen_start_info = a;
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